Residential delivery area · Kentucky
ZIP Code 42437: Morganfield, KY
ZIP code 42437 uses the postal name Morganfield, Kentucky and lies mostly in Union County (97% of its land) with the rest in Webster County (Census 2020 ZIP-county file). About 7,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $65,256 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Morganfield (2%) and Breckinridge Center (2%); 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Morganfield · its only residential ZIP
- County
- Union County (97%); Webster County (3%)
- Census places
- Morganfield (2%); Breckinridge Center (2%) census-designated place
- House district
- KY-1 119th Congress
- State
- Kentucky
- Time zone
- Central
- Land area
- 169.1 sq mi · 42 people per sq mi
Where is ZIP code 42437?
42437 centers on 37.649°, -87.915° and covers 169.1 square miles of land plus 1.8 of water. It borders 6 ZIP codes: 42459, 42462, 42461, 42404, 42406, 42409.
The map draws ZIP code areas only. For the streets inside 42437, 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 42437 compare with the rest of Union County?
| Measure | 42437 | In Union County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 7,064 | 1st of 5 | 163rd of 780 |
| Median household income | $65k | 2nd of 5 | 129th of 310 |
| Median home value | $110k | 3rd of 5 | 269th of 320 |
Its median household income is higher than in 39% of U.S. residential ZIP codes, and it is denser than 39% 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 42437?
The 2020 Census counted 7,422 people in 42437; the ACS, which samples households over 2020-2024, estimates 7,064. Between the 2010 and 2020 censuses its population fell 10.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 7,064
- 2020 Census count
- 7,422−10.8% since 2010 (8,324)
- Households
- 2,614
- Median age
- 39.6
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 42437?
Of the 7,064 people the ACS estimates in 42437, 19.1% are under 18 and 19.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.8%).
- Under 1819.1%
- 18 to 6461.3%
- 65 and older19.7%
- White, not Hispanic84.8%
- Black, not Hispanic8.8%
- Other or two or more3.8%
- Hispanic or Latino2.5%
- Asian, not Hispanic0.1%
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 42437 earn?
Median household income is $65,256 (ACS 2020-2024), the 2nd highest of the 5 ranked ZIP codes in Union County. It rose from $54,543 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $65,256
- Income per person
- $30,720
- Below the poverty line
- 25.2%
- Unemployed (of the labor force)
- 3.6%
- Adults 25+ with a bachelor's degree
- 13.5%
- Adjusted gross income per tax return, 2022
- $66,8312,970 returns; wages 64% 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 42437?
- Median home value (owners' estimate)
- $109,800
- Median gross rent
- $849
- Homes owned by their occupants
- 66.7%
- Housing units
- 2,987
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 42437?
165 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance28
- Retail trade27
- Accommodation and food services16
- Finance and insurance15
- Wholesale trade11
- Other services (except public administration)11
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 42437?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 42459 | Sturgis | 3,903 | $52k | 8.0 mi |
| 42462 | Waverly | 1,546 | $66k | 9.1 mi |
| 42461 | Uniontown | 1,285 | $48k | 10.3 mi |
| 42404 | Clay | 2,109 | $61k | 12.3 mi |
| 42406 | Corydon | 2,345 | $63k | 13.0 mi |
| 42409 | Dixon | 2,293 | $60k | 14.4 mi |
| 42463 | Wheatcroft | 84 | $36k | 12.5 mi (near) |
| 62984 | Shawneetown, IL | 1,393 | $50k | 14.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.