St. John city, Kansas
Official LSAD Designation: St. John city • Census GEOID: 2062275
• Stafford County
Demographics & Population Profile
Population and demographics for St. John city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,200 | — | 2025 | Census |
| Median Age | 38.7 yrs | ±5.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 414 | ±63 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).