Delaware County, Iowa facts for kids

Kids Encyclopedia Facts
Delaware County, Iowa
Map
Map of Iowa highlighting Delaware County
Location in the state of Iowa
Map of the USA highlighting Iowa
Iowa's location in the U.S.
Statistics
Founded 1837
Seat Manchester
Largest City Manchester
Area
 - Total
 - Land
 - Water

579 sq mi (1,500 km²)
578 sq mi (1,497 km²)
1.2 sq mi (3 km²), 0.2%
Population
 - (2010)
 - Density

17,764
31/sq mi (12/km²)
Time zone Central: UTC-6/-5
Website: www.co.delaware.ia.us
Named for: State of Delaware

Delaware County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 17,764. The county seat is Manchester. The county was named in honor of Delaware.

Geography

The Tony Dunlap Farm
A farm near Hopkinton

According to the U.S. Census Bureau, the county has a total area of 579 square miles (1,500 km2), of which 578 square miles (1,500 km2) is land and 1.2 square miles (3.1 km2) (0.2%) is water. It has a rough hilly surface.

Major highways

  • US 20 (IA).svg U.S. Highway 20
  • Iowa 3.svg Iowa Highway 3
  • Iowa 13.svg Iowa Highway 13
  • Iowa 38.svg Iowa Highway 38

Adjacent counties

Demographics

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. 2015 17,403 −2.0%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

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.

2000 census

USA Delaware County, Iowa age pyramid
2000 Census Age Pyramid for Delaware County

As of the census 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.

Communities

Cities

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

Population ranking

The population ranking of the following table is based on the 2010 census of Delaware County.

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Manchester City 5,179
2 Dyersville (mostly in Dubuque County) City 4,058
3 Edgewood (partially in Clayton County) City 864
4 Earlville City 812
5 Hopkinton City 628
6 Delhi City 460
7 Colesburg City 404
8 Ryan City 361
9 Greeley City 256
10 Dundee City 174
11 Delaware City 159
12 Masonville City 127

Delaware County, Iowa Facts for Kids. Kiddle Encyclopedia.