Demographics & People — Marengo, Indiana
Population Overview
| Population (Census) | 823 |
|---|
| Estimated 2026 | ~1,200 |
|---|
| Median Age | 35.2 |
|---|
| Total Households | 363 |
|---|
| Family Households | 236 |
|---|
| Average Household Size | 2.27 |
|---|
| Diversity Index | 0.005 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 790 |
|---|
| Black or African American | 0 |
|---|
| Asian | 2 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 289 |
| English | 176 |
| German | 135 |
| Other groups | 99 |
| Irish | 87 |
| Italian | 59 |
| American | 26 |
| French (except Basque) | 19 |
| Welsh | 10 |
| Scottish | 8 |
Language
| English Only | 744 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 751 |
|---|
Veterans
| Veterans | 108 |
|---|
| Population 18+ | 634 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Marengo, Indiana.
