Demographics & People — Fairfax, Missouri
Population Overview
| Population (Census) | 685 |
| Estimated 2026 | ~700 |
| Median Age | 47.2 |
| Total Households | 305 |
| Family Households | 197 |
| Average Household Size | 2.25 |
| Diversity Index | 0.0867 (relatively homogeneous) |
Race & Ethnicity
| White | 614 |
| Black or African American | 5 |
| Asian | 0 |
| Hispanic or Latino | 24 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 200 |
| German | 176 |
| Irish | 139 |
| Other groups | 83 |
| English | 49 |
| American | 39 |
| French (except Basque) | 22 |
| Italian | 11 |
| European | 10 |
| Hispanic: Hispanic or Latino | 10 |
Language
| English Only | 619 |
| Spanish | 8 |
| Population 5+ | 636 |
Veterans
| Veterans | 69 |
| Population 18+ | 551 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Fairfax, Missouri.