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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
 
WashingtonCounty19,61220,67021,70422,565
IowaState2,776,7552,926,3243,046,3553,190,369

Contents: Places

The population development of the places in Washington.

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

Name StatusCountyPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
 
AinsworthCityWashington510523567511
BrightonCityWashington684683658600
CoppockCityWashington / Henry / Jefferson50514736
CrawfordsvilleCityWashington265292264277
KalonaCityWashington1,9962,3012,3732,630
KeotaCityKeokuk / Washington1,0001,0241,011897
RiversideCityWashington8249419921,060
WashingtonCityWashington7,1487,0877,2707,352
WellmanCityWashington1,1461,4141,4111,524
West ChesterCityWashington178162146144

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.