Demographics & People — Petersham, Massachusetts
Population Overview
| Population (Census) | 252 |
|---|
| Estimated 2026 | ~500 |
|---|
| Median Age | 56.8 |
|---|
| Total Households | 113 |
|---|
| Family Households | 66 |
|---|
| Average Household Size | 2.23 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 234 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 6 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Irish | 81 |
| Unclassified or not reported | 76 |
| English | 66 |
| German | 39 |
| Hispanic: Hispanic or Latino | 31 |
| Other groups | 26 |
| French Canadian | 21 |
| Hispanic: Cuban | 18 |
| French (except Basque) | 13 |
| Hispanic: Puerto Rican | 13 |
Language
| English Only | 249 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 249 |
|---|
Veterans
| Veterans | 4 |
|---|
| Population 18+ | 252 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Petersham, Massachusetts.
