Demographics & People — Marseilles, Illinois

Population Overview

Population (Census)4,071
Estimated 2026~4,800
Median Age41.4
Total Households1,703
Family Households994
Average Household Size2.35
Diversity Index0.1582 (relatively homogeneous)

Race & Ethnicity

White3,741
Black or African American0
Asian121
Hispanic or Latino225

Heritage & Ancestry

GroupCount
Unclassified or not reported858
German851
Irish806
Other groups702
English539
Italian437
French (except Basque)368
Norwegian272
Hispanic: Hispanic or Latino243
Hispanic: Mexican212

Language

English Only3,625
Spanish39
Population 5+3,860

Veterans

Veterans362
Population 18+3,117

Commuting

Mean Commute Time30.7 minutes
Work from Home10.4%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Marseilles, Illinois.