| Buchanan County, Iowa | |
Location in the state of Iowa |
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Iowa's location in the U.S. |
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| Founded | 1837 |
|---|---|
| Seat | Independence |
| Area - Total - Land - Water |
573.35 sq mi (1,485 km²) 571.26 sq mi (1,480 km²) 2.09 sq mi (5 km²), 0.36% |
| Population - (2010) - Density |
20,958 36.7/sq mi (14.2/km²) |
| Time zone | Central: UTC-6/-5 |
| Website | www.co.buchanan.ia.us |
| Footnotes: Population [1] | |
Buchanan County is a county located in the U.S. state of Iowa. It was created in 1837 and was named in honor of Senator James Buchanan, who became the 15th President of the United States. The population was 20,958 in the 2010 census, a decline from 21,093 in 2000.[1][2] Its county seat is Independence.[3]
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According to the 2000 census, the county has a total area of 573.35 square miles (1,485.0 km2), of which 571.26 square miles (1,479.6 km2) (or 99.64%) is land and 2.09 square miles (5.4 km2) (or 0.36%) is water.[4]
Buchanan County was formed on December 21, 1837, from parts of Dubuque County. It was named after US president James Buchanan.
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1850 | 517 |
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| 1860 | 7,906 | 1,429.2% | |
| 1870 | 17,034 | 115.5% | |
| 1880 | 18,546 | 8.9% | |
| 1890 | 18,997 | 2.4% | |
| 1900 | 21,427 | 12.8% | |
| 1910 | 19,748 | −7.8% | |
| 1920 | 19,890 | 0.7% | |
| 1930 | 19,550 | −1.7% | |
| 1940 | 20,991 | 7.4% | |
| 1950 | 21,927 | 4.5% | |
| 1960 | 22,293 | 1.7% | |
| 1970 | 21,746 | −2.5% | |
| 1980 | 22,900 | 5.3% | |
| 1990 | 20,844 | −9.0% | |
| 2000 | 21,093 | 1.2% | |
| 2010 | 20,958 | −0.6% | |
| Iowa Data Center [2] | |||
The 2010 census recorded a population of 20,958 in the county, with a population density of 36.70/sq mi (14.172/km2). There were 8,968 housing units, of which 8,161 were occupied.[1]
As of the census[5] of 2000, there were 21,093 people, 7,933 households, and 5,672 families residing in the county. The population density was 37 people per square mile (14/km²). There were 8,697 housing units at an average density of 15 per square mile (6/km²). The racial makeup of the county was 98.41% White, 0.27% Black or African American, 0.21% Native American, 0.40% Asian, 0.16% from other races, and 0.54% from two or more races. 0.62% of the population were Hispanic or Latino of any race.
There were 7,933 households out of which 34.50% had children under the age of 18 living with them, 60.70% were married couples living together, 7.40% had a female householder with no husband present, and 28.50% were non-families. 24.70% of all households were made up of individuals and 12.50% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.13.
In the county the population was spread out with 28.60% under the age of 18, 8.10% from 18 to 24, 26.30% from 25 to 44, 22.50% from 45 to 64, and 14.50% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 98.70 males. For every 100 females age 18 and over, there were 94.40 males.
The median income for a household in the county was $38,036, and the median income for a family was $45,421. Males had a median income of $30,212 versus $22,356 for females. The per capita income for the county was $18,405. About 6.80% of families and 9.40% of the population were below the poverty line, including 12.90% of those under age 18 and 7.60% of those age 65 or over.
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A number of historic communities in Buchanan County once appeared on state maps, but no longer exist. Hamerville was located east of Brandon at the intersection of Highway 150. Today, the site is the location of three farmhouses. Vista, once located between Brandon and Independence, appeared on maps frequently until the 1950s. This site is not even accessed by paved road. Kier, between Fairbank and Littleton, appeared on many maps in the 19th century and early 20th century. The area is now settled by Amish. Several towns named Middlefield existed southeast of Winthrop, but none are populated today. Newtonville was located a few miles south of Monti. The houses at Castleville were later moved to Aurora. Wise, once located between Independence and Jesup just north of Highway 939, was a train-stop between the 1920s and the 1950s. Little remains at the site. Kiene was founded in 1911 between Quasqueton and Monti, but was empty by 1955. Few or even no houses remain at any of these sites.
Buchanan County is divided into sixteen townships:
| Bremer County | Fayette County | Clayton County | ||
| Black Hawk County | Delaware County | |||
| Buchanan County, Iowa | ||||
| Benton County | Linn County |
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