Zip Code 40509
Lexington, Kentucky — Fayette County
📍 ZIP code 40509 is in Lexington, Fayette County, Kentucky.
ZIP code 40509 is located in Lexington, Fayette County, Kentucky. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 45,135. The area code for ZIP code 40509 is 606.
Quick Answer
Zip code 40509 is in Lexington, Kentucky (Fayette County). It has a population of 45,135, median household income of $89,429, and median home value of $338,200.
Population
45,135
Income
$89,429
Home Value
$338,200
Climate
87°F / 25°F
About Zip Code 40509
Zip code 40509 is located in Lexington, Kentucky, within Fayette County. Home to approximately 45,135 residents, this area sits at an elevation of 1049 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 606.
The median household income is $89,429 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $338,200, and the cost of living index is 116 (16% above the national average of 100).
Summers average a high of 87°F while winters drop to 25°F. The area receives about 50 in of rain and 15 in of snow annually. The zip code covers 41.1 square miles of land area and 0.2 square miles of water.
Key Statistics
45,135
$89,429
$338,200
Eastern (EST/EDT)
606
1049 ft
41.1 sq mi
36.5
19,802
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Compare With Nearby Zip Codes
| Metric | 40509 | 40516 | 40515 | 40502 | 40505 | 40517 |
|---|---|---|---|---|---|---|
| City | Lexington, KY | Lexington, KY | Lexington, KY | Lexington, KY | Lexington, KY | Lexington, KY |
| Population | 45,135 | 2,809 | 36,787 | 26,593 | 25,855 | 36,396 |
| Median Income | $89,429 | $85,655 | $83,782 | $73,939 | $58,922 | $51,778 |
| Home Value | $338,200 | $249,800 | $317,400 | $483,600 | $166,300 | $196,300 |
| Cost of Living | 116 | 91 | 107 | 135 | 63 | 64 |
| Median Age | 36.5 | 37.4 | 37.7 | 39.5 | 40.3 | 31 |
Cost of Living
100 = National Average. Lexington's cost of living is 16% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
3.8x
Demographics
Zip code 40509 has a population of 45,135 people with a median age of 36.5. There are 19,802 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Lexington (40509) population trend from 2010 to 2024
↑ 24.8%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
25°F
50 in
15 in
Lexington experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 25°F. The area receives about 15 in of snow per year.
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Housing & Economy
Median Home Value
$338,200
Median Household Income
$89,429
With 19,802 housing units across 41.1 square miles, 40509 has a housing density of 482 units per square mile. The home price-to-income ratio is 3.8x.
Location & Geography
Latitude
37.9973°
Longitude
-84.3779°
Land Area
41.1 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 40509 (Lexington, KY) with distances:
All Zip Codes in Lexington, KY
Other zip codes serving Lexington:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 40509's $89,429. A way to compare Lexington to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 40509 (Lexington, KY). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Lexington, Kentucky?
Lexington, Kentucky uses zip code 40509 along with 4 other zip codes.
What county is zip code 40509 in?
Zip code 40509 is located in Fayette County, Kentucky.
What is the population of zip code 40509?
The population of zip code 40509 is 45,135 with a median age of 36.5.
Is 40509 in Lexington, Kentucky?
Yes, zip code 40509 is in Lexington, Fayette County, Kentucky. The area code is 606.
Frequently Asked Questions
What city is zip code 40509 in?
Zip code 40509 is in Lexington, Kentucky. It is part of Fayette County and uses the Eastern (EST/EDT) timezone.
What is zip code 40509?
Zip code 40509 is a U.S. postal code in Lexington, Kentucky (Fayette County). It has a population of 45,135 and covers 41.1 square miles.
What is the population of zip code 40509?
The population of zip code 40509 (Lexington, KY) is 45,135 with a median age of 36.5. There are approximately 19,802 housing units in this area.
What is the median income in zip code 40509?
The median household income in zip code 40509 (Lexington, KY) is $89,429 per year. The cost of living index is 116 (100 = national average).
What is the average home price in zip code 40509?
The median home value in zip code 40509 (Lexington, KY) is $338,200. The cost of living index is 116 compared to the national average of 100.
What county is zip code 40509 in?
Zip code 40509 is located in Fayette County, Kentucky. The primary city is Lexington.
What is the area code for zip code 40509?
Zip code 40509 in Lexington, KY uses area code 606. It is located in the Eastern (EST/EDT) timezone.
Is zip code 40509 a good place to live?
Zip code 40509 (Lexington, KY) has a cost of living index of 116 (100 = national average), a median household income of $89,429, and median home values of $338,200. The median age is 36.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 40509?
The cost of living index for zip code 40509 (Lexington, KY) is 116, where 100 represents the national average. This area is above the national average. Median home value: $338,200.
What schools serve zip code 40509?
Zip code 40509 in Lexington, Kentucky is served by the local school district of Fayette County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.