Residential delivery area · Kentucky
ZIP Code 40509: Lexington, KY
ZIP code 40509 uses the postal name Lexington, Kentucky and lies mostly in Fayette County (92% of its land) with the rest in Clark County (Census 2020 ZIP-county file). About 47,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Lexington's 16 residential ZIP codes. Median household income is $94,804 (Census Bureau, ACS 2020-2024). Most of its land (92%) lies in the city of Lexington-Fayette.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lexington · 16 residential ZIPs
- County
- Fayette County (92%); Clark County (8%)
- Census places
- Lexington-Fayette
- Metro area
- Lexington-Fayette, KY
- House district
- KY-6 119th Congress
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 47.8 sq mi · 984 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 40509?
40509 centers on 37.997°, -84.377° and covers 47.8 square miles of land plus 0.2 of water. It borders 6 ZIP codes: 40516, 40502, 40515, 40505, 40517, 40391.
The map draws ZIP code areas only. For the streets inside 40509, 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 40509 compare with the rest of Lexington?
| Measure | 40509 | In Lexington | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 47,036 | 1st of 16 | 7th of 780 |
| Median household income | $95k | 4th of 13 | 32nd of 310 |
| Median home value | $366k | 4th of 13 | 13th of 320 |
Its median household income is higher than in 77% of U.S. residential ZIP codes, and it is denser than 78% 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 40509?
The 2020 Census counted 44,572 people in 40509; the ACS, which samples households over 2020-2024, estimates 47,036. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 47,036
- 2020 Census count
- 44,572
- Households
- 19,395
- Median age
- 35.8
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 40509?
Of the 47,036 people the ACS estimates in 40509, 26.2% are under 18 and 13.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (63.3%), then Black (not Hispanic) (16.1%).
- Under 1826.2%
- 18 to 6460.3%
- 65 and older13.4%
- White, not Hispanic63.3%
- Black, not Hispanic16.1%
- Asian, not Hispanic7.7%
- Hispanic or Latino7.0%
- Other or two or more5.9%
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 40509 earn?
Median household income is $94,804 (ACS 2020-2024), the 4th highest of the 13 ranked ZIP codes in Lexington.
- Median household income
- $94,804±$9,939
- Income per person
- $51,034
- Below the poverty line
- 8.4%
- Unemployed (of the labor force)
- 3.5%
- Adults 25+ with a bachelor's degree
- 57.4%
- Adjusted gross income per tax return, 2022
- $98,60921,090 returns; wages 70% 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 40509?
FHFA's house price index for 40509, built from repeat sales and appraisals of the same homes, rose 91% from 2015 to 2025 and rose 54% from 2020 to 2025, and moved +2.1% in 2025.
- Median home value (owners' estimate)
- $366,300
- Median gross rent
- $1,394
- Homes owned by their occupants
- 60.7%
- Housing units
- 20,190
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 40509?
1,586 business establishments had a location in this ZIP code in 2023, 186 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services226
- Health care and social assistance222
- Retail trade210
- Accommodation and food services152
- Finance and insurance130
- Other services (except public administration)114
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 40509?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40516 | Lexington | 2,926 | $85k | 5.2 mi |
| 40502 | Lexington | 26,122 | $77k | 5.8 mi |
| 40515 | Lexington | 37,384 | $86k | 6.0 mi |
| 40505 | Lexington | 25,594 | $58k | 6.2 mi |
| 40517 | Lexington | 35,656 | $54k | 6.2 mi |
| 40391 | Winchester | 36,796 | $64k | 12.8 mi |
| 40526 | Lexington | 2,383 | – | 7.1 mi (near) |
| 40507 | Lexington | 2,159 | $41k | 7.3 mi (near) |
| 40536 | Lexington | 0 | – | 7.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.