ZIP code
40203
Louisville, KY
40203 covers Louisville in Jefferson County, with 17,540 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 40203. Methodology
ZIP code map of 40203
About ZIP code 40203
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 40203. Not ACS. Methodology
People in 40203
Race
- White6,196
- Black or African American9,249
- American Indian or Alaska Native82
- Asian147
- Native Hawaiian and Pacific Islander10
- Other race238
- Two or more races879
Hispanic or Latino (any race): 518
Age
- Under 102,061
- 10 to 191,825
- 20 to 292,741
- 30 to 392,608
- 40 to 491,901
- 50 to 592,190
- 60 to 692,111
- 70 to 79861
- 80 and older503
Income and housing in 40203
Education
- High school graduate85.8%
- Bachelor's degree22.3%
- Graduate degree7.8%
Places covering 40203
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.
- Louisville100.0%
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.
- Jefferson 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
Population history for 40203
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 11,690 | |
| 2006 | 11,839 | |
| 2007 | 14,346 | |
| 2008 | 11,822 | |
| 2009 | 11,619 | |
| 2010 | 12,052 | |
| 2011 | 19,241 | 11,880 |
| 2012 | 19,270 | 12,120 |
| 2013 | 18,884 | 12,190 |
| 2014 | 18,347 | 12,400 |
| 2015 | 18,964 | 12,450 |
| 2016 | 19,004 | 12,080 |
| 2017 | 18,745 | 11,540 |
| 2018 | 17,801 | 10,790 |
| 2019 | 17,815 | 10,340 |
| 2020 | 17,568 | 10,220 |
| 2021 | 17,263 | 9,840 |
| 2022 | 17,964 | 9,860 |
| 2023 | 17,540 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 40203
12 nearest ZIP centroids (any distance)
- 40202Louisville0.7 miPop 7,109 · Income $29,382
- 40210Louisville1.8 miPop 14,226 · Income $35,841
- 40212Louisville2.3 miPop 15,160 · Income $35,389
- 40208Louisville2.4 miPop 15,287 · Income $37,714
- 40204Louisville2.5 miPop 14,018 · Income $70,706
- 40293Louisville2.6 miPop — · Income —
- 40217Louisville2.9 miPop 11,831 · Income $68,573
- 40211Louisville3.4 miPop 21,165 · Income $32,598
- 40206Louisville3.5 miPop 20,345 · Income $72,543
- 47129Clarksville4.2 miPop 19,611 · Income $55,447
- 40280Louisville4.3 miPop 193 · Income —
- 40215Louisville4.4 miPop 19,444 · Income $42,762
ZIP centroids within 2 miles
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 40203 FAQ
- What city is ZIP code 40203 in?
- 40203 is in Louisville, KY.
- What county is 40203 in?
- 40203 is in Jefferson County.
- What is the median household income in 40203?
- The median household income in 40203 is $31,430.
- Which ZIP codes are near 40203?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 40203.