Fayette

Source:

Kentucky

Fayette is a county in Kentucky with 15 ZIP codes and a total population of 296,965. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

Fayette is a county inside Kentucky (FIPS code 21067) that contains 15 USPS ZIP codes covering a combined population of 296,965 according to Census ACS 5-Year Estimates. Counties are the natural bridge between state-level summaries and ZIP-level detail — crime statistics, HUD Fair Market Rents, and childcare pricing are all published at the county level, while household income and housing values are published at the ZIP level. This page reconciles the two views so you can see which ZIPs drive the county totals.

The 15 ZIPs listed below are ordered by population and each links to the full ZIP detail page with Census demographics, housing, income, home-price history, and cross-agency inputs. The most populated ZIP in Fayette is 40517 covering Lexington with 35,227 residents at 2,203 people per square mile. Population density across ZIPs in this county varies — use the density column to spot urban cores versus rural delivery areas. A single county can contain both a dense downtown ZIP and a large rural ZIP covering several hundred square miles.

Because Fayette uses FIPS code 21067, it joins cleanly to county-level federal datasets: HUD Fair Market Rent tables, FBI Uniform Crime Report data, and the Department of Labor National Database of Childcare Prices all key off the same code. That is how neighborhood scorecards combine ZIP-level Census demographics with county-level safety and affordability metrics. All data on this page comes from U.S. Census Bureau ACS 2023 5-Year Estimates and USPS ZIP Code Tabulation Area files — no estimates, no proprietary sources, no editorial scoring.

15

Total ZIPs

296,965

Total Population

ZIP Codes in Fayette

Side-by-side: Compare 40517 vs 40515 →

ZIP Code City Population Density
40517 Lexington 35,227 2,203
40515 Lexington 33,595 231
40509 Lexington 32,364 304
40511 Lexington 31,798 139
40503 Lexington 28,003 1,222
40505 Lexington 26,040 1,260
40502 Lexington 25,709 1,379
40504 Lexington 25,655 1,630
40508 Lexington 23,569 2,135
40514 Lexington 14,647 1,909
40513 Lexington 10,994 294
40516 Lexington 2,877 32
40506 Lexington 2,802 12,397
40510 Lexington 1,928 35
40507 Lexington 1,757 1,630

What are common questions about ZIP codes in this county?

What is the population of Fayette?
Fayette has a total population of 296,965 across 15 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Fayette?
Fayette includes 15 ZIP codes: 40517, 40515, 40509, 40511, 40503, 40505, 40502, 40504, 40508, 40514, and more.
What is the median household income in Fayette?
Median household income data for individual ZIP codes in Fayette is available on each ZIP code's detail page. Visit any ZIP code link below to see income, housing, and demographic data.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.