Demographics & People — Longmont, Colorado

Population Overview

Population (Census)98,958
Estimated 2026~100,400
Median Age40.3
Total Households41,066
Family Households24,821
Average Household Size2.39
Diversity Index0.4113 (moderately diverse)

Race & Ethnicity

White75,867
Black or African American1,003
Asian2,953
Hispanic or Latino23,948

Heritage & Ancestry

GroupCount
Unclassified or not reported26,677
Other groups22,625
Hispanic: Hispanic or Latino22,228
German18,120
Hispanic: Mexican17,989
English13,543
Irish11,586
Italian4,476
American3,234
Polish2,855

Language

English Only76,085
Spanish12,928
Population 5+93,681

Veterans

Veterans5,481
Population 18+78,008

Commuting

Mean Commute Time24.5 minutes
Work from Home22.3%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Longmont, Colorado.