St. John town, Indiana demographics
Population: 19,805
Median age: 41.9
Median household income: 115,230
St. John is a town in Lake County, Indiana, United States.
Demographics, population, home values, social and economic characteristics of St. John town, IN.
Population
| 2021 | 19,805 |
| 2020 | 18,382 |
| 2019 | 17,426 |
| 2018 | 16,839 |
| 2017 | 16,391 |
| 2016 | 15,777 |
| 2015 | 15,789 |
| 2014 | 15,456 |
| 2013 | 15,160 |
| 2012 | 14,753 |
| 2011 | 14,205 |
| 2010 | 13,733 |
| 2009 | 12,188 |
Census data for St. John town, Indiana
Demographic and housing estimates in St. John town, Indiana
| Total population | 19,805 |
| Male | 9,758 |
| Female | 10,047 |
| Total population | 19,805 |
| Under 5 years | 1,129 |
| 5 to 9 years | 1,054 |
| 10 to 14 years | 1,827 |
| 15 to 19 years | 1,447 |
| 20 to 24 years | 1,071 |
| 25 to 34 years | 1,451 |
| 35 to 44 years | 2,710 |
| 45 to 54 years | 3,132 |
| 55 to 59 years | 1,187 |
| 60 to 64 years | 1,574 |
| 65 to 74 years | 2,009 |
| 75 to 84 years | 1,003 |
| 85 years and over | 211 |
| Median age (years) | 41.9 |
| Under 18 years | 4,962 |
| 16 years and over | 15,606 |
| 18 years and over | 14,843 |
| 21 years and over | 14,106 |
| 62 years and over | 4,052 |
| 65 years and over | 3,223 |
| Total population | 19,805 |
| One race | 19,104 |
| White | 17,306 |
| Black or African American | 521 |
| American Indian and Alaska Native | 32 |
| Asian | 433 |
| Native Hawaiian and Other Pacific Islander | 14 |
| Some other race | 798 |
| Two or more races | 701 |
| Citizen, VOTING AGE 18 and over population | 14,713 |
| Male Citizen, VOTING AGE 18 and over population | 7,253 |
| Female Citizen, VOTING AGE 18 and over population | 7,460 |
Social characteristics in St. John town, Indiana
| Total households | 6,905 |
| Family households (families) | 5,055 |
| Married-couple family | 248 |
| Male householder, no wife present, family | 544 |
| Female householder, no husband present, family | 372 |
| Nonfamily households | 1,058 |
| Average household size | 2,476 |
| Average family size | 2.87 |
Economic characteristics in St. John town, Indiana
| Total households | 6,905 |
| Less than $10,000 | 103 |
| $10,000 to $14,999 | 170 |
| $15,000 to $24,999 | 211 |
| $25,000 to $34,999 | 305 |
| $35,000 to $49,999 | 593 |
| $50,000 to $74,999 | 917 |
| $75,000 to $99,999 | 662 |
| $100,000 to $149,999 | 1,535 |
| $150,000 to $199,999 | 1,187 |
| $200,000 or more | 1,222 |
| Median household income (dollars) | 115,230 |
Housing characteristics in St. John town, Indiana
| Total housing units | 6,925 |
| Occupied housing units | 6,905 |
| Vacant housing units | 20 |
| Total housing units | 6,925 |
| 1-unit, detached | 5,983 |
| 1-unit, attached | 780 |
| 2 units | 64 |
| 3 or 4 units | 35 |
| 5 to 9 units | 0 |
| 10 to 19 units | 0 |
| 20 or more units | 47 |
| Mobile home | 16 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 6,925 |
| Built 2014 or later | 17 |
| Built 2010 to 2013 | 1,240 |
| Built 2000 to 2009 | 2,210 |
| Built 1990 to 1999 | 1,267 |
| Built 1980 to 1989 | 347 |
| Built 1970 to 1979 | 809 |
| Built 1960 to 1969 | 594 |
| Built 1950 to 1959 | 103 |
| Built 1940 to 1949 | 127 |
| Built 1939 or earlier | 211 |
| Total housing units | 6,925 |
| 1 room | 42 |
| 2 rooms | 15 |
| 3 rooms | 47 |
| 4 rooms | 316 |
| 5 rooms | 1,486 |
| 6 rooms | 1,193 |
| 7 rooms | 1,581 |
| 8 rooms | 836 |
| 9 rooms or more | 1,409 |
| Median rooms | 6.7 |
| Total housing units | 6,925 |
| No bedroom | 42 |
| 1 bedroom | 50 |
| 2 bedrooms | 1,029 |
| 3 bedrooms | 3,408 |
| 4 bedrooms | 1,975 |
| 5 or more bedrooms | 421 |
| Occupied housing units | 6,905 |
| Owner-occupied | 6,729 |
| Renter-occupied | 176 |
| Average household size of owner-occupied unit | 2.90 |
| Average household size of renter-occupied unit | 1.78 |
| Occupied housing units | 6,905 |
| Moved in 2017 or later | 317 |
| Moved in 2015 to 2016 | 1,351 |
| Moved in 2010 to 2014 | 1,283 |
| Moved in 2000 to 2009 | 2,133 |
| Moved in 1990 to 1999 | 936 |
| Moved in 1989 and earlier | 885 |
| Owner-occupied units | 6,729 |
| Less than $50,000 | 306 |
| $50,000 to $99,999 | 104 |
| $100,000 to $149,999 | 323 |
| $150,000 to $199,999 | 508 |
| $200,000 to $299,999 | 2,062 |
| $300,000 to $499,999 | 2,814 |
| $500,000 to $999,999 | 564 |
| $1,000,000 or more | 48 |
| Median (dollars) | 303,100 |
| Owner-occupied units | 6,729 |
| Housing units with a mortgage | 4,730 |
| Housing units without a mortgage | 1,999 |
| Occupied units paying rent | 165 |
| Less than $500 | 16 |
| $500 to $999 | 92 |
| $1,000 to $1,499 | 26 |
| $1,500 to $1,999 | 16 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 15 |
| Median (dollars) | 872 |
| No rent paid | 11 |
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