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US ZIP Code Profile

ZIP Code 40220
Louisville, Kentucky

ZIP code 40220 is in Louisville, located in Jefferson County, Kentucky, within the Louisville/Jefferson County metro area. Its 2020 Census population was 34,315. The estimated median adjusted gross income per tax return is $49,479, and about 3% of filers report $200,000 or more.

2020 Population
34,315
Census ZCTA
County
Jefferson
FIPS 21111
Median income (est.)
$49,479
IRS SOI 2022
Land Area
7.618 mi²
+ 0.026 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
Coordinates38.216488, -85.61781
Land / Water Area7.618 mi² land · 0.026 mi² water

02Income & Economics

Distribution of the 16,800 individual tax returns filed in 40220 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
24.8%
$25K–$50K
25.7%
$50K–$75K
17.7%
$75K–$100K
11.7%
$100K–$200K
16.7%
$200K+
3.4%
The $200,000+ bracket accounts for 15% of 40220's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($49,479) and the average.
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 40220's IRS income metrics, 2020–2022.

Median income (2021→2022)
$49,479
▲ 4.4%
Filers earning $200K+
3.4%
▲ 0.2 pt
Total filers
16,800
▼ 0.4%
GET /zipc/v2/zipcodes/40220/soi?year=… $45K 2020 $47K 2021 $49K 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 40220 ZCTA.

2000
32,834
 
2010
33,109
▲ +0.8%
2020
34,315
▲ +3.6%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 40220. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 40220

Louisville and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 40220 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, Saint Regis Park, Cambridge, Houston Acres, Hurstbourne Acres, Lincolnshire, Meadowview Estates, St Regis Park, Hurstbrne Acr, Meadowvw Ests

07Frequently Asked Questions

What county is ZIP code 40220 in?

ZIP code 40220 is in Jefferson County, Kentucky (county FIPS code 21111).

What city is ZIP code 40220?

The primary USPS city for 40220 is Louisville, KY.

What metro area (MSA) is 40220 in?

40220 is part of the Louisville/Jefferson County, KY-IN Metro Area (MSA code 31140).

What is the population of ZIP code 40220?

The 2020 Census population of 40220 was 34,315 residents.

What is the median income in ZIP code 40220?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 40220 is about $49,479, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.