ZIP Code 40221 in Louisville, KY

Data Last Updated: January 1, 2026
City:Louisville, Kentucky
County:Jefferson County
Timezone:Eastern (GMT -05:00)
Local Time:7:35:46 AM
Population:2 [See All]
Area Code:502
Classification:PO Box
Coordinates:38.2545, -85.7595
Land Area:0.144 sq mi
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40221 Louisville, KY - Postal Facility ZIP

ZIP Code 40221, Louisville

Retirement Unique ZIP
LocationJefferson County, KY
Area0 sq mi Single Point
Population2
HouseholdsN/A
PO Boxes170
Median Age10.0 years (Young)
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 40209
Key Facts
  • This is a postal facility ZIP Code, not a residential community, with only 2 people counted in the Census tabulation area
  • The facility maintains 170 PO Boxes and 102 business delivery points, serving customers from surrounding Louisville neighborhoods
  • PO Box holders can use street addressing format with Crittenden Drive and a unit number instead of traditional PO Box format
  • This ZIP is enclosed within ZIP Code 40209 and serves as a specialized mail facility rather than a geographic area with residential delivery
  • The ZIP was classified as PO Box before October 2004 and continues to operate primarily for box and business mail services

What This ZIP Serves

ZIP Code 40221 is a PO Box facility ZIP in Louisville, Kentucky, serving the Highland Park and South Side neighborhoods of Jefferson County. This isn't a residential community. It's a postal facility location that handles PO Box and business mail services.

PO Box Services and Street Addressing

The post office at this location maintains 170 PO Boxes and serves 102 business delivery points. Most box holders can use the PO Box Street Addressing format with Crittenden Drive as the street address, meaning a box holder can receive mail addressed to a unit number on Crittenden Drive instead of writing "PO Box." This facility operates with two city carrier routes handling the business and box mail.

Postal Operations

This ZIP is enclosed within the larger 40209 ZIP Code area and works as a postal service point rather than a geographic community. The facility names in the postal records include Louisville CFS Unit, Prospect Annex, and standard USPS building designations. Since this ZIP has a standard sibling (40209), residents in the area receive regular street delivery through neighboring Louisville ZIP Codes while this location specializes in PO Box services.

Street Name Patterns

Pbsa Addressing Facility Operations

Single street used for PO Box Street Addressing, allowing box holders to use a street format for their mailing address.

Nearby Areas

Highland Park South Side Fairgrounds Wilder Park Beechmont
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Population & Demographics


ZIP Code 40221 has 2 residents and 0 households. The median age is 10.0 years, significantly younger than the state (39.4) and significantly younger than the nation (38.8). The gender split is 50.0% male and 50.0% female, which is about the same as the national male share (49.1%). Largest groups are Black or African American (50.0%, much higher than the state average of 8.0% and well above the national average of 12.4%) and White (0.0%, much lower than the state average of 82.4% and well below the national average of 61.6%); Hispanic or Latino residents make up 0.0%, which is much lower than the national average (18.7%), and Black or African American share is much higher than both the state (8.0%) and national averages (12.4%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:2Source: Census DHC
2024 ACS Population Estimate:0Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:13.9 people per sq mile
Average Income:$0Source: Census ACS
Households:0Source: Census DHC
Average House Value:$0Source: Census ACS
Persons Per Household:0.00Source: Census DHC
Average Family Size:0.00Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--0000000000000
Decennial Census0------------------2------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 10

Male Median Age: 2.5

Female Median Age: 17.5

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male100000000000000000
Female000100000000000000
Total100100000000000000
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:00%
Black:1100.00%
Hispanic:*00%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:00%
Total:1100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:150.00%2.5 years
Females:150.00%17.5 years
Total:2100%10.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:00%
Native, born in PR, Island Areas, or abroad:00%
Foreign born, naturalized U.S. citizen:00%
Foreign born, not a U.S. citizen:00%
Total Population:0100%
Total Native Population:00%
Total Foreign-born Population:00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Business & Employment Statistics


ZIP Code 40221 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 37 people with an annual payroll of $903,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:2,839Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:6Source: CBP
1st Quarter Payroll:$247,000Source: CBP
Annual Payroll:$903,000Source: CBP
# of Employees:37Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 40221 is located in Jefferson County, Kentucky, within the Louisville/Jefferson County, KY-IN Metropolitan Statistical Area (CBSA 31140) and Kentucky's 3rd Congressional District. This Metro area has a population of 1,361,847 people, about 0.00% of whom live in ZIP Code 40221. It covers 0.144 sq mi of land and a water area of 0 sq mi.

CBSA Name:Louisville/Jefferson County, KY-INSource: Census
CBSA Number:31140Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:1,361,847Source: Census
MSA:Louisville, KY-IN MSASource: Census
Land Area:0.144 sq miSource: Census
Water Area:--Source: Census
Congressional District:03Source: USPS
Congressional Land Area:319.34 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2148000Source: Census
Place Name:Louisville city; KentuckySource: Census

Adjacent & Nearby ZIP Codes


40222 | | 40220

Schools in ZIP Code 40221


We could not locate which school district 40221 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Jefferson Regional Juvenile Detention Ce 8711 Lagrange Rd Building D
Louisville, KY 40242
District: Jefferson County School DistrictNearby
Jefferson Technical College 727 West Chestnut
Louisville, KY 40203
District: Jefferson County School DistrictNearby
Kentucky Tech - Jefferson Campus 727 West Chestnut St
Louisville, KY 40203
District: Jefferson County School DistrictNearby
J. Graham Brown School 546 South First Street
Louisville, KY 40202
District: Jefferson County School DistrictNearby
Ahrens Educational Resource Center 546 S First St
Louisville, KY 40202
District: Jefferson County School DistrictNearby
St Francis School 233 W Broadway
Louisville, KY 40202
District: Private SchoolNearby
Presentation Academy 861 S 4th St
Louisville, KY 40203
District: Private SchoolNearby
Nativity Academy At St Boniface 529 E Liberty St
Louisville, KY 40202
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 40221


Jefferson Community And Technical College 101 W Broadway
Louisville, KY 40202-2005
Type: Post Secondary
Spalding University 901 S Fourth Street
Louisville, KY 40203-2188
Type: Post Secondary
Simmons College Of Kentucky 1018 South 7th Street
Louisville, KY 40203-3322
Type: Post Secondary
University Of Louisville 2301 S 3rd St
Louisville, KY 40292-0001
Type: Post Secondary
Ideal Beauty Academy 1401 Youngstown Dr
Jeffersonville, IN 47130
Type: Post Secondary
Pj's College Of Cosmetology- Jeffersonville 1710 E. 10th Street
Jeffersonville, IN 47130-6290
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.

  1. U.S. Postal Service [Last Updated: 1/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 1/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 1/1/2026], https://nces.ed.gov