Population 21,114 · Census ACS 2020–24
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Population and households in St. John
Household size in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.06 | 2.79 | 2.57 | 2.68 |
| 2010–14 | 2.90 | 2.82 | 2.59 | 2.73 |
| 2015–19 | 2.86 | 2.75 | 2.57 | 2.71 |
| 2020–24 | 2.83 | 2.66 | 2.54 | 2.65 |
| Change | −0.23 | −0.12 | −0.03 | −0.03 |
Households in St. John average 2.83 people, above the national 2.65, so families with children are more common here. Since 2006–10, household size has dropped from 3.06, a much bigger shift than nationally. St. John has larger households than at least four in five Indiana cities.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.7 | 36.8 | 37.5 | 37.7 |
| 2010–14 | 39.7 | 37.8 | 38.4 | 38.6 |
| 2015–19 | 43.2 | 38.9 | 39.1 | 39.6 |
| 2020–24 | 44.1 | 39.7 | 39.3 | 40.1 |
| Change | +6.4 | +3.0 | +1.7 | +2.3 |
With a median age of 44.1, St. John is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 37.7 in 2006–10, mirroring the country. St. John is older than the great majority of Indiana cities.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.9% | 12.0% | 11.8% | 12.3% |
| 2010–14 | 6.4% | 12.0% | 12.0% | 12.3% |
| 2015–19 | 4.7% | 11.2% | 11.6% | 11.6% |
| 2020–24 | 4.9% | 11.5% | 11.7% | 11.6% |
| Change | +0.9 pts | −0.5 pts | −0.1 pts | −0.6 pts |
Single parents head only 4.9% of households in St. John, well below the national share of 11.6%. The single-parent share has edged up 0.9 points since 2006–10, even as the national share fell. Only six of the 187 Indiana cities with 5,000+ people have a lower share of single-parent households.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in St. John
Renters in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.0% | 32.1% | 28.5% | 33.3% |
| 2010–14 | 5.5% | 34.8% | 30.5% | 35.6% |
| 2015–19 | 4.9% | 35.5% | 30.9% | 36.0% |
| 2020–24 | 2.8% | 34.5% | 29.4% | 34.8% |
| Change | −2.2 pts | +2.3 pts | +1.0 pts | +1.5 pts |
St. John is overwhelmingly a place of homeowners: only 2.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Since 2006–10, the renter share has fallen 2.2 points, even as the national share rose. No other Indiana city with 5,000+ people has a lower share of renters.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.2% | 9.8% | 11.2% | 11.4% |
| 2010–14 | 3.7% | 9.8% | 11.2% | 11.4% |
| 2015–19 | 3.1% | 8.9% | 10.9% | 11.1% |
| 2020–24 | 4.0% | 7.2% | 9.3% | 9.6% |
| Change | +0.8 pts | −2.6 pts | −2.0 pts | −1.8 pts |
Empty homes are scarce in St. John: just 4.0% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Since 2006–10, vacancy has edged up 0.8 points, even as the national rate fell. Only 11 of the 187 Indiana cities with 5,000+ people have a lower vacancy rate.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 1994 | 1966 | 1972 | 1974 |
| 2010–14 | 1996 | 1967 | 1973 | 1975 |
| 2015–19 | 1998 | 1967 | 1974 | 1977 |
| 2020–24 | 2001 | 1970 | 1977 | 1980 |
| Change | +8 | +4 | +5 | +6 |
Much of the housing in St. John is relatively new: half of its homes were built after 2001, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1994 in 2006–10, a sign of steady new building. The newest homes are mostly in the southeast, the oldest in the northwest. Of the 187 Indiana cities with 5,000+ people, only six have newer homes.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | $854 | $1,060 | $763 | $965 |
| 2010–14 | $925 | $1,142 | $819 | $1,040 |
| 2015–19 | $1,078 | $1,306 | $903 | $1,213 |
| 2020–24 | $1,222 | $1,602 | $1,146 | $1,571 |
| Change | +$368 | +$542 | +$384 | +$606 |
The median renter in St. John pays $1,222 a month for rent and utilities, well below the national median of $1,571. Rent has climbed $368 a month since 2006–10, up 43%, a slower climb than the nation's. Rent takes 32.3% of the typical renter's income, just over the 30% mark often used to define affordable rent.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in St. John
Bachelor's degrees in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 31.5% | 33.9% | 23.8% | 28.4% |
| 2010–14 | 35.2% | 35.2% | 24.6% | 29.6% |
| 2015–19 | 35.7% | 37.9% | 27.1% | 32.1% |
| 2020–24 | 40.7% | 40.9% | 30.0% | 35.6% |
| Change | +9.2 pts | +7.0 pts | +6.2 pts | +7.2 pts |
About four in ten adults 25 and older in St. John (40.7%) have a bachelor's degree or higher, a bit above the national share of 35.6%. The share with a degree is up 9.2 points from 2006–10, in line with the national trend. St. John has a higher share of college graduates than the great majority of Indiana cities.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 93.7% | 85.6% | 86.5% | 84.9% |
| 2010–14 | 96.6% | 86.7% | 87.7% | 86.1% |
| 2015–19 | 95.6% | 88.4% | 88.7% | 87.7% |
| 2020–24 | 94.6% | 89.5% | 89.9% | 89.3% |
| Change | +0.9 pts | +3.9 pts | +3.4 pts | +4.3 pts |
High school completion is high in St. John: 94.6% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has edged up 0.9 points, a smaller shift than nationally.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in St. John
| Period | St. John | Chicago area | Indiana | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.7% | 9.1% | 8.4% | 8.1% |
| 2010–14 | 4.8% | 10.8% | 8.9% | 9.4% |
| 2015–19 | 4.5% | 6.3% | 4.9% | 5.6% |
| 2020–24 | 2.0% | 6.3% | 4.3% | 5.4% |
| Change | −3.7 pts | −2.8 pts | −4.1 pts | −2.7 pts |
Unemployment in St. John has been low: just 2.0% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment is down 3.7 points from 2006–10, in line with the national trend. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
St. John compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| St. John | 2.83 | 44.1 | 4.9% | 2.8% | 4.0% | 2001 | $1,222 | 40.7% | 94.6% | 2.0% |
| Schererville | 2.51 | 44.1 | 8.0% | 20.3% | 5.4% | 1989 | $1,372 | 34.0% | 94.8% | 4.5% |
| Dyer | 2.63 | 44.9 | 8.8% | 10.0% | 3.4% | 1995 | $1,255 | 38.5% | 95.6% | 3.0% |
| Cedar Lake | 2.80 | 40.7 | 8.8% | 12.8% | 8.1% | 1995 | $1,267 | 28.9% | 95.6% | 4.6% |
| Sauk Village | 3.14 | 32.4 | 29.2% | 35.0% | 16.8% | 1972 | $1,525 | 18.1% | 91.1% | 11.7% |
| Griffith | 2.37 | 38.3 | 17.1% | 26.8% | 5.9% | 1966 | $1,213 | 27.1% | 95.5% | 3.6% |
| Merrillville | 2.40 | 43.3 | 14.8% | 30.6% | 6.1% | 1979 | $1,296 | 25.6% | 91.8% | 7.6% |
| Crown Point | 2.85 | 42.0 | 8.6% | 10.4% | 4.0% | 1991 | $1,407 | 36.1% | 95.7% | 2.6% |
| Crete | 2.50 | 47.6 | 9.5% | 9.8% | 5.2% | 1975 | $1,303 | 31.5% | 94.7% | 5.5% |
| Lynwood | 2.71 | 42.7 | 15.7% | 26.9% | 12.8% | 1987 | $1,563 | 27.3% | 92.0% | 6.4% |
| Highland | 2.29 | 46.2 | 11.4% | 21.5% | 5.4% | 1969 | $1,305 | 29.8% | 94.2% | 4.9% |
All figures 2020–24.
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About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up St. John. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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