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Clayton County, Iowa
From Wikipedia, the free encyclopedia
| Clayton County, Iowa | |
| Map | |
 Location in the state of Iowa |
|
 Iowa's location in the USA |
|
| Statistics | |
| Founded | 1837 |
|---|---|
| Seat | Elkader |
| Area - Total - Land - Water |
2,053 km² (793 mi²) sq mi ( km²) 36 km² (14 mi²), 1.77% |
| Population - (2000) - Density |
18,678 9/km² |
| Website: www.claytoncountyiowa.net | |
Clayton County is a county located in the U.S. state of Iowa. It was erected in 1837 and was named in honor of John M. Clayton, United States Senator from Delaware and later Secretary of State under President Zachary Taylor. As of 2000, the population was 18,678. Its county seat is Elkader, Iowa.6
Contents |
According to the U.S. Census Bureau, the county has a total area of 2,053 km² (793 mi²). 2,017 km² (779 mi²) of it is land and 36 km² (14 mi²) of it (1.77%) is water.
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- Allamakee County (north)
- Crawford County, Wisconsin (northeast), across the Mississippi River
- Grant County, Wisconsin (east), across the Mississippi River
- Buchanan County (southwest)
- Delaware County (south)
- Dubuque County (southeast)
- Fayette County (west)
- Winneshiek County (northwest)
| Historical populations | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1900 | 27,750 |
|
|
| 1910 | 25,576 | -7.8% | |
| 1920 | 25,032 | -2.1% | |
| 1930 | 24,559 | -1.9% | |
| 1940 | 24,334 | -0.9% | |
| 1950 | 22,522 | -7.4% | |
| 1960 | 21,962 | -2.5% | |
| 1970 | 20,606 | -6.2% | |
| 1980 | 21,098 | 2.4% | |
| 1990 | 19,054 | -9.7% | |
| 2000 | 18,678 | -2.0% | |
| IA Counties 1900-1990 | |||
As of the census2 of 2000, there were 18,678 people, 7,375 households, and 5,132 families residing in the county. The population density was 9/km² (24/mi²). There were 8,619 housing units at an average density of 4/km² (11/mi²). The racial makeup of the county was 98.93% White, 0.14% Black or African American, 0.22% Native American, 0.11% Asian, 0.01% Pacific Islander, 0.19% from other races, and 0.41% from two or more races. 0.76% of the population were Hispanic or Latino of any race.
There were 7,375 households out of which 30.90% had children under the age of 18 living with them, 59.70% were married couples living together, 6.10% had a female householder with no husband present, and 30.40% were non-families. 26.30% of all households were made up of individuals and 13.30% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.98.
In the county the population was spread out with 25.40% under the age of 18, 6.50% from 18 to 24, 26.00% from 25 to 44, 23.60% from 45 to 64, and 18.50% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 97.60 males. For every 100 females age 18 and over, there were 95.50 males.
The median income for a household in the county was $34,068, and the median income for a family was $40,199. Males had a median income of $27,165 versus $19,644 for females. The per capita income for the county was $16,930. About 5.70% of families and 8.60% of the population were below the poverty line, including 9.60% of those under age 18 and 9.40% of those age 65 or over.
