Washington County, Iowa

Washington County is a one of the county from Iowa's 99 counties, located in Midwestern Region (West North Central) of United States. The population of the county was 20670 as per the 2000 census data. Its population was estimated at 21343 in July 2008, making it the 28th most populous county in Iowa. The county encompasses an area of 570.77 mi˛ (1478.29 sq km ), of which, 568.71 square miles (1472.95 sq km) of it is land and 2.06 square miles (5.34 sq km) of it is water, making it the 54th largest by size in Iowa.

Washington County Iowa
Map of Washington County, Iowa

As of the census of 2000, there were 20670 residents, 8056 households, and 5628 families in the county. The population density was 36.3 people per square mile (14.02/km˛), making it the 31st most densely populated county in Iowa. There were 8543 housing units at an average density of 15 per square mile (5.79/km˛). The average household size was 2.5 persons, and the average family size was 3.04 persons. In the county the population was spread out, with 26.1% under the age of 18, 7% from 18 to 24, 26.8% from 25 to 44, 22.3% from 45 to 64, and 17.9% who were 65 or older. For every 100 males there were 107.5 females. For every 100 males age 18 and over, there were 111 females. As of July 2008, the estimated population of the county is 21343, The racial or ethnic makeup of the county was 98.14% White, 0.53% Black or African American, 0.29% American Indian, 0.31% Asian, 0.03% Native Hawaiian, and 0.7% from two or more races.

Washington County Iowa Population 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Population 2000-2008
Washington County Iowa School Enrollment
School Enrollment 2000
Washington County Iowa GDP
GDP 2000

The median income for a household in the county was $39103, making it the 23rd wealthiest county by median household income among the Iowa. The median income for a family in the county was $45636, it is 37th wealthiest county by median family income in Iowa. The per capita income for the county was $18221, making it the 43rd wealthiest county by per capita income among the Iowa.

In 2000, 4958 pupils and students, of which 2377 are male and 2581 are female, 23.99% of the total population, are in the education system. Of which, total enrollment of student are in, 291 nursery or pri school, 300 kindergarten, 2480 elementary school, 1303 high school and 584 College graduate school.

RankCityCountyTotal Area mi2Land Area mi2Water Area mi2PopulationDensity mi2Per capita IncomeHouse hold Income
1Coppock CityHenry County, Washington County, Jefferson County0.240.230.0157243.71105126750
2Ainsworth CityWashington County0.380.38052413811562741071
3Brighton CityWashington County0.720.720687955.31514030139
4Crawfordsville CityWashington County0.370.3702958031723839063
5Kalona CityWashington County2.052.05022931119.92247433750
6Riverside CityWashington County1.011.010928921.61774441080
7Washington CityWashington County4.854.85070471454.31814536067
8Wellman CityWashington County0.980.98013931419.61743037083
9West Chester CityWashington County0.250.2501596292260937500
YearPopulation
April 2000 census20670
April 2000 Estimate20670
July 2000 Estimate20701
July 2001 Estimate21005
July 2002 Estimate20993
July 2003 Estimate21008
July 2004 Estimate21029
July 2005 Estimate21057
July 2006 Estimate21162
July 2007 Estimate21236
July 2008 Estimate21343
SchoolMaleFemaleTotal
Nursery school130161291
Kindergarten148152300
Elementary school123712432480
High school6606431303
College or graduate school202382584
PlaceMedian household incomeMedian family incomePer capita income
Washington County, Iowa$39103$45636$18221
Iowa, United States$39469$48005$19674
United States$41994$50046$21587