Demographics & People — Illinois City, Illinois

Population Overview

Population (Census)	18
Estimated 2026	~1,900
Median Age	25.5
Total Households	9
Family Households	9
Average Household Size	2.0
Diversity Index	0.0 (relatively homogeneous)

Race & Ethnicity

White	18
Black or African American	0
Asian	0
Hispanic or Latino	0

Heritage & Ancestry

Group	Count
Unclassified or not reported	19
Irish	9
Dutch	9
Greek	9

Language

English Only	18
Spanish	0
Population 5+	18

Veterans

Veterans	19
Population 18+	37

Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Illinois City, Illinois.