Demographics & People — St. Marks, Kansas
Population Overview
| Population (Census) | 87 |
|---|
| Estimated 2026 | ~600 |
|---|
| Median Age | 21.4 |
|---|
| Total Households | 21 |
|---|
| Family Households | 21 |
|---|
| Average Household Size | 4.14 |
|---|
| Diversity Index | 0.2388 (somewhat diverse) |
|---|
Race & Ethnicity
| White | 87 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 14 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 62 |
| German | 31 |
| English | 14 |
| Other groups | 14 |
| Hispanic: Spaniard | 14 |
| Hispanic: Other Hispanic or Latino | 14 |
| Hispanic: Hispanic or Latino | 14 |
| Czech | 12 |
Language
| English Only | 72 |
|---|
| Spanish | 0 |
|---|
| Population 5+ | 72 |
|---|
Veterans
| Veterans | 15 |
|---|
| Population 18+ | 60 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for St. Marks, Kansas.
