ZIP code
46373
Saint John, IN
46373 covers Saint John in Lake County, with 18,509 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 46373. Methodology
ZIP code map of 46373
About ZIP code 46373
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 46373. Not ACS. Methodology
People in 46373
Race
- White14,919
- Black or African American523
- American Indian or Alaska Native57
- Asian308
- Native Hawaiian and Pacific Islander2
- Other race518
- Two or more races1,512
Hispanic or Latino (any race): 1,980
Age
- Under 102,076
- 10 to 192,471
- 20 to 291,510
- 30 to 391,856
- 40 to 492,410
- 50 to 592,775
- 60 to 692,541
- 70 to 791,510
- 80 and older690
Income and housing in 46373
Education
- High school graduate94.1%
- Bachelor's degree42.3%
- Graduate degree14.4%
Places covering 46373
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- St. John97.5%
- Schererville0.8%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Lake County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
1.7% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 46373
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 13,063 | |
| 2006 | 12,910 | |
| 2007 | 13,669 | |
| 2008 | 13,810 | |
| 2009 | 14,068 | |
| 2010 | 14,345 | |
| 2011 | 13,326 | 14,555 |
| 2012 | 13,694 | 14,810 |
| 2013 | 14,089 | 15,060 |
| 2014 | 14,092 | 15,110 |
| 2015 | 14,679 | 15,320 |
| 2016 | 14,849 | 16,180 |
| 2017 | 15,377 | 16,700 |
| 2018 | 15,480 | 17,140 |
| 2019 | 16,083 | 17,770 |
| 2020 | 16,670 | 18,430 |
| 2021 | 17,253 | 18,740 |
| 2022 | 17,741 | 19,350 |
| 2023 | 18,509 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 46373
12 nearest ZIP centroids (any distance)
- 46311Dyer2.8 miPop 23,405 · Income $109,167
- 46375Schererville3.5 miPop 24,012 · Income $89,646
- 46303Cedar Lake4.7 miPop 16,910 · Income $78,659
- 46319Griffith6.0 miPop 17,683 · Income $75,976
- 60417Crete6.2 miPop 15,408 · Income $93,346
- 46322Highland7.3 miPop 23,749 · Income $76,219
- 46410Merrillville7.4 miPop 38,803 · Income $61,735
- 46321Munster7.5 miPop 23,733 · Income $105,764
- 60411Chicago Heights7.8 miPop 52,395 · Income $56,627
- 46307Crown Point7.9 miPop 71,418 · Income $102,118
- 60475Steger8.6 miPop 10,103 · Income $61,222
- 46408Gary8.8 miPop 15,571 · Income $47,063
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 46373, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 46373 FAQ
- What city is ZIP code 46373 in?
- 46373 is in Saint John, IN.
- What county is 46373 in?
- 46373 is in Lake County.
- What is the median household income in 46373?
- The median household income in 46373 is $123,203.
- Which ZIP codes are near 46373?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 46373.