St. John town, Indiana Demographics & Population 2026
As of 2026, St. John town, Indiana has a total population of 21,639, the 47th largest city in Indiana, with a median household income of $127,449, which is 82% higher than the state average. The poverty rate is 2.3%.
Key Takeaways
- Household income is 82% above the state average — one of the wealthiest communities in Indiana.
- An exceptionally low poverty rate of 2.3% — among the lowest in Indiana.
- 42.9% of adults hold a bachelor's degree or higher — top 10% in Indiana.
St. John town Quick Facts
How St. John town Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 40 | National average: 60
Education
Educational Attainment (Adults 25+)
St. John town Rankings in Indiana
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Other Cities in Lake County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Winfield town | 7,501 | $128,980 | 3.8% | $401,200 |
Cities Similar to St. John town
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Avon town | 22,683 | $97,589 | $300,600 | 42.4% | 6.0% |
| Munster town | 23,733 | $105,764 | $312,000 | 48.1% | 7.3% |
| Highland town | 23,749 | $76,219 | $219,500 | 30.1% | 9.7% |
| Seymour city | 21,536 | $63,388 | $153,300 | 19.7% | 14.4% |
| Granger CDP | 30,279 | $117,348 | $302,500 | 54.8% | 4.5% |
Population Overview
St. John town is a small city located in Indiana, within Lake County. The total population is 21,639. It ranks as the 47th most populous out of 967 cities and towns in Indiana.
Age Demographics
The median age in St. John town is 41.4 years. This is 9% higher than the state median of 38.0 years.
Economy, Income & Housing
The median household income in St. John town is $127,449. This is 82% higher than the state median of $70,051. Compared to the national median of $78,538, household income here is 62% higher. The poverty rate stands at 2.3%. This is 81% lower than the state poverty rate of 12.2%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.2%. This is 25% lower than the state rate of 4.3%. The median home value is $370,800. Housing costs are 84% higher than the state median of $201,600. With a home-value-to-income ratio of just 2.9x, St. John town is one of the most affordable housing markets in the area. 98.1% of occupied housing units are owner-occupied. This homeownership rate is 39% higher than the state average of 70.3%.
Race & Ethnicity
The largest racial or ethnic group in St. John town is White (non-Hispanic), making up 80.5% of the population. Hispanic or Latino residents account for 10.6%. The Black or African American population (2.8%) is well below the state average of 9.1%.
Education
42.9% of residents aged 25 and older hold a bachelor's degree or higher. This places St. John town in the top 10% of all cities in the state for educational attainment. This is 49% higher than the state rate of 28.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.7%.
Data Sources & Methodology
All demographic data for St. John town, Indiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Indiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 967 Census-designated places in Indiana. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of St. John town, Indiana?
St. John town, Indiana has a population of 21,639 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. John town, IN?
The median household income in St. John town is $127,449, which is 62% higher the national median of $78,538.
What is the poverty rate in St. John town, IN?
The poverty rate in St. John town is 2.3%. This means approximately 494 residents live below the federal poverty line.
What is the racial makeup of St. John town, Indiana?
St. John town's population is 80.5% White, 2.8% Black, 10.6% Hispanic/Latino, and 2.4% Asian.
What is the median home value in St. John town, IN?
The median home value in St. John town is $370,800. The home-value-to-income ratio is 2.9x.
How educated is St. John town, Indiana?
42.9% of adults (25+) in St. John town hold a bachelor's degree or higher, and 14.0% hold a graduate or professional degree.