United States › Indiana › St. John CITY · 2020 ACS
St. John Indiana · 20,303 residents · 12.7 sq mi
Time machine
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The short version
St. John is a city of 20,303 people in Indiana. Owners hold 97% of the housing stock. Since 2000 the city has more than doubled, up 11,921 people. Households here earn about 78% more than in Indiana as a whole. Households take in $103,851 a year at the median, 57% more than the country as a whole. At a median age of 43.1, this is an older place than the country as a whole.
At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 43.1
US median: 38.8
Average education
35% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 38.6 in 2000
US average: 38.8
Population, 1990 – 2024
3K 8K 14K 19K 24K 1990 2000 2010 2020 2024 St. John Age distribution, 2020
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Section 02
Income & economy $103,851
−3%inflation adjusted, since 2000
from $71,378 in 2000
US average: $66,278
from $25,106 in 2000
US average: $35,364
Households earning $100K+
from 59.7% in 2009
US average: 43.9%
from 1.7% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 6.1%
Public administration 4.3%
Transportation & warehousing 2.2%
Arts, entertainment, food 1.7%
Education & health services 1.3%
Agriculture, forestry, fishing 0.4%
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$279,700
+9%inflation adjusted, since 2000
from $171,000 in 2000
US average: $265,253
$955
+48%inflation adjusted, since 2000
from $430 in 2000
US average: $1,124
from 96.5% in 2000
3.4% rent
2.71 people
−11%since 2009
from 3.03 people in 2009
US average: 2.61
from 2.7 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 94.3%(7,908)
Hispanic / Latino 4.2%(352)
2020
White, non-Hispanic 80.6%(16,359)
Hispanic / Latino 10.9%(2,223)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 24 more ancestry groups with data from 25.1% in 2000
US average: 32.9%
High school or higher
from 93.2% in 2000
US average: 88.5%
from 7.3% in 2000
US average: 12.7%
Section 06
Commute & transportation from 24.6 min in 2000
US average: 26.9
from 83.5% in 2009
US average: 75.1%
from 0.7% in 2009
US average: 8.4%
Section 07
Work & employment from 4.6% in 2011
US average: 5.4%
from 71.7% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 44.5% in 2009
US average: 39.3%
Section 08
People & community from 5.8% in 2009
US average: 13.5%
from 6.6% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 28.8%(2,661)
Women 15+
Never married 21.1%(1,919)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 6.6% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 11.3%(92)
Gulf War (1990s) 21.1%(172)
Share of the 817 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to St. John Head to head
Compare St. John to nearby cities ST. JOHN VS
Schererville
Income $89,466 −14%
Home value $314,900 +13%
Population 29,825 +20%
SEE FULL COMPARISON →
ST. JOHN VS
Dyer
Income $107,159 +3%
Home value $322,200 +15%
Population 16,273 −34%
SEE FULL COMPARISON →
ST. JOHN VS
Cedar Lake
Income $83,381 −20%
Home value $282,000 +1%
Population 16,789 −32%
SEE FULL COMPARISON →
ST. JOHN VS
Sauk
Income $69,973 −33%
Home value $110,800 −60%
Population 9,624 −61%
SEE FULL COMPARISON →
Frequently asked
How many people live in St. John, Indiana? St. John, Indiana has about 20,303 residents according to the 2020 American Community Survey.
What is the median household income in St. John, Indiana? The typical household in St. John, Indiana earns about $103,851 a year. Half of households make more than that, and half make less.
Is St. John, Indiana expensive? In St. John, Indiana, the median home is worth about $279,700, and the typical rent is about $955 a month.
How educated are people in St. John, Indiana? About 34.8% of adults age 25 and over in St. John, Indiana hold a bachelor's degree or higher.
What is the poverty rate in St. John, Indiana? About 3.0% of people in St. John, Indiana live below the federal poverty line.
Has St. John, Indiana grown since 1990? Yes, St. John, Indiana has grown since 1990. The population has added about 15,382 residents, a change of about 313 percent over that period.
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