Residential delivery area · Kentucky
ZIP Code 40504: Lexington, KY
ZIP code 40504 uses the postal name Lexington, Kentucky and lies entirely in Fayette County (Census 2020 ZIP-county file). About 26,000 people live there (Census Bureau, ACS 2020-2024), the 7th most populous of Lexington's 16 residential ZIP codes. Median household income is $46,055 (Census Bureau, ACS 2020-2024). Most of its land (100%) lies in the city of Lexington-Fayette.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lexington · 16 residential ZIPs
- County
- Fayette County
- Census places
- Lexington-Fayette
- Metro area
- Lexington-Fayette, KY
- House district
- KY-6 119th Congress
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 6.2 sq mi · 4,188 people per sq mi
- PO Box ZIPs
- 23 more ZIP codes use the name Lexington for PO boxes or single organizations
Where is ZIP code 40504?
40504 centers on 38.042°, -84.544° and covers 6.2 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 40508, 40503, 40510, 40513, 40511.
The map draws ZIP code areas only. For the streets inside 40504, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 40504 compare with the rest of Lexington?
| Measure | 40504 | In Lexington | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 25,816 | 7th of 16 | 50th of 780 |
| Median household income | $46k | 12th of 13 | 268th of 310 |
| Median home value | $223k | 10th of 13 | 78th of 320 |
Its median household income is higher than in 10% of U.S. residential ZIP codes, and it is denser than 92% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 40504?
The 2020 Census counted 26,042 people in 40504; the ACS, which samples households over 2020-2024, estimates 25,816. Between the 2010 and 2020 censuses its population grew 1.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 25,816
- 2020 Census count
- 26,042+1.5% since 2010 (25,655)
- Households
- 12,412
- Median age
- 29.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 40504?
Of the 25,816 people the ACS estimates in 40504, 17.1% are under 18 and 12.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (59.0%), then Hispanic or Latino (18.5%).
- Under 1817.1%
- 18 to 6470.2%
- 65 and older12.7%
- White, not Hispanic59.0%
- Hispanic or Latino18.5%
- Black, not Hispanic16.7%
- Other or two or more4.1%
- Asian, not Hispanic1.7%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 40504 earn?
Median household income is $46,055 (ACS 2020-2024), the 12th highest of the 13 ranked ZIP codes in Lexington. It is not measurably different from 2015-2019 ($43,721 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $46,055±$5,147
- Income per person
- $29,991
- Below the poverty line
- 28.6%
- Unemployed (of the labor force)
- 5.7%
- Adults 25+ with a bachelor's degree
- 33.1%
- Adjusted gross income per tax return, 2022
- $51,88310,610 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 40504?
FHFA's house price index for 40504, built from repeat sales and appraisals of the same homes, rose 115% from 2015 to 2025 and rose 63% from 2020 to 2025, and moved +4.7% in 2025.
- Median home value (owners' estimate)
- $222,600
- Median gross rent
- $970
- Homes owned by their occupants
- 34.0%
- Housing units
- 13,312
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 40504?
684 business establishments had a location in this ZIP code in 2023, 21 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance138
- Other services (except public administration)69
- Retail trade68
- Accommodation and food services66
- Professional, scientific, and technical services63
- Finance and insurance60
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 40504?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40508 | Lexington | 23,756 | $29k | 2.2 mi |
| 40503 | Lexington | 27,451 | $77k | 2.6 mi |
| 40510 | Lexington | 1,904 | $162k | 2.9 mi |
| 40513 | Lexington | 11,032 | $128k | 3.8 mi |
| 40511 | Lexington | 38,176 | $80k | 8.2 mi |
| 40536 | Lexington | 0 | – | 2.2 mi (near) |
| 40526 | Lexington | 2,383 | – | 2.5 mi (near) |
| 40507 | Lexington | 2,159 | $41k | 2.6 mi (near) |
| 40502 | Lexington | 26,122 | $77k | 4.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.