ZIP code
46303
Cedar Lake, IN
46303 covers Cedar Lake in Lake County, with 16,910 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 46303. Methodology
ZIP code map of 46303

About ZIP code 46303
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 46303. Not ACS. Methodology
People in 46303
Race
- White15,003
- Black or African American92
- American Indian or Alaska Native61
- Asian91
- Native Hawaiian and Pacific Islander3
- Other race358
- Two or more races1,420
Hispanic or Latino (any race): 1,499
Age
- Under 102,170
- 10 to 192,338
- 20 to 291,853
- 30 to 392,397
- 40 to 492,190
- 50 to 592,262
- 60 to 692,179
- 70 to 791,194
- 80 and older445
Income and housing in 46303
Education
- High school graduate94.9%
- Bachelor's degree24.2%
- Graduate degree9.0%
Places covering 46303
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.
- Cedar Lake81.5%
- St. John1.6%
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
17.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 46303
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 12,442 | |
| 2006 | 12,385 | |
| 2007 | 13,441 | |
| 2008 | 13,204 | |
| 2009 | 13,241 | |
| 2010 | 13,397 | |
| 2011 | 13,595 | 13,539 |
| 2012 | 13,631 | 13,670 |
| 2013 | 13,784 | 13,840 |
| 2014 | 13,997 | 13,830 |
| 2015 | 14,078 | 14,010 |
| 2016 | 14,375 | 14,630 |
| 2017 | 14,103 | 15,100 |
| 2018 | 14,644 | 15,470 |
| 2019 | 14,765 | 16,040 |
| 2020 | 14,799 | 16,670 |
| 2021 | 16,073 | 17,100 |
| 2022 | 16,859 | 17,700 |
| 2023 | 16,910 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 46303
12 nearest ZIP centroids (any distance)
- 46373Saint John4.7 miPop 18,509 · Income $123,203
- 60417Crete6.7 miPop 15,408 · Income $93,346
- 46311Dyer6.7 miPop 23,405 · Income $109,167
- 60401Beecher7.2 miPop 7,581 · Income $92,279
- 46307Crown Point8.2 miPop 71,418 · Income $102,118
- 46356Lowell8.2 miPop 19,396 · Income $87,535
- 46375Schererville8.3 miPop 24,012 · Income $89,646
- 60475Steger10.3 miPop 10,103 · Income $61,222
- 46410Merrillville10.6 miPop 38,803 · Income $61,735
- 46319Griffith10.7 miPop 17,683 · Income $75,976
- 60411Chicago Heights10.9 miPop 52,395 · Income $56,627
- 46322Highland12.0 miPop 23,749 · Income $76,219
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 46303, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 46303 FAQ
- What city is ZIP code 46303 in?
- 46303 is in Cedar Lake, IN.
- What county is 46303 in?
- 46303 is in Lake County.
- What is the median household income in 46303?
- The median household income in 46303 is $78,659.
- Which ZIP codes are near 46303?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 46303.