Residential delivery area · Kentucky
ZIP Code 40010: Buckner, KY
ZIP code 40010 is in Buckner, Kentucky, entirely in Oldham County (Census 2020 ZIP-county file). About 680 people live there (Census Bureau, ACS 2020-2024). Median household income is $196,125 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2023
- ZBP2023
- IRS2022
- Town
- Buckner · its only residential ZIP
- County
- Oldham County
- Census places
- Buckner census-designated place
- Metro area
- Louisville/Jefferson County, KY-IN
- House district
- KY-4 119th Congress
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 1.5 sq mi · 442 people per sq mi
Where is ZIP code 40010?
40010 centers on 38.373°, -85.460° and covers 1.5 square miles of land plus 0.0 of water. It borders 2 ZIP codes: 40014, 40031.
The map draws ZIP code areas only. For the streets inside 40010, 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 40010 compare with the rest of Oldham County?
| Measure | 40010 | In Oldham County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 678 | 9th of 10 | 531st of 780 |
| Median household income | $196k | not ranked | not ranked |
| Median home value | $592k | not ranked | not ranked |
40010's income and home value are not ranked: it has fewer than 1,000 residents (678). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 71% of 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 40010?
The 2020 Census counted 584 people in 40010; the ACS, which samples households over 2020-2024, estimates 678. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 678±186 (90% margin)
- 2020 Census count
- 584
- Households
- 223
- Median age
- 36.2
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 40010?
Of the 678 people the ACS estimates in 40010, 19.6% are under 18 and 2.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (68.6%), then Other or two or more (24.5%).
- Under 1819.6%
- 18 to 6478.0%
- 65 and older2.4%
- White, not Hispanic68.6%
- Other or two or more24.5%
- Hispanic or Latino6.3%
- Black, not Hispanic0.6%
- Asian, not Hispanic0.0%
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 40010 earn?
Median household income is $196,125 (ACS 2020-2024).
- Median household income
- $196,125±$86,975
- Income per person
- $78,777
- Below the poverty line
- 0.0%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 56.9%
- Adjusted gross income per tax return, 2022
- $111,761360 returns; wages 73% 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 40010?
- Median home value (owners' estimate)
- $591,500
- Median gross rent
- –
- Homes owned by their occupants
- 72.2%
- Housing units
- 223
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 40010?
51 business establishments had a location in this ZIP code in 2023, 6 fewer than in 2018; the most are in manufacturing (ZIP Code Business Patterns).
- Manufacturing14
- Construction11
- Administrative and support and waste management and remediation services5
- Wholesale trade4
- Professional, scientific, and technical services4
- Health care and social assistance3
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 40010?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40014 | Crestwood | 23,101 | $121k | 2.6 mi |
| 40031 | La Grange | 26,259 | $99k | 5.1 mi |
| 40026 | Goshen | 5,975 | $134k | 4.6 mi (near) |
| 40056 | Pewee Valley | 3,441 | $134k | 4.7 mi (near) |
| 40059 | Prospect | 20,892 | $153k | 6.7 mi (near) |
| 40245 | Louisville | 39,835 | $123k | 7.3 mi (near) |
| 40241 | Louisville | 30,696 | $94k | 8.0 mi (near) |
| 40077 | Westport | 678 | $73k | 8.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.