Demographics & People — Chatham, Massachusetts
Population Overview
| Population (Census) | 1,614 |
|---|
| Estimated 2026 | ~1,600 |
|---|
| Median Age | 66.6 |
|---|
| Total Households | 903 |
|---|
| Family Households | 517 |
|---|
| Average Household Size | 1.77 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 1,600 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Irish | 553 |
| English | 462 |
| German | 258 |
| Italian | 174 |
| Polish | 140 |
| Unclassified or not reported | 106 |
| French Canadian | 88 |
| Scottish | 84 |
| Other groups | 83 |
| American | 55 |
Language
| English Only | 1,579 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 1,614 |
|---|
Veterans
| Veterans | 183 |
|---|
| Population 18+ | 1,534 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Chatham, Massachusetts.
