St. John, IN
Population 21,639 · Indiana
About St. John, IN
St. John is a mid-sized city in Indiana with a population of 21,639 residents. The median household income is $127,449 per year, which is above the national average. The median age in St. John is 41.4 years.
Housing in St. John has a median home value of $370,800 and median monthly rent of $971. Of the 7,614 total housing units, the majority are owner-occupied, with 7,380 owner-occupied and 142 renter-occupied units.
The unemployment rate in St. John is 3.2% and the poverty rate is 2.3%. 42.9% of residents hold a bachelor's degree or higher. The average commute time is 32.4 minutes.
How St. John Ranks in Indiana
Cost of Living in St. John, IN
Compared to national averages, St. John has a median household income of $127,449 (70% above the national median of $75,149). Home values average $370,800, which is 51% above the national median. Monthly rent at $971 is 17% below the US average of $1,163. Within Indiana, St. John's income is 84% above the state average of $69,330, and home values are 127% above the state median of $163,409.
Why Live in St. John, IN?
St. John offers a strong local economy with a median household income of $127,449, well above the national average, and rent that’s lower than the national average at $971/month, and a strong job market with an unemployment rate of just 3.2%. Additionally, the city features a well-educated community where 42.9% of residents hold a bachelor’s degree or higher, and a low poverty rate of 2.3%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $370,800. However, St. John’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
St. John has a population of 21,639 with a median age of 41.4 years. Compare St. John with other cities to see how it stacks up, or explore all cities in Indiana.
Similar Cities Near St. John
Cities in Indiana with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Seymour | 21,536 | $63,388 | $153,300 | Compare |
| Clarksville | 22,121 | $58,518 | $172,700 | Compare |
| La Porte | 22,125 | $59,862 | $143,800 | Compare |
| Avon | 22,683 | $97,589 | $300,600 | Compare |
| Shelbyville | 19,866 | $58,532 | $151,100 | Compare |
| Munster | 23,733 | $105,764 | $312,000 | Compare |
| Greenfield | 24,308 | $74,949 | $205,800 | Compare |
| Logansport | 17,766 | $46,363 | $84,600 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Indiana
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about St. John
What is the population of St. John, IN?
The population of St. John, IN is 21,639 according to the latest Census data.
What is the median household income in St. John?
The median household income in St. John, IN is $127,449 per year.
What is the median home value in St. John?
The median home value in St. John, IN is $370,800.
What is the average rent in St. John?
The median monthly rent in St. John, IN is $971.
What is the unemployment rate in St. John?
The unemployment rate in St. John, IN is 3.2%.