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Washington

County in Iowa

County

The population development of Washington.

NameStatusPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
Population
Estimate
2022-07-01
 
WashingtonCounty19,61220,67021,70422,56522,571
IowaState2,776,7552,926,3243,046,3553,190,3693,200,517

Contents: Incorporated Places

The population development of the incorporated places in Washington.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name StatusCountyPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
Population
Estimate
2022-07-01
 
AinsworthCityWashington510523567509513
BrightonCityWashington684683658601594
CoppockCityWashington / Henry / Jefferson5051473939
CrawfordsvilleCityWashington265292264278277
KalonaCityWashington1,9962,3012,3732,6342,709
KeotaCityKeokuk / Washington1,0001,0241,011897889
RiversideCityWashington8249419921,0581,048
WashingtonCityWashington7,1487,0877,2707,3577,277
WellmanCityWashington1,1461,4141,4111,5271,523
West ChesterCityWashington178162146146146

Source: U.S. Census Bureau (web).

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.