Demographics & People — Castalia, Iowa
Population Overview
| Population (Census) | 142 |
|---|
| Estimated 2026 | 142 |
|---|
| Median Age | 58.0 |
|---|
| Total Households | 74 |
|---|
| Family Households | 40 |
|---|
| Average Household Size | 1.92 |
|---|
| Diversity Index | 0.0 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 142 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 59 |
| Unclassified or not reported | 50 |
| Norwegian | 34 |
| Irish | 8 |
| Hungarian | 7 |
| Hispanic: Mexican | 7 |
| Hispanic: Hispanic or Latino | 7 |
| English | 6 |
| Scottish | 3 |
| Czech | 2 |
Language
| English Only | 141 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 142 |
|---|
Veterans
| Veterans | 14 |
|---|
| Population 18+ | 129 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Castalia, Iowa.
