Residential delivery area · Kentucky
ZIP Code 42378: Whitesville, KY
ZIP code 42378 uses the postal name Whitesville, Kentucky and lies mostly in Ohio County (63% of its land) with the rest in Daviess County (Census 2020 ZIP-county file). About 3,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $73,419 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Whitesville; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Whitesville · its only residential ZIP
- County
- Ohio County (63%); Daviess County (37%)
- Census places
- Whitesville
- House district
- KY-2 119th Congress
- State
- Kentucky
- Time zone
- Central
- Land area
- 61.3 sq mi · 57 people per sq mi
Where is ZIP code 42378?
42378 centers on 37.655°, -86.874° and covers 61.3 square miles of land plus 0.4 of water. It borders 5 ZIP codes: 42366, 42368, 42347, 42343, 42376.
The map draws ZIP code areas only. For the streets inside 42378, 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 42378 compare with the rest of Ohio County?
| Measure | 42378 | In Ohio County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 3,513 | 5th of 17 | 247th of 780 |
| Median household income | $73k | 3rd of 7 | 86th of 310 |
| Median home value | $181k | 3rd of 7 | 138th of 320 |
Its median household income is higher than in 52% of U.S. residential ZIP codes, and it is denser than 45% 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 42378?
The 2020 Census counted 3,277 people in 42378; the ACS, which samples households over 2020-2024, estimates 3,513. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 3,513±465 (90% margin)
- 2020 Census count
- 3,277
- Households
- 1,451
- Median age
- 40.5
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 42378?
Of the 3,513 people the ACS estimates in 42378, 25.7% are under 18 and 17.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.2%).
- Under 1825.7%
- 18 to 6456.6%
- 65 and older17.7%
- White, not Hispanic97.2%
- Other or two or more1.5%
- Hispanic or Latino1.0%
- Black, not Hispanic0.3%
- 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 42378 earn?
Median household income is $73,419 (ACS 2020-2024), the 3rd highest of the 7 ranked ZIP codes in Ohio County.
- Median household income
- $73,419±$15,681
- Income per person
- $37,345
- Below the poverty line
- 6.8%
- Unemployed (of the labor force)
- 3.1%
- Adults 25+ with a bachelor's degree
- 23.2%
- Adjusted gross income per tax return, 2022
- $64,1851,500 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 42378?
FHFA's house price index for 42378, built from repeat sales and appraisals of the same homes, rose 89% from 2015 to 2025 and rose 61% from 2020 to 2025.
- Median home value (owners' estimate)
- $181,400
- Median gross rent
- $873
- Homes owned by their occupants
- 90.1%
- Housing units
- 1,486
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 42378?
45 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction18
- Other services (except public administration)8
- Retail trade4
- Health care and social assistance4
- Transportation and warehousing3
- Administrative and support and waste management and remediation services3
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 42378?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 42366 | Philpot | 5,851 | $88k | 5.9 mi |
| 42368 | Reynolds Station | 989 | $76k | 7.8 mi |
| 42347 | Hartford | 5,829 | $61k | 9.1 mi |
| 42343 | Fordsville | 1,267 | $53k | 9.9 mi |
| 42376 | Utica | 6,886 | $76k | 11.9 mi |
| 42338 | Dundee | 12 | – | 8.4 mi (near) |
| 42303 | Owensboro | 42,119 | $65k | 12.0 mi (near) |
| 42348 | Hawesville | 4,713 | $57k | 13.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.