Demographics & People — Java, South Dakota
Population Overview
| Population (Census) | 99 |
| Estimated 2026 | ~0 |
| Median Age | 54.8 |
| Total Households | 42 |
| Family Households | 25 |
| Average Household Size | 2.36 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 97 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 2 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 59 |
| German | 56 |
| Irish | 19 |
| Norwegian | 16 |
| Other groups | 10 |
| Hispanic: Hispanic or Latino | 7 |
| French (except Basque) | 6 |
| Armenian | 4 |
| Hispanic: Puerto Rican | 4 |
| Dutch | 3 |
Language
| English Only | 97 |
| Spanish | 0 |
| Population 5+ | 97 |
Veterans
| Veterans | 14 |
| Population 18+ | 132 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Java, South Dakota.