Demographics & People — Buncombe, Illinois
Population Overview
| Population (Census) | 341 |
| Estimated 2026 | ~300 |
| Median Age | 25.5 |
| Total Households | 96 |
| Family Households | 69 |
| Average Household Size | 3.55 |
| Diversity Index | 0.1791 (relatively homogeneous) |
Race & Ethnicity
| White | 308 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 34 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 183 |
| Other groups | 118 |
| Hispanic: Hispanic or Latino | 64 |
| Hispanic: Mexican | 60 |
| English | 38 |
| Irish | 34 |
| American | 18 |
| German | 14 |
| Polish | 10 |
| Lithuanian | 6 |
Language
| English Only | 296 |
| Spanish | 0 |
| Population 5+ | 296 |
Veterans
| Veterans | 23 |
| Population 18+ | 265 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Buncombe, Illinois.