Demographics & People — Mankato, Kansas
Population Overview
| Population (Census) | 801 |
| Estimated 2026 | ~1,300 |
| Median Age | 51.5 |
| Total Households | 386 |
| Family Households | 197 |
| Average Household Size | 2.0 |
| Diversity Index | 0.1595 (relatively homogeneous) |
Race & Ethnicity
| White | 739 |
| Black or African American | 20 |
| Asian | 2 |
| Hispanic or Latino | 47 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 266 |
| German | 189 |
| English | 140 |
| Other groups | 120 |
| Irish | 56 |
| Swedish | 45 |
| American | 44 |
| Hispanic: Mexican | 30 |
| Hispanic: Hispanic or Latino | 30 |
| Eastern European | 28 |
Language
| English Only | 734 |
| Spanish | 17 |
| Population 5+ | 774 |
Veterans
| Veterans | 74 |
| Population 18+ | 691 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Mankato, Kansas.