Demographics & People — San Mar, Maryland
Population Overview
| Population (Census) | 433 |
|---|
| Estimated 2026 | ~100 |
|---|
| Median Age | 79.4 |
|---|
| Total Households | 166 |
|---|
| Family Households | 50 |
|---|
| Average Household Size | 1.86 |
|---|
| Diversity Index | 0.1179 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 406 |
|---|
| Black or African American | 23 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 4 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 109 |
| Unclassified or not reported | 104 |
| Irish | 58 |
| Northern European | 25 |
| Other groups | 24 |
| English | 20 |
| Scottish | 18 |
| European | 13 |
| Hispanic: Hispanic or Latino | 9 |
| French (except Basque) | 7 |
Language
| English Only | 433 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 433 |
|---|
Veterans
| Veterans | 21 |
|---|
| Population 18+ | 346 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for San Mar, Maryland.
