Demographics & People — Jarrettsville, Maryland
Population Overview
| Population (Census) | 2,629 |
| Estimated 2026 | ~2,400 |
| Median Age | 39.9 |
| Total Households | 959 |
| Family Households | 749 |
| Average Household Size | 2.73 |
| Diversity Index | 0.0709 (relatively homogeneous) |
Race & Ethnicity
| White | 2,488 |
| Black or African American | 48 |
| Asian | 7 |
| Hispanic or Latino | 39 |
Heritage & Ancestry
| Group | Count |
| German | 809 |
| Polish | 528 |
| English | 396 |
| Italian | 386 |
| Irish | 297 |
| Unclassified or not reported | 265 |
| American | 247 |
| Other groups | 181 |
| Scottish | 129 |
| Russian | 98 |
Language
| English Only | 2,472 |
| Spanish | 16 |
| Population 5+ | 2,488 |
Veterans
| Veterans | 201 |
| Population 18+ | 2,148 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Jarrettsville, Maryland.