Residential delivery area · Kentucky
ZIP Code 40391: Winchester, KY
ZIP code 40391 uses the postal name Winchester, Kentucky and lies entirely in Clark County (Census 2020 ZIP-county file). About 37,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $64,144 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Winchester, and under 1% in smaller places; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Winchester · its only residential ZIP
- County
- Clark County
- Census places
- Winchester
- Metro area
- Lexington-Fayette, KY
- House district
- KY-6 119th Congress
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 237.3 sq mi · 155 people per sq mi
- PO Box ZIPs
- 40392 also use the name Winchester
Where is ZIP code 40391?
40391 centers on 37.970°, -84.145° and covers 237.3 square miles of land plus 2.4 of water. It borders 10 ZIP codes: 40353, 40509, 40516, 40312, 40515, 40337, 40385, 40361, 40475, 40336.
The map draws ZIP code areas only. For the streets inside 40391, 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 40391 compare with the rest of Clark County?
| Measure | 40391 | In Clark County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 36,796 | 3rd of 4 | 26th of 780 |
| Median household income | $64k | 3rd of 4 | 139th of 310 |
| Median home value | $205k | 3rd of 4 | 102nd of 320 |
Its median household income is higher than in 37% of U.S. residential ZIP codes, and it is denser than 60% 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 40391?
The 2020 Census counted 36,461 people in 40391; the ACS, which samples households over 2020-2024, estimates 36,796. Between the 2010 and 2020 censuses its population grew 3.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 36,796
- 2020 Census count
- 36,461+3.4% since 2010 (35,262)
- Households
- 14,910
- Median age
- 40.4
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 40391?
Of the 36,796 people the ACS estimates in 40391, 22.5% are under 18 and 18.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.0%).
- Under 1822.5%
- 18 to 6459.4%
- 65 and older18.1%
- White, not Hispanic88.0%
- Other or two or more4.3%
- Hispanic or Latino4.2%
- Black, not Hispanic2.8%
- Asian, not Hispanic0.7%
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 40391 earn?
Median household income is $64,144 (ACS 2020-2024), the 3rd highest of the 4 ranked ZIP codes in Clark County. It is not measurably different from 2015-2019 ($67,505 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $64,144
- Income per person
- $37,674
- Below the poverty line
- 14.7%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 22.7%
- Adjusted gross income per tax return, 2022
- $64,96415,890 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 40391?
FHFA's house price index for 40391, built from repeat sales and appraisals of the same homes, rose 86% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +6.5% in 2025.
- Median home value (owners' estimate)
- $204,900
- Median gross rent
- $938
- Homes owned by their occupants
- 70.6%
- Housing units
- 16,243
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 40391?
769 business establishments had a location in this ZIP code in 2023, 47 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade126
- Health care and social assistance119
- Other services (except public administration)81
- Construction74
- Accommodation and food services71
- Professional, scientific, and technical services47
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 40391?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40353 | Mount Sterling | 22,725 | $57k | 12.5 mi |
| 40509 | Lexington | 47,036 | $95k | 12.8 mi |
| 40516 | Lexington | 2,926 | $85k | 13.8 mi |
| 40312 | Clay City | 5,994 | $43k | 14.5 mi |
| 40515 | Lexington | 37,384 | $86k | 15.0 mi |
| 40337 | Jeffersonville | 5,244 | $54k | 15.9 mi |
| 40385 | Waco | 2,233 | $63k | 16.0 mi |
| 40361 | Paris | 18,361 | $63k | 16.4 mi |
| 40475 | Richmond | 65,961 | $63k | 16.8 mi |
| 40336 | Irvine | 12,718 | $46k | 21.6 mi |
| 40357 | North Middletown | 81 | $12k | 12.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Winchester?
1 more ZIP code carries the postal name Winchester, KY without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 40392 | Clark County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.