List of counties in Iowa

From Wikipedia, the free encyclopedia

Map of counties numbered as numbered in the National Atlas of the United States
Map of counties numbered as numbered in the National Atlas of the United States

This is a list of the ninety-nine counties in the U.S. state of Iowa. The first two counties, Des Moines County and Dubuque County, were created in 1834 when Iowa was part of the Michigan Territory. Counties continued to be created by the state government until 1857, when the last county, Humboldt County, was created. One of the most significant days in Iowa county history was January 15, 1851, on which 49 counties were created.[1]

The Iowa Constitution of 1857, which, with amendments, is still in effect today, states that counties must have an area of at least 432 square miles. However, multiple exceptions to this rule were granted. Worth, Dickinson, Emmet, Osceola, and Winnebago County have an area significantly less than the required amount. Note that in the table below, only land area is listed, and the Constitution deals with total area (including water area).[2]

The Federal Information Processing Standard (FIPS) code, which is used by the United States government to uniquely identify counties, is provided with each entry. The FIPS code for each county links to census data for that county.

Contents

[edit] List of counties in Iowa

County
 FIPS Code
[3]		 County seat
[4]		 #
 Established
[4][5]		 Formed from
[6]		 Etymology
[5]		 Population
[4]		 Area
[4]		 Map
Adair County 001 Greenfield 69 01851-01-15 15 January 1851 Cass County John Adair (1757–1840), sixth governor of Kentucky &0000000000008243.0000008,243 569 mi²
(916 km²)		 State map highlighting Adair County
Adams County 003 Corning 81 01851-01-15 15 January 1851 Taylor County John Adams, second president of the United States (1797–1801) &0000000000004482.0000004,482 424 mi²
(682 km²)		 State map highlighting Adams County
Allamakee County 005 Waukon 11 01847-02-20 20 February 1847 Clayton County Allen Magee (or Allan Makee), an early Indian trader &0000000000014675.00000014,675 640 mi²
(1,030 km²)		 State map highlighting Allamakee County
Appanoose County 007 Centerville 96 01843-02-17 17 February 1843 Davis County Appanoose, Native American who headed peace party in the Black Hawk War &0000000000013721.00000013,721 496 mi²
(798 km²)		 State map highlighting Appanoose County
Audubon County 009 Audubon 57 01851-01-15 15 January 1851 Black Hawk County and Cass County John James Audubon (1785–1851), ornithologist and artist &0000000000006830.0000006,830 443 mi²
(713 km²)		 State map highlighting Audubon County
Benton County 011 Vinton 51 01837-12-21 21 December 1837 Native American lands and Wisconsin Territory Thomas Hart Benton, United States Senator (1821–1851) &0000000000025308.00000025,308 716 mi²
(1,152 km²)		 State map highlighting Benton County
Black Hawk County 013 Waterloo 39 01843-02-17 17 February 1843 Delaware County Black Hawk (1767–1838), chief of Fox and Sac Indians and leader in the Black Hawk War &0000000000128012.000000128,012 567 mi²
(912 km²)		 State map highlighting Black Hawk County
Boone County 015 Boone 47 01846-01-13 13 January 1846 Polk County Nathan Boone (1781–1863), one of the first to survey Iowa &0000000000026224.00000026,224 572 mi²
(921 km²)		 State map highlighting Boone County
Bremer County 017 Waverly 30 01851-01-15 15 January 1851 Native American lands and Winnebago County Fredrika Bremer (1801–1865), Swedish poet and author &0000000000023325.00000023,325 428 mi²
(689 km²)		 State map highlighting Bremer County
Buchanan County 019 Independence 40 01837-12-21 21 December 1837 Delaware County and Wisconsin Territory James Buchanan, fifteenth president (1857–1861) &0000000000021093.00000021,093 571 mi²
(919 km²)		 State map highlighting Buchanan County
Buena Vista County 021 Storm Lake 24 01851-01-15 15 January 1851 Clay County and Sac County Battle of Buena Vista, a battle during the Mexican-American War &0000000000020411.00000020,411 575 mi²
(925 km²)		 State map highlighting Buena Vista County
Butler County 023 Allison 29 01851-01-15 15 January 1851 Black Hawk County and Buchanan County William Orlando Butler (1791–1880), unsuccessful Democratic candidate for Vice President &0000000000015305.00000015,305 580 mi²
(933 km²)		 State map highlighting Butler County
Calhoun County 025 Rockwell City 34 01851-01-15 15 January 1851 Fox County (renamed) John Caldwell Calhoun, Vice President (1825–1832) &0000000000011115.00000011,115 570 mi²
(917 km²)		 State map highlighting Calhoun County
Carroll County 027 Carroll 45 01851-01-15 15 January 1851 Guthrie County Charles Carroll (1737–1832), longest lived signer of the Declaration of Independence &0000000000021421.00000021,421 569 mi²
(916 km²)		 State map highlighting Carroll County
Cass County 029 Atlantic 68 01851-01-15 15 January 1851 Pottawattamie County Lewis Cass, United States Senator from Michigan and unsuccessful candidate for president (1848) &0000000000014684.00000014,684 564 mi²
(908 km²)		 State map highlighting Cass County
Cedar County 031 Tipton 65 01837-12-21 21 December 1837 Wisconsin Territory Red Cedar River, river which runs through county &0000000000018187.00000018,187 580 mi²
(933 km²)		 State map highlighting Cedar County
Cerro Gordo County 033 Mason City 17 01851-01-15 15 January 1851 Floyd County Battle of Cerro Gordo, battle during the Mexican-American War &0000000000046447.00000046,447 568 mi²
(914 km²)		 State map highlighting Cerro Gordo County
Cherokee County 035 Cherokee 23 01851-01-15 15 January 1851 Crawford County Cherokee Native American tribe &0000000000013035.00000013,035 577 mi²
(929 km²)		 State map highlighting Cherokee County
Chickasaw County 037 New Hampton 19 01851-01-15 15 January 1851 Fayette County Chickasaw Native American tribe &0000000000013095.00000013,095 505 mi²
(813 km²)		 State map highlighting Chickasaw County
Clarke County 039 Osceola 83 01846-01-13 13 January 1846 Lucas County James Clarke, third Governor of Iowa Territory (1845–1846) &0000000000009133.0000009,133 431 mi²
(694 km²)		 State map highlighting Clarke County
Clay County 041 Spencer 14 01851-01-15 15 January 1851 Native American lands Henry Clay, Jr. (1807–1847), officer in the Mexican-American War &0000000000017372.00000017,372 569 mi²
(916 km²)		 State map highlighting Clay County
Clayton County 043 Elkader 21 01837-12-21 21 December 1837 Dubuque County and Wisconsin Territory John M. Clayton (1796–1856), United States Senator from Delaware &0000000000018678.00000018,678 779 mi²
(1,254 km²)		 State map highlighting Clayton County
Clinton County 045 Clinton 66 01837-12-21 21 December 1837 Dubuque County and Wisconsin Territory DeWitt Clinton (1769–1828), Governor of New York &0000000000050149.00000050,149 695 mi²
(1,118 km²)		 State map highlighting Clinton County
Crawford County 047 Denison 44 01851-01-15 15 January 1851 Shelby County William Harris Crawford (1772–1834), United States Senator from Georgia &0000000000016942.00000016,942 714 mi²
(1,149 km²)		 State map highlighting Crawford County
Dallas County 049 Adel 59 01846-01-13 13 January 1846 Polk County George Mifflin Dallas (1792–1864), eleventh Vice President &0000000000040750.00000040,750 586 mi²
(943 km²)		 State map highlighting Dallas County
Davis County 051 Bloomfield 97 01843-02-17 17 February 1843 Van Buren County Garrett Davis (1801–1872), congressman &0000000000008541.0000008,541 503 mi²
(810 km²)		 State map highlighting Davis County
Decatur County 053 Leon 94 01846-01-13 13 January 1846 Appanoose County Stephen Decatur (1779–1820), naval officer in the War of 1812 &0000000000008689.0000008,689 532 mi²
(856 km²)		 State map highlighting Decatur County
Delaware County 055 Manchester 41 01837-12-21 21 December 1837 Dubuque County and Wisconsin Territory Delaware, United States state, or Delaware County, New York &0000000000018404.00000018,404 578 mi²
(930 km²)		 State map highlighting Delaware County
Des Moines County 057 Burlington 89 01834-09-06 6 September 1834 Michigan Territory and Wisconsin Territory Des Moines River, river that runs through the county &0000000000042351.00000042,351 416 mi²
(669 km²)		 State map highlighting Des Moines County
Dickinson County 059 Spirit Lake 3 01851-01-15 15 January 1851 Kossuth County Daniel Stevens Dickinson (1800–1866), United States Senator from New York &0000000000016424.00000016,424 381 mi²
(631 km²)		 State map highlighting Dickinson County
Dubuque County 061 Dubuque 42 01834-09-06 6 September 1834 Michigan Territory and Wisconsin Territory Julien Dubuque (1762–1810), first permanent white settler in Iowa &0000000000089143.00000089,143 608 mi²
(978 km²)		 State map highlighting Dubuque County
Emmet County 063 Estherville 4 01851-01-15 15 January 1851 Dickinson County and Kossuth County Robert Emmet (1778–1803), Irish revolutionary &0000000000011027.00000011,027 396 mi²
(637 km²)		 State map highlighting Emmet County
Fayette County 065 West Union 20 01837-12-21 21 December 1837 Clayton County and Wisconsin Territory Marquis de Lafayette (1757–1834), Frenchman who helped the American Colonies in the Revolutionary War &0000000000022008.00000022,008 731 mi²
(1,176 km²)		 State map highlighting Fayette County
Floyd County 067 Charles City 18 01851-01-15 15 January 1851 Chickasaw County Charles Floyd (1782–1804), member of the Lewis and Clark Expedition who died in Iowa &0000000000016900.00000016,900 501 mi²
(806 km²)		 State map highlighting Floyd County
Franklin County 069 Hampton 28 01851-01-15 15 January 1851 Chickasaw County Benjamin Franklin (1706–1790), statesman &0000000000010704.00000010,704 582 mi²
(937 km²)		 State map highlighting Franklin County
Fremont County 071 Sidney 90 01847-02-24 24 February 1847 Pottawattamie County John Charles Fremont (1813–1890), officer in Mexican-American War &0000000000008010.0000008,010 511 mi²
(822 km²)		 State map highlighting Fremont County
Greene County 073 Jefferson 46 01851-01-15 15 January 1851 Dallas County Nathanael Greene (1742–1786), Revolutionary War hero &0000000000010366.00000010,366 568 mi²
(914 km²)		 State map highlighting Greene County
Grundy County 075 Grundy Center 38 01851-01-15 15 January 1851 Black Hawk County Felix Grundy (1777–1840), United States Senator &0000000000012369.00000012,369 503 mi²
(810 km²)		 State map highlighting Grundy County
Guthrie County 077 Guthrie Center 58 01851-07-08 8 July 1851 Jackson County Edwin B. Guthrie, officer in Mexican-American War &0000000000011353.00000011,353 591 mi²
(951 km²)		 State map highlighting Guthrie County
Hamilton County 079 Webster City 36 01856-12-22 22 December 1856 Webster County William W. Hamilton, president of the Iowa Senate (1856–1857) &0000000000016438.00000016,438 577 mi²
(929 km²)		 State map highlighting Hamilton County
Hancock County 081 Garner 16 01851-01-15 15 January 1851 Wright County John Hancock (1737–1793), President of the First Continental Congress &0000000000012100.00000012,100 571 mi²
(919 km²)		 State map highlighting Hancock County
Hardin County 083 Eldora 37 01851-01-15 15 January 1851 Black Hawk County John J. Hardin (1810–1847), prominent soldier in the Black Hawk War &0000000000018812.00000018,812 569 mi²
(916 km²)		 State map highlighting Hardin County
Harrison County 085 Logan 55 01851-01-15 15 January 1851 Pottawattamie County William Henry Harrison (1773–1841), ninth President of the United States &0000000000015666.00000015,666 697 mi²
(1,122 km²)		 State map highlighting Harrison County
Henry County 087 Mount Pleasant 88 01836-12-07 7 December 1836 Wisconsin Territory Henry Dodge (1782–1867), governor of Wisconsin Territory, or James Dougherty Henry, General in the Black Hawk War &0000000000020336.00000020,336 434 mi²
(698 km²)		 State map highlighting Henry County
Howard County 089 Cresco 9 01851-01-15 15 January 1851 Chickasaw County Tilghman Ashurst Howard (1797–1844), congressman &0000000000009932.0000009,932 473 mi²
(761 km²)		 State map highlighting Howard County
Humboldt County 091 Dakota City 26 01857-02-26 26 February 1857 Webster County Alexander von Humboldt (1769–1859), German scientist &0000000000010381.00000010,381 434 mi²
(698 km²)		 State map highlighting Humboldt County
Ida County 093 Ida Grove 32 01851-01-15 15 January 1851 Cherokee County Mount Ida in Greece or the woman's name Ida &0000000000007837.0000007,837 432 mi²
(695 km²)		 State map highlighting Ida County
Iowa County 095 Marengo 63 01843-02-17 17 February 1843 Washington County Iowa River, river that flows through the county, or Ioway Native American tribe &0000000000015671.00000015,671 586 mi²
(943 km²)		 State map highlighting Iowa County
Jackson County 097 Maquoketa 54 01837-12-21 21 December 1837 Wisconsin Territory Andrew Jackson (1767–1845), seventh President of the United States &0000000000020296.00000020,296 636 mi²
(1,024 km²)		 State map highlighting Jackson County
Jasper County 099 Newton 61 01846-01-13 13 January 1846 Mahaska County William Jasper (1750–1779), sergeant in the Revolutionary War &0000000000037213.00000037,213 730 mi²
(1,175 km²)		 State map highlighting Jasper County
Jefferson County 101 Fairfield 87 01839-01-21 21 January 1839 Native American lands Thomas Jefferson (1743–1826), third President of the United States &0000000000016181.00000016,181 435 mi²
(700 km²)		 State map highlighting Jefferson County
Johnson County 103 Iowa City 64 01837-12-21 21 December 1837 Des Moines County, Iowa and Wisconsin Territory Richard Mentor Johnson (1780–1850), Vice President of the United States &0000000000111006.000000111,006 614 mi²
(988 km²)		 State map highlighting Johnson County
Jones County 105 Anamosa 53 01837-12-21 21 December 1837 Wisconsin Territory George Wallace Jones (1804–1896), United States Senator from Iowa &0000000000020221.00000020,221 575 mi²
(925 km²)		 State map highlighting Jones County
Keokuk County 107 Sigourney 74 01837-12-21 21 December 1837 Washington County Keokuk (1767–1848), chief of the Sac Native American tribe &0000000000011400.00000011,400 579 mi²
(932 km²)		 State map highlighting Keokuk County
Kossuth County 109 Algona 5 01851-01-15 15 January 1851 Webster County Lajos Kossuth (1802–1894), Hungarian patriot &0000000000017163.00000017,163 973 mi²
(1,566 km²)		 State map highlighting Kossuth County
Lee County 111 Fort Madison 99 01836-12-07 7 December 1836 Des Moines County William Elliott Lee, businessman, or Robert E. Lee (1807–1870), Confederate general &0000000000038052.00000038,052 517 mi²
(832 km²)		 State map highlighting Lee County
Linn County 113 Cedar Rapids 52 01837-12-21 21 December 1837 Wisconsin Territory Lewis Fields Linn (1795–1843), doctor and United States Senator from Missouri &0000000000191701.000000191,701 718 mi²
(1,156 km²)		 State map highlighting Linn County
Louisa County 115 Wapello 76 01836-12-07 7 December 1836 Des Moines County Louisa Massey, woman who avenged the death of her brother, or Louisa County, Virginia &0000000000012183.00000012,183 402 mi²
(647 km²)		 State map highlighting Louisa County
Lucas County 117 Chariton 84 01846-01-13 13 January 1846 Monroe County Robert Lucas (1781–1853), first Governor of Iowa Territory &0000000000009422.0000009,422 431 mi²
(694 km²)		 State map highlighting Lucas County
Lyon County 119 Rock Rapids 1 01851-01-15 15 January 1851 Woodbury County, Iowa Nathaniel Lyon (1818–1861), first Union general to be killed in the American Civil War &0000000000011763.00000011,763 588 mi²
(946 km²)		 State map highlighting Lyon County
Madison County 121 Winterset 70 01846-01-13 13 January 1846 Polk County James Madison (1751–1836), fourth President of the United States &0000000000014019.00000014,019 561 mi²
(903 km²)		 State map highlighting Madison County
Mahaska County 123 Oskaloosa 73 01843-02-17 17 February 1843 Fox and Sac Indian lands Mahaska (1784–1834), chief of the Ioway Native American tribe &0000000000022335.00000022,335 571 mi²
(919 km²)		 State map highlighting Mahaska County
Marion County 125 Knoxville 72 01845-06-10 10 June 1845 Washington County Francis Marion (1732–1795), general in the Revolutionary War &0000000000032052.00000032,052 554 mi²
(892 km²)		 State map highlighting Marion County
Marshall County 127 Marshalltown 49 01846-01-13 13 January 1846 Jasper County John Marshall (1755–1835), fourth Chief Justice of the United States Supreme Court &0000000000039311.00000039,311 572 mi²
(921 km²)		 State map highlighting Marshall County
Mills County 129 Glenwood 79 01851-01-15 15 January 1851 Pottawattamie County Frederick Mills, major killed during the Battle of Churubusco in the Mexican-American War &0000000000014547.00000014,547 437 mi²
(703 km²)		 State map highlighting Mills County
Mitchell County 131 Osage 8 01851-01-15 15 January 1851 Chickasaw County John Mitchel (1815–1875), Irish patriot &0000000000010874.00000010,874 469 mi²
(755 km²)		 State map highlighting Mitchell County
Monona County 133 Onawa 43 01851-01-15 15 January 1851 Harrison County Word of Native American origin or Monona, Iowa &0000000000010020.00000010,020 693 mi²
(1,115 km²)		 State map highlighting Monona County
Monroe County 135 Albia 85 01843-02-17 17 February 1843 Wapello County James Monroe (1758–1831), fifth President of the United States &0000000000008016.0000008,016 433 mi²
(697 km²)		 State map highlighting Monroe County
Montgomery County 137 Red Oak 80 01851-01-15 15 January 1851 Polk County Richard Montgomery (1738–1775), general in the Revolutionary War &0000000000011771.00000011,771 424 mi²
(682 km²)		 State map highlighting Montgomery County
Muscatine County 139 Muscatine 77 01836-12-07 7 December 1836 Des Moines County Muscatine Native American tribe or Muscatine Island in the Mississippi River &0000000000041722.00000041,722 439 mi²
(707 km²)		 State map highlighting Muscatine County
O'Brien County 141 Primghar 13 01851-01-15 15 January 1851 Cherokee County William Smith O'Brien (1803–1864), Irish revolutionary &0000000000015102.00000015,102 573 mi²
(922 km²)		 State map highlighting O'Brien County
Osceola County 143 Sibley 2 01851-01-15 15 January 1851 Woodbury County Osceola (1804–1838), Native American leader &0000000000007003.0000007,003 399 mi²
(642 km²)		 State map highlighting Osceola County
Page County 145 Clarinda 91 01847-02-24 24 February 1847 Pottawattamie County John Page, officer killed in Battle of Palo Alto in the Mexican-American War &0000000000016976.00000016,976 535 mi²
(861 km²)		 State map highlighting Page County
Palo Alto County 147 Emmetsburg 15 01851-01-15 15 January 1851 Kossuth County Battle of Palo Alto in the Mexican-American War &0000000000010147.00000010,147 564 mi²
(908 km²)		 State map highlighting Palo Alto County
Plymouth County 149 Le Mars 22 01851-01-15 15 January 1851 Woodbury County Landing place of the Pilgrims who came to America on the Mayflower &0000000000024849.00000024,849 864 mi²
(1,390 km²)		 State map highlighting Plymouth County
Pocahontas County 151 Pocahontas 25 01851-01-15 15 January 1851 Greene County and Humboldt County Pocahantas (1595–1618), famous Native American woman &0000000000008662.0000008,662 578 mi²
(930 km²)		 State map highlighting Pocahontas County
Polk County 153 Des Moines 60 01846-01-13 13 January 1846 Native American lands James K. Polk (1795–1849), eleventh President of the United States &0000000000374601.000000374,601 570 mi²
(917 km²)		 State map highlighting Polk County
Pottawattamie County 155 Council Bluffs 67 01847-02-24 24 February 1847 Native American lands Pottawattamie Native American tribe &0000000000087704.00000087,704 954 mi²
(1,535 km²)		 State map highlighting Pottawattamie County
Poweshiek County 157 Montezuma 62 01843-02-17 17 February 1843 Mesquakie Indian lands Poweshiek, chief of the Fox tribe &0000000000018815.00000018,815 585 mi²
(941 km²)		 State map highlighting Poweshiek County
Ringgold County 159 Mount Ayr 93 01847-02-24 24 February 1847 Taylor County Samuel Ringgold (1796–1846), major killed in the Mexican-American War &0000000000005469.0000005,469 538 mi²
(866 km²)		 State map highlighting Ringgold County
Sac County 161 Sac City 33 01851-01-15 15 January 1851 Greene County Sac Native American tribe &0000000000011529.00000011,529 576 mi²
(927 km²)		 State map highlighting Sac County
Scott County 163 Davenport 78 01837-12-21 21 December 1837 Wisconsin Territory Winfield Scott (1786–1866), U.S. Army General during the War of 1812 &0000000000158668.000000158,668 458 mi²
(737 km²)		 State map highlighting Scott County
Shelby County 165 Harlan 56 01851-01-15 15 January 1851 Cass County Isaac Shelby (1750–1826), general in the Revolutionary War and the War of 1812 &0000000000013173.00000013,173 591 mi²
(951 km²)		 State map highlighting Shelby County
Sioux County 167 Orange City 12 01851-01-15 15 January 1851 Plymouth County Sioux Native American tribe &0000000000031589.00000031,589 768 mi²
(1,236 km²)		 State map highlighting Sioux County
Story County 169 Nevada 48 01846-01-13 13 January 1846 Boone County, Jasper County, and Polk County Joseph Story (1779–1845), United States Supreme Court justice &0000000000079981.00000079,981 573 mi²
(922 km²)		 State map highlighting Story County
Tama County 171 Toledo 50 01843-02-17 17 February 1843 Benton County and Boone County Taimah, Fox chief, or Taomah, wife of Poweshiek, or Potama, Native American chief &0000000000018103.00000018,103 721 mi²
(1,160 km²)		 State map highlighting Tama County
Taylor County 173 Bedford 92 01847-02-24 24 February 1847 Page County Zachary Taylor (1784–1850), twelfth President of the United States &0000000000006958.0000006,958 534 mi²
(859 km²)		 State map highlighting Taylor County
Union County 175 Creston 82 01851-01-15 15 January 1851 Clarke County "The Union", name for the northern states during the American Civil War &0000000000012309.00000012,309 424 mi²
(682 km²)		 State map highlighting Union County
Van Buren County 177 Keosauqua 98 01836-12-07 7 December 1836 Des Moines County Martin Van Buren (1782–1862), eighth President of the United States &0000000000007809.0000007,809 485 mi²
(781 km²)		 State map highlighting Van Buren County
Wapello County 179 Ottumwa 86 01843-02-17 17 February 1843 Native American lands Wapello, chief of the Fox Native American tribe &0000000000036051.00000036,051 432 mi²
(695 km²)		 State map highlighting Wapello County
Warren County 181 Indianola 71 01846-01-13 13 January 1846 Polk County Joseph Warren (1741–1775), General in the Revolutionary War &0000000000040671.00000040,671 572 mi²
(921 km²)		 State map highlighting Warren County
Washington County 183 Washington 75 01839-01-25 25 January 1839 Wisconsin Territory George Washington (1732–1799), first President of the United States &0000000000020670.00000020,670 569 mi²
(916 km²)		 State map highlighting Washington County
Wayne County 185 Corydon 95 01846-01-13 13 January 1846 Appanoose County Anthony Wayne (1745–1796), General in the Revolutionary War &0000000000006730.0000006,730 526 mi²
(847 km²)		 State map highlighting Wayne County
Webster County 187 Fort Dodge 35 01853-01-12 12 January 1853 Risley County and Yell County (defunct counties)[7] Daniel Webster (1782–1852), statesman &0000000000040235.00000040,235 715 mi²
(1,151 km²)		 State map highlighting Webster County
Winnebago County 189 Forest City 6 01851-01-15 15 January 1851 Kossuth County Winnebago Native American tribe &0000000000011723.00000011,723 400 mi²
(644 km²)		 State map highlighting Winnebago County
Winneshiek County 191 Decorah 10 01847-02-20 20 February 1847 Native American lands Winneshiek, chief of the Winnebago Native American tribe &0000000000021310.00000021,310 690 mi²
(1,110 km²)		 State map highlighting Winneshiek County
Woodbury County 193 Sioux City 31 01853-01-12 12 January 1853 Polk County Levi Woodbury (1789–1851), Governor of New Hampshire &0000000000103877.000000103,877 873 mi²
(1,405 km²)		 State map highlighting Woodbury County
Worth County 195 Northwood 7 01851-01-15 15 January 1851 Mitchell County William Jenkins Worth (1794–1849), officer in the Black Hawk War and the Mexican-American War &0000000000007909.0000007,909 400 mi²
(644 km²)		 State map highlighting Worth County
Wright County 197 Clarion 27 01851-01-15 15 January 1851 Webster County Silas Wright (1795–1847), Governor of New York, and Joseph Albert Wright (1810–1867), Governor of Indiana &0000000000014334.00000014,334 581 mi²
(935 km²)		 State map highlighting Wright County

[edit] See also

[edit] References

  1. ^ Iowa: Consolidated Chronology of State and County Boundaries. Retrieved on 2008-05-25.
  2. ^ Iowa Commentary. Retrieved on 2008-05-25.
  3. ^ EPA County FIPS Code Listing. EPA.gov. Retrieved on 2008-02-23.
  4. ^ a b c d National Association of Counties. NACo - Find a county. Retrieved on 2008-04-30.
  5. ^ a b Pratt, LeRoy G. (1977). The Counties and Courthouses of Iowa. Mason City, Iowa: Klipto Printing and Office Supply Company. 
  6. ^ Formation of Counties in Iowa. Retrieved on 2007-08-27.
  7. ^ Pratt, H. M. (1913). History of Fort Dodge and Webster County, Iowa. 

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