Demographics & People — Jefferson City, Montana
Population Overview
| Population (Census) | 446 |
|---|
| Estimated 2026 | ~800 |
|---|
| Median Age | 55.2 |
|---|
| Total Households | 176 |
|---|
| Family Households | 118 |
|---|
| Average Household Size | 2.53 |
|---|
| Diversity Index | 0.0437 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 437 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 10 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| English | 161 |
| Scottish | 150 |
| Danish | 105 |
| German | 97 |
| Russian | 69 |
| Unclassified or not reported | 48 |
| Other groups | 40 |
| Irish | 33 |
| Norwegian | 29 |
| Czech | 20 |
Language
| English Only | 435 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 435 |
|---|
Veterans
| Veterans | 43 |
|---|
| Population 18+ | 338 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Jefferson City, Montana.
