Demographics & People — Granville, Iowa
Population Overview
| Population (Census) | 255 |
| Estimated 2026 | ~300 |
| Median Age | 58.9 |
| Total Households | 131 |
| Family Households | 84 |
| Average Household Size | 1.92 |
| Diversity Index | 0.0079 (relatively homogeneous) |
Race & Ethnicity
| White | 250 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 1 |
Heritage & Ancestry
| Group | Count |
| German | 152 |
| Other groups | 44 |
| Hispanic: Hispanic or Latino | 38 |
| Unclassified or not reported | 35 |
| Hispanic: Central American | 32 |
| Luxembourger | 31 |
| Hispanic: Guatemalan | 30 |
| Dutch | 23 |
| Irish | 19 |
| Scandinavian | 15 |
Language
| English Only | 239 |
| Spanish | 3 |
| Population 5+ | 246 |
Veterans
| Veterans | 25 |
| Population 18+ | 225 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Granville, Iowa.