| Poweshiek County, Iowa | |
Location in the state of Iowa |
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Iowa's location in the U.S. |
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| Founded | 1843 |
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| Seat | Montezuma |
| Largest city | Grinnell |
| Area - Total - Land - Water |
586.17 sq mi (1,518 km²) 585.03 sq mi (1,515 km²) 1.14 sq mi (3 km²), 0.19% |
| Population - (2010) - Density |
18,914 32/sq mi (12/km²) |
| Time zone | Central: UTC-6/-5 |
| Website | www.poweshiekcounty.org |
| Footnotes: Population [1] | |
Poweshiek County is a county located in southeastern part of the U.S. state of Iowa along Interstate 80, between Des Moines and Iowa City. It is named for the Indian chief of the Fox tribe who signed the treaty ending the Black Hawk War. The population was 18,914 in the 2010 census, an increase from 18,815 in the 2000 census.[1][2] The city of Montezuma is the county seat. [3]
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Poweshiek County was formed in 1843. It was named for the chief of the Fox Indians. The Poweshiek County Courthouse, completed in 1859, is listed on the National Register of Historic Places.[4]
The current County Supervisors are LaMoyne Gaard, Doug Shutts, and Ellie Snook; all are Democrats.
Poweshiek County is also home to Grinnell College, a small liberal arts college founded in 1846.
Poweshiek County is served by Grinnell Regional Medical Center, an acute care hospital licensed for 81 beds. GRMC was established in 1967 after the merger of two hospitals.
According to the 2000 census, the county has a total area of 586.17 square miles (1,518.2 km2), of which 585.03 square miles (1,515.2 km2) (or 99.81%) is land and 1.14 square miles (3.0 km2) (or 0.19%) is water.[5] It is drained by the north fork of Skunk River, which crosses the southwest corner, and by English River and other streams.[6]
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1850 | 615 |
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| 1860 | 5,668 | 821.6% | |
| 1870 | 15,581 | 174.9% | |
| 1880 | 18,936 | 21.5% | |
| 1890 | 18,394 | −2.9% | |
| 1900 | 19,414 | 5.5% | |
| 1910 | 19,589 | 0.9% | |
| 1920 | 19,910 | 1.6% | |
| 1930 | 18,727 | −5.9% | |
| 1940 | 18,758 | 0.2% | |
| 1950 | 19,344 | 3.1% | |
| 1960 | 19,300 | −0.2% | |
| 1970 | 18,803 | −2.6% | |
| 1980 | 19,306 | 2.7% | |
| 1990 | 19,033 | −1.4% | |
| 2000 | 18,815 | −1.1% | |
| 2010 | 18,914 | 0.5% | |
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The 2010 census recorded a population of 18,914 in the county, with a population density of 32.3300/sq mi (12.4827/km2). There were 8,949 housing units, of which 7,555 were occupied.[1]
As of the census[7] of 2000, there were 18,815 people, 7,398 households, and 4,882 families residing in the county. The population density was 32 people per square mile (12/km²). There were 8,556 housing units at an average density of 15 per square mile (6/km²). The racial makeup of the county was 96.74% White, 0.55% Black or African American, 0.23% Native American, 1.07% Asian, 0.05% Pacific Islander, 0.49% from other races, and 0.87% from two or more races. 1.20% of the population were Hispanic or Latino of any race.
There were 7,398 households out of which 29.0% had children under the age of 18 living with them, 55.8% were married couples living together, 7.4% had a female householder with no husband present, and 34.0% were non-families. 29.2% of all households were made up of individuals and 13.9% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.88.
In the county the population was spread out with 22.7% under the age of 18, 12.8% from 18 to 24, 24.4% from 25 to 44, 22.5% from 45 to 64, and 17.6% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 92.5 males. For every 100 females age 18 and over, there were 88.8 males.
The median income for a household in the county was $37,836, and the median income for a family was $46,599. Males had a median income of $32,781 versus $22,465 for females. The per capita income for the county was $18,629. About 6.2% of families and 9.8% of the population were below the poverty line, including 12.0% of those under age 18 and 5.9% of those age 65 or over.
| Tama County | ||||
| Jasper County | Iowa County | |||
| Poweshiek County, Iowa | ||||
| Mahaska County | Keokuk County |
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