Demographics & People — Washington, Illinois

Population Overview

Population (Census)15,946
Estimated 2026~15,900
Median Age38.2
Total Households6,108
Family Households3,904
Average Household Size2.59
Diversity Index0.0864 (relatively homogeneous)

Race & Ethnicity

White15,216
Black or African American67
Asian196
Hispanic or Latino449

Heritage & Ancestry

GroupCount
German5,337
Unclassified or not reported3,684
English2,690
Irish2,325
Other groups1,391
Italian960
French (except Basque)851
American818
Hispanic: Hispanic or Latino600
European487

Language

English Only14,717
Spanish199
Population 5+15,058

Veterans

Veterans865
Population 18+11,114

Commuting

Mean Commute Time19.6 minutes
Work from Home14.5%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Washington, Illinois.