Demographics & People — Bismarck, Illinois
Population Overview
| Population (Census) | 510 |
|---|
| Estimated 2026 | ~500 |
|---|
| Median Age | 41.8 |
|---|
| Total Households | 217 |
|---|
| Family Households | 151 |
|---|
| Average Household Size | 2.35 |
|---|
| Diversity Index | 0.0619 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 488 |
|---|
| Black or African American | 0 |
|---|
| Asian | 6 |
|---|
| Hispanic or Latino | 10 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 280 |
| German | 127 |
| Other groups | 84 |
| English | 37 |
| Irish | 34 |
| American | 31 |
| Hungarian | 15 |
| Italian | 12 |
| Lithuanian | 8 |
| African | 7 |
Language
| English Only | 480 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 480 |
|---|
Veterans
| Veterans | 38 |
|---|
| Population 18+ | 397 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Bismarck, Illinois.
