Demographics & People — Ionia, Iowa
Population Overview
| Population (Census) | 318 |
|---|
| Estimated 2026 | ~400 |
|---|
| Median Age | 27.9 |
|---|
| Total Households | 150 |
|---|
| Family Households | 82 |
|---|
| Average Household Size | 2.12 |
|---|
| Diversity Index | 0.031 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 313 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 5 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| German | 130 |
| Unclassified or not reported | 74 |
| American | 53 |
| Irish | 31 |
| English | 19 |
| Norwegian | 14 |
| Czech | 7 |
| Swedish | 6 |
| Other groups | 6 |
| Dutch | 3 |
Language
| English Only | 303 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 303 |
|---|
Veterans
| Veterans | 16 |
|---|
| Population 18+ | 234 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Ionia, Iowa.
