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Washington

County in Illinois

Contents: Subdivision

The population development in Washington as well as related information and services (Wikipedia, Google, images).

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

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
WashingtonCounty14,96515,14814,71613,76713,535
AshleyTownship847922816757742
BeaucoupTownship493582592570566
BoloTownship389392424396396
CovingtonTownship437416418380374
Du BoisTownship739780748649643
HoyletonTownship1,2251,2061,1421,0461,025
IrvingtonTownship1,6221,4931,2851,1741,149
JohannisburgTownship572591511509504
Lively GroveTownship714699688572569
NashvilleTownship3,6613,6683,6723,4893,386
OakdaleTownship634637594549548
OkawvilleTownship1,8341,9021,9871,9571,931
Pilot KnobTownship395473555516513
Plum HillTownship539554537494489
RichviewTownship430410343317311
VenedyTownship434425404392389
IllinoisState11,430,60212,419,29312,830,63212,821,81412,710,158

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)
Males6,902
Females6,859
Age Groups (C 2020)
0-17 years2,930
18-64 years7,924
65+ years2,907
Age Distribution (C 2020)
80+ years736
70-79 years1,218
60-69 years2,113
50-59 years1,940
40-49 years1,600
30-39 years1,605
20-29 years1,319
10-19 years1,691
0-9 years1,539
Urbanization (C 2020)
Rural13,667
Urban94
»Race« (C 2020)
White13,028
Black/African American97
Indigenous30
Asian69
Pacific Islander20
Some other70
2 or more447
Ethnicity (C 2020)
Hispanic or Latino224
Other13,537