Demographics & People — Lockport, Illinois

Population Overview

Population (Census)26,228
Estimated 2026~26,800
Median Age38.5
Total Households9,670
Family Households6,786
Average Household Size2.7
Diversity Index0.1981 (relatively homogeneous)

Race & Ethnicity

White23,275
Black or African American296
Asian221
Hispanic or Latino2,333

Heritage & Ancestry

GroupCount
Polish5,697
German5,541
Irish5,261
Unclassified or not reported4,351
Italian3,556
Other groups3,493
Hispanic: Hispanic or Latino2,601
Hispanic: Mexican2,089
English1,826
Swedish762

Language

English Only21,750
Spanish788
Population 5+24,762

Veterans

Veterans811
Population 18+19,415

Commuting

Mean Commute Time35.3 minutes
Work from Home13.8%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Lockport, Illinois.