Residential delivery area · Kentucky
ZIP Code 40503: Lexington, KY
ZIP code 40503 uses the postal name Lexington, Kentucky and lies entirely in Fayette County (Census 2020 ZIP-county file). About 27,000 people live there (Census Bureau, ACS 2020-2024), the 5th most populous of Lexington's 16 residential ZIP codes. Median household income is $76,482 (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
- 8.8 sq mi · 3,107 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 40503?
40503 centers on 38.006°, -84.533° and covers 8.8 square miles of land plus 0.0 of water. It borders 8 ZIP codes: 40536, 40514, 40504, 40502, 40517, 40508, 40513, 40515.
The map draws ZIP code areas only. For the streets inside 40503, 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 40503 compare with the rest of Lexington?
| Measure | 40503 | In Lexington | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 27,451 | 5th of 16 | 42nd of 780 |
| Median household income | $77k | 9th of 13 | 74th of 310 |
| Median home value | $297k | 7th of 13 | 36th of 320 |
Its median household income is higher than in 57% of U.S. residential ZIP codes, and it is denser than 89% 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 40503?
The 2020 Census counted 28,073 people in 40503; the ACS, which samples households over 2020-2024, estimates 27,451. Between the 2010 and 2020 censuses its population grew 0.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 27,451
- 2020 Census count
- 28,073+0.2% since 2010 (28,003)
- Households
- 12,615
- Median age
- 37.2
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 40503?
Of the 27,451 people the ACS estimates in 40503, 18.0% are under 18 and 17.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.6%).
- Under 1818.0%
- 18 to 6464.9%
- 65 and older17.1%
- White, not Hispanic80.6%
- Hispanic or Latino6.8%
- Asian, not Hispanic6.4%
- Other or two or more4.3%
- Black, not Hispanic2.0%
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 40503 earn?
Median household income is $76,482 (ACS 2020-2024), the 9th highest of the 13 ranked ZIP codes in Lexington. It is not measurably different from 2015-2019 ($78,973 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $76,482
- Income per person
- $48,091
- Below the poverty line
- 12.7%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 56.4%
- Adjusted gross income per tax return, 2022
- $82,62713,000 returns; wages 64% 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 40503?
FHFA's house price index for 40503, built from repeat sales and appraisals of the same homes, rose 103% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +4.5% in 2025.
- Median home value (owners' estimate)
- $296,800
- Median gross rent
- $1,168
- Homes owned by their occupants
- 61.7%
- Housing units
- 13,365
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 40503?
1,500 business establishments had a location in this ZIP code in 2023, 39 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade307
- Health care and social assistance306
- Professional, scientific, and technical services153
- Accommodation and food services142
- Finance and insurance117
- Other services (except public administration)116
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 40503?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40536 | Lexington | 0 | – | 2.2 mi |
| 40514 | Lexington | 16,961 | $96k | 2.3 mi |
| 40504 | Lexington | 25,816 | $46k | 2.6 mi |
| 40502 | Lexington | 26,122 | $77k | 2.8 mi |
| 40517 | Lexington | 35,656 | $54k | 2.9 mi |
| 40508 | Lexington | 23,756 | $29k | 4.0 mi |
| 40513 | Lexington | 11,032 | $128k | 4.0 mi |
| 40515 | Lexington | 37,384 | $86k | 9.1 mi |
| 40526 | Lexington | 2,383 | – | 2.4 mi (near) |
| 40507 | Lexington | 2,159 | $41k | 3.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.