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US ZIP Code Profile

ZIP Code 40209
Louisville, Kentucky

ZIP code 40209 is in Louisville, located in Jefferson County, Kentucky, within the Louisville/Jefferson County metro area. Its 2020 Census population was 426. The estimated median adjusted gross income per tax return is $32,812.

2020 Population
426
Census ZCTA
County
Jefferson
FIPS 21111
Median income (est.)
$32,812
IRS SOI 2022
Land Area
2.686 mi²
+ 0 mi² water

01Location & Geography

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

Primary CityLouisville, KY
CountyJefferson County (FIPS 21111)
StateKentucky (FIPS 21)
Metro Area (MSA)Louisville/Jefferson County, KY-IN Metro Area (31140)
Census Region / DivisionSouth Region · East South Central Division
Coordinates38.189888, -85.7483
Land / Water Area2.686 mi² land · 0 mi² water

02Income & Economics

Distribution of the 190 individual tax returns filed in 40209 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
36.8%
$25K–$50K
42.1%
$50K–$75K
10.5%
$75K–$100K
10.5%
$100K–$200K
0.0%
$200K+
0.0%
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 40209's IRS income metrics, 2020–2022.

Median income (2021→2022)
$32,812
▲ 5.0%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
190
▼ 13.6%
GET /zipc/v2/zipcodes/40209/soi?year=… $32K 2020 $31K 2021 $33K 2022
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 40209 ZCTA.

2000
452
 
2010
360
▼ -20.4%
2020
426
▲ +18.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 40209. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 40209

Louisville and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 40209 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 ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number204788
City AliasesLouisville

07Frequently Asked Questions

What county is ZIP code 40209 in?

ZIP code 40209 is in Jefferson County, Kentucky (county FIPS code 21111).

What city is ZIP code 40209?

The primary USPS city for 40209 is Louisville, KY.

What metro area (MSA) is 40209 in?

40209 is part of the Louisville/Jefferson County, KY-IN Metro Area (MSA code 31140).

What is the population of ZIP code 40209?

The 2020 Census population of 40209 was 426 residents.

What is the median income in ZIP code 40209?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 40209 is about $32,812. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.