Demographics & People — Centralia, Iowa
Population Overview
| Population (Census) | 125 |
|---|
| Estimated 2026 | ~100 |
|---|
| Median Age | 37.3 |
|---|
| Total Households | 47 |
|---|
| Family Households | 33 |
|---|
| Average Household Size | 2.66 |
|---|
| Diversity Index | 0.0 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 125 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 67 |
| Irish | 47 |
| Unclassified or not reported | 30 |
| American | 11 |
| English | 4 |
| Czechoslovakian | 3 |
| Italian | 3 |
| Luxembourger | 2 |
| French (except Basque) | 2 |
Language
| English Only | 113 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 113 |
|---|
Veterans
| Veterans | 5 |
|---|
| Population 18+ | 88 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Centralia, Iowa.
