In 2023, St. John, IN had a population of 21.6k people with a median age of 41.4 and a median household income of $127,449. Between 2022 and 2023 the population of St. John, IN grew from 20,727 to 21,639, a 4.4% increase and its median household income grew from $123,799 to $127,449, a 2.95% increase.
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None of the households in St. John, IN reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
Most people in St. John, IN drove alone to work, and the average commute time was 32.4 minutes. The average car ownership in St. John, IN was 2 cars per household.