Demographics & People — Greencastle, Missouri
Population Overview
| Population (Census) | 331 |
|---|
| Estimated 2026 | ~300 |
|---|
| Median Age | 52.5 |
|---|
| Total Households | 104 |
|---|
| Family Households | 58 |
|---|
| Average Household Size | 3.18 |
|---|
| Diversity Index | 0.0532 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 320 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 9 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 122 |
| American | 71 |
| Other groups | 53 |
| German | 49 |
| Swiss | 14 |
| Dutch | 14 |
| Irish | 11 |
| Danish | 10 |
| Hispanic: Mexican | 8 |
| Hispanic: Hispanic or Latino | 8 |
Language
| English Only | 321 |
|---|
| Spanish | 1 |
|---|
| Population 5+ | 322 |
|---|
Veterans
| Veterans | 31 |
|---|
| Population 18+ | 274 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Greencastle, Missouri.
