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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
2024-07-01
 
WashingtonCounty19,61220,67021,70422,56522,631
IowaState2,776,7552,926,3243,046,3553,190,5463,241,488

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
2024-07-01
 
AinsworthCityWashington510523567509511
BrightonCityWashington684683658601592
CoppockCityWashington / Henry / Jefferson5051473635
CrawfordsvilleCityWashington265292264278278
KalonaCityWashington1,9962,3012,3732,6392,762
KeotaCityKeokuk / Washington1,0001,0241,011898888
RiversideCityWashington8249419921,0551,063
WashingtonCityWashington7,1487,0877,2707,3637,281
WellmanCityWashington1,1461,4141,4111,5251,531
West ChesterCityWashington178162146145147

Source: U.S. Census Bureau.

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


Further information about the population structure:

Gender (C 2020)
Males11,117
Females11,448
Age Groups (C 2020)
0-17 years5,492
18-64 years12,404
65+ years4,669
Age Distribution (C 2020)
80+ years1,304
70-79 years1,924
60-69 years3,003
50-59 years2,903
40-49 years2,459
30-39 years2,611
20-29 years2,314
10-19 years3,000
0-9 years3,047
Urbanization (C 2020)
Rural15,719
Urban6,846
»Race« (C 2020)
White20,374
Black/African American188
Indigenous70
Asian116
Pacific Islander3
Some other756
2 or more1,058
Ethnicity (C 2020)
Hispanic or Latino1,612
Other20,953