Delaware County, Iowa

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Delaware County, Iowa
Map of Iowa highlighting Delaware County
Location in the state of Iowa
Map of the United States highlighting Iowa
Iowa's location in the U.S.
Founded 1837
Named for State of Delaware
Seat Manchester
Largest city Manchester
Area
 • Total 579.05 sq mi (1,500 km2)
 • Land 577.85 sq mi (1,497 km2)
 • Water 1.19 sq mi (3 km2), 0.21%
Population
 • (2010) 17,764
 • Density 31/sq mi (12/km²)
Congressional district 1st
Time zone Central: UTC-6/-5
Website www.co.delaware.ia.us

Delaware County is a county located in the U.S. state of Iowa. The population was 17,764 in the 2010 census, a decline from 18,404 in the 2000 census.[1] The county seat is Manchester.[2] The county was named in honor of Delaware.

Geography[edit]

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.[3] It has a rough hilly surface.[4]

Major highways[edit]

Adjacent counties[edit]

Demographics[edit]

Historical population
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%
Est. 2012 17,574 −1.1%
U.S. Decennial Census[5]
2012 Estimate[6]

2010 census[edit]

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[edit]

2000 Census Age Pyramid for Delaware County

As of the census[7] 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[edit]

Townships[edit]

Delaware County is divided into these townships:

See also[edit]

References[edit]

  1. ^ a b "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 9, 2011. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. Retrieved 2011-02-13. 
  4. ^ Wikisource-logo.svg "Delaware, the name of five counties in the United States. V. An E. county of Iowa". The American Cyclopædia. 1879. 
  5. ^ "U.S. Decennial Census". Census.gov. Retrieved August 3, 2013. 
  6. ^ "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2012". Census.gov. Retrieved August 3, 2013. 
  7. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

External links[edit]

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