Clayton County, Iowa

Clayton County, Iowa
Location in the state of Iowa
Iowa's location in the U.S.
Founded	1837
Seat	Elkader
Area  - Total  - Land  - Water	792.81 sq mi (2,053 km²) 778.81 sq mi (2,017 km²) 14.00 sq mi (36 km²), 1.77%
Population  - (2010)  - Density	18,129 23.3/sq mi (9/km²)
Time zone	Central: UTC-6/-5
Website	www.claytoncountyia.gov
Footnotes: Population [1]

Clayton County is a county located in the U.S. state of Iowa. It was established 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. The population was 18,129 in the 2010 census, a decline from 18,678 in 2000.^[1][2] Its county seat is Elkader.^[3]

Geography

According to the 2000 census, the county has a total area of 792.81 square miles (2,053.4 km²), of which 778.81 square miles (2,017.1 km²) (or 98.23%) is land and 14.00 square miles (36.3 km²) (or 1.77%) is water.^[4]

Adjacent counties

• Allamakee County (north)
• Crawford County, Wisconsin (northeast), across the Mississippi River
• Grant County, Wisconsin (east), across the Mississippi River
• Dubuque County (southeast)
• Delaware County (south)
• Buchanan County (southwest)
• Fayette County (west)
• Winneshiek County (northwest)

See also: List of counties bordering eight counties

Route W68 shield.

Major highways

U.S. Highway 18 U.S. Highway 52 Iowa Highway 3 Iowa Highway 13

Iowa Highway 56 Iowa Highway 76 Iowa Highway 128

National protected areas

• Driftless Area National Wildlife Refuge (part)
• Effigy Mounds National Monument (part)
• Upper Mississippi River National Wildlife and Fish Refuge (part)

Geology

Clayton County is part of the Driftless Area, a region that completely missed being ice-covered during the last ice age. Streams have deeply carved valleys, while the Mississippi River has spectacular bluffs.

Demographics

Historical populations
Census	Pop.		%±
1850	3,873		—
1860	20,728		435.2%
1870	27,771		34.0%
1880	28,829		3.8%
1890	26,733		−7.3%
1900	27,750		3.8%
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%
2010	18,129		−2.9%
Iowa Data Center [2]

2010 census

The 2010 census recorded a population of 18,129 in the county, with a population density of 23.272/sq mi (8.985/km²). There were 8,999 housing units, of which 7,599 were occupied.^[1]

2000 census

2000 Census Age Pyramid for Clayton County.

As of the census^[5] of 2000, there were 18,678 people, 7,375 households, and 5,132 families residing in the county. The population density was 24 people per square mile (9/km²). There were 8,619 housing units at an average density of 11 per square mile (4/km²). 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.

Communities

Cities

Clayton Edgewood Elkader Farmersburg Garber

Garnavillo Guttenberg Luana Marquette McGregor

Millville Monona North Buena Vista Osterdock

Postville St. Olaf Strawberry Point Volga

Unincorporated communities

Beulah Ceres Clayton Center Communia Eckards Elkport

Fairview Froelich Giard Gunder Hardin Highland

Littleport McGregor Heights Mederville Motor Osborne Saint Sebald

Thomasville Turkey River Updegraff Watson Wood

Townships

Clayton County is divided into these townships:

Boardman Buena Vista Cass Clayton Cox Creek Elk

Farmersburg Garnavillo Giard Grand Meadow Highland Jefferson

Lodomillo Mallory Marion Mendon Millville

Monona Read Sperry Volga Wagner

See also

• National Register of Historic Places listings in Clayton County, Iowa
• The Clayton County Courthouse Article

References

1. ^ ^{a b c} "Population and Housing Occupancy Status: 2010 - State -- County". United States Census Bureau American FactFinder. http://factfinder2.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_PL_GCTPL2.ST05&prodType=table. Retrieved March 12, 2011. 
2. ^ ^{a b} "Data from the 2010 Census". State Data Center of Iowa. http://www.iowadatacenter.org/archive/2011/02/feb10. Retrieved March 12, 2011. 
3. ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx. Retrieved 2011-06-07. 
4. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. http://www.census.gov/tiger/tms/gazetteer/county2k.txt. Retrieved 2011-02-13. 
5. ^ "American FactFinder". United States Census Bureau. http://factfinder.census.gov. Retrieved 2008-01-31. 

External links

Iowa portal

• Clayton County official website
• Clayton County Development Corporation's website
• Clayton County Health and Demographic Data

Coordinates: 42°50′37″N 91°20′36″W / 42.84361°N 91.34333°W / 42.84361; -91.34333