Demographics & People — Terril, Iowa
Population Overview
| Population (Census) | 357 |
| Estimated 2026 | ~200 |
| Median Age | 45.0 |
| Total Households | 202 |
| Family Households | 79 |
| Average Household Size | 1.77 |
| Diversity Index | 0.0223 (relatively homogeneous) |
Race & Ethnicity
| White | 350 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 4 |
Heritage & Ancestry
| Group | Count |
| German | 115 |
| Unclassified or not reported | 94 |
| Other groups | 45 |
| Irish | 39 |
| Norwegian | 37 |
| Italian | 15 |
| English | 15 |
| Dutch | 15 |
| Polish | 11 |
| Danish | 10 |
Language
| English Only | 313 |
| Spanish | 0 |
| Population 5+ | 318 |
Veterans
| Veterans | 28 |
| Population 18+ | 242 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Terril, Iowa.