Demographics & People — Plattville, Illinois
Population Overview
| Population (Census) | 200 |
|---|
| Estimated 2026 | ~300 |
|---|
| Median Age | 31.8 |
|---|
| Total Households | 58 |
|---|
| Family Households | 52 |
|---|
| Average Household Size | 3.45 |
|---|
| Diversity Index | 0.161 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 157 |
|---|
| Black or African American | 2 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 13 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 66 |
| German | 39 |
| Norwegian | 26 |
| Italian | 25 |
| English | 24 |
| Irish | 22 |
| Polish | 19 |
| Other groups | 13 |
| Swedish | 9 |
| French (except Basque) | 8 |
Language
| English Only | 175 |
|---|
| Spanish | 6 |
|---|
| Population 5+ | 181 |
|---|
Veterans
| Veterans | 8 |
|---|
| Population 18+ | 140 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Plattville, Illinois.
