ZIP Code 40210 — Louisville, KY | Population, Income, County & Map Data

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary City	Louisville, KY
County	Jefferson County (FIPS 21111)
State	Kentucky (FIPS 21)
Metro Area (MSA)	Louisville/Jefferson County, KY-IN Metro Area (31140)
Census Region / Division	South Region · East South Central Division
Coordinates	38.23153, -85.78621
Land / Water Area	3.218 mi² land · 0 mi² water

02Income & Economics

Distribution of the 5,300 individual tax returns filed in 40210 by adjusted gross income bracket (IRS SOI, 2022).

< $25K

51.1%

$25K–$50K

32.8%

$50K–$75K

11.1%

$75K–$100K

3.2%

$100K–$200K

1.7%

$200K+

0.0%

Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income. Estimate is approximate for this ZIP (median falls in the lowest bracket).

03Income Over Time

Year-over-year change in 40210's IRS income metrics, 2020–2022.

Median income (2021→2022)

$24,446

▲ 7.8%

Filers earning $200K+

0.0%

▲ 0.0 pt

Total filers

5,300

▼ 2.9%

GET /zipc/v2/zipcodes/40210/soi?year=…

Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 40210 ZCTA.

2000

16,273

2010

14,822

▼ -8.9%

2020

14,418

▼ -2.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 40210. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 40210

Louisville and its immediate neighbors, sorted by distance.

Radius 3 mi

GET /zipc/v2/distance

Distance from 40210 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP Classification	Non-Unique Zip
Facility Type	Post Office
Carrier Route Sort	D
USPS Finance Number	204788
City Aliases	Louisville

07Frequently Asked Questions

What county is ZIP code 40210 in?

ZIP code 40210 is in Jefferson County, Kentucky (county FIPS code 21111).

What city is ZIP code 40210?

The primary USPS city for 40210 is Louisville, KY.

What metro area (MSA) is 40210 in?

40210 is part of the Louisville/Jefferson County, KY-IN Metro Area (MSA code 31140).

What is the population of ZIP code 40210?

The 2020 Census population of 40210 was 14,418 residents.

What is the median income in ZIP code 40210?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 40210 is about $24,446. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.