Demographics & People — Plainville, Kansas
Population Overview
| Population (Census) | 1,766 |
| Estimated 2026 | ~1,400 |
| Median Age | 41.9 |
| Total Households | 800 |
| Family Households | 511 |
| Average Household Size | 2.2 |
| Diversity Index | 0.1143 (relatively homogeneous) |
Race & Ethnicity
| White | 1,654 |
| Black or African American | 48 |
| Asian | 10 |
| Hispanic or Latino | 47 |
Heritage & Ancestry
| Group | Count |
| German | 709 |
| Unclassified or not reported | 465 |
| American | 273 |
| Irish | 239 |
| Other groups | 158 |
| English | 73 |
| Norwegian | 65 |
| French (except Basque) | 62 |
| Hispanic: Mexican | 51 |
| Hispanic: Hispanic or Latino | 51 |
Language
| English Only | 1,684 |
| Spanish | 9 |
| Population 5+ | 1,693 |
Veterans
| Veterans | 100 |
| Population 18+ | 1,438 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Plainville, Kansas.