Demographics & People — Long Island, Kansas
Population Overview
| Population (Census) | 143 |
| Estimated 2026 | ~100 |
| Median Age | 28.9 |
| Total Households | 47 |
| Family Households | 39 |
| Average Household Size | 3.04 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 138 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 61 |
| Other groups | 24 |
| English | 17 |
| Dutch | 17 |
| American | 14 |
| Unclassified or not reported | 11 |
| Irish | 10 |
| Czech | 2 |
| Greek | 2 |
| Danish | 1 |
Language
| English Only | 120 |
| Spanish | 0 |
| Population 5+ | 120 |
Veterans
| Veterans | 0 |
| Population 18+ | 73 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Long Island, Kansas.