Delaware County, Iowa

Delaware County, Iowa
Location in the state of Iowa
Iowa's location in the U.S.
Founded	1837
Seat	Manchester
Area  - Total  - Land  - Water	579.05 sq mi (1,500 km²) 577.85 sq mi (1,497 km²) 1.19 sq mi (3 km²), 0.21%
Population  - (2010)  - Density	17,764 31/sq mi (12/km²)
Time zone	Central: UTC-6/-5
Website	www.co.delaware.ia.us
Footnotes: Population [1]

Delaware County is a county located in the U.S. state of Iowa. It was named in honor of Delaware Senator John M. Clayton, who also has another Iowa county, Clayton County, named in his honor. The population was 17,764 in the 2010 census, a decline from 18,404 in the 2000 census.^[1][2] The county seat is Manchester. ^[3]

Geography

A farm near Hopkinton

According to the 2000 census, the county has a total area of 579.05 square miles (1,499.7 km²), of which 577.85 square miles (1,496.6 km²) (or 99.79%) is land and 1.19 square miles (3.1 km²) (or 0.21%) is water.^[4]

Major highways

• U.S. Highway 20
• Iowa Highway 3
• Iowa Highway 13
• Iowa Highway 38

Adjacent counties

• Buchanan County (west)
• Clayton County (north)
• Dubuque County (east)
• Fayette County (northwest)
• Jones County (southeast)
• Linn County (southwest)

Demographics

Historical populations
Census	Pop.		%±
1850	1,759		—
1860	11,024		526.7%
1870	17,432		58.1%
1880	17,950		3.0%
1890	17,349		−3.3%
1900	19,185		10.6%
1910	17,888		−6.8%
1920	18,183		1.6%
1930	18,122		−0.3%
1940	18,487		2.0%
1950	17,734		−4.1%
1960	18,483		4.2%
1970	18,770		1.6%
1980	18,933		0.9%
1990	18,035		−4.7%
2000	18,404		2.0%
2010	17,764		−3.5%
Iowa Data Center [2]

2010 census

The 2010 census recorded a population of 17,764 in the county, with a population density of 30.7415/sq mi (11.8694/km²). There were 8,028 housing units, of which 7,062 were occupied.^[1]

2000 census

2000 Census Age Pyramid for Delaware County

As of the census^[5] of 2000, there were 18,404 people, 6,834 households, and 5,029 families residing in the county. The population density was 32 people per square mile (12/km²). There were 7,682 housing units at an average density of 13 per square mile (5/km²). The racial makeup of the county was 99.28% White, 0.07% Black or African American, 0.10% Native American, 0.14% Asian, 0.01% Pacific Islander, 0.10% from other races, and 0.30% from two or more races. 0.66% of the population were Hispanic or Latino of any race.

There were 6,834 households out of which 36.70% had children under the age of 18 living with them, 64.10% were married couples living together, 6.20% had a female householder with no husband present, and 26.40% were non-families. 23.00% of all households were made up of individuals and 11.20% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.15.

In the county the population was spread out with 29.00% under the age of 18, 7.00% from 18 to 24, 27.60% from 25 to 44, 21.50% from 45 to 64, and 15.00% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 98.40 males. For every 100 females age 18 and over, there were 96.60 males.

The median income for a household in the county was $37,168, and the median income for a family was $43,607. Males had a median income of $30,712 versus $19,685 for females. The per capita income for the county was $17,327. About 6.30% of families and 7.90% of the population were below the poverty line, including 8.50% of those under age 18 and 9.80% of those age 65 or over.

Cities and towns

Colesburg Delaware Delhi

Dundee Dyersville Earlville

Greeley Hopkinton Manchester

Masonville Ryan

Townships

Delaware County is divided into these townships:

Adams Bremen Coffins Grove Colony Delaware Delhi

Elk Hazel Green Honey Creek Milo Prairie

Richland South Fork North Fork Oneida Union

See also

• Delaware County Courthouse
• National Register of Historic Places listings in Delaware County, Iowa

References

1. ^ ^{a b c} "Population & Housing Occupancy Status 2010". 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 May 9, 2011. 
2. ^ ^{a b} "Data from the 2010 Census". State Data Center of Iowa. http://www.iowadatacenter.org/archive/2011/02/feb10. Retrieved May 9, 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

• County website

Coordinates: 42°28′10″N 91°22′13″W / 42.46944°N 91.37028°W / 42.46944; -91.37028