Demographics & People — Sidney, Montana

Population Overview

Population (Census)6,235
Estimated 2026~6,000
Median Age37.3
Total Households2,602
Family Households1,427
Average Household Size2.38
Diversity Index0.1405 (relatively homogeneous)

Race & Ethnicity

White5,370
Black or African American0
Asian11
Hispanic or Latino430

Heritage & Ancestry

GroupCount
German2,386
Unclassified or not reported1,815
Norwegian1,120
Irish838
Other groups701
Hispanic: Hispanic or Latino441
Italian420
Hispanic: Mexican377
English358
French (except Basque)179

Language

English Only5,749
Spanish145
Population 5+5,993

Veterans

Veterans307
Population 18+4,644

Commuting

Mean Commute Time21.2 minutes
Work from Home1.9%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Sidney, Montana.