Residential delivery area · Kentucky
ZIP Code 40437: Hustonville, KY
ZIP code 40437 uses the postal name Hustonville, Kentucky and lies mostly in Casey County (52% of its land) with the rest in Lincoln County (Census 2020 ZIP-county file). About 4,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $53,775 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Hustonville (under 1%) and McKinney (under 1%); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Hustonville · its only residential ZIP
- County
- Casey County (52%); Lincoln County (48%)
- Census places
- Hustonville (under 1%); McKinney (under 1%) census-designated place
- House districts
- KY-1 (52%), KY-5 (48%) 119th Congress, by share of land
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 107.7 sq mi · 42 people per sq mi
Where is ZIP code 40437?
40437 centers on 37.457°, -84.844° and covers 107.7 square miles of land plus 0.3 of water. It borders 9 ZIP codes: 40448, 42541, 40464, 40442, 40484, 42539, 40489, 40328, 40009.
The map draws ZIP code areas only. For the streets inside 40437, 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 40437 compare with the rest of Casey County?
| Measure | 40437 | In Casey County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 4,488 | 3rd of 13 | 218th of 780 |
| Median household income | $54k | 3rd of 4 | 222nd of 310 |
| Median home value | $126k | 3rd of 3 | 241st of 320 |
Its median household income is higher than in 19% 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 40437?
The 2020 Census counted 4,413 people in 40437; the ACS, which samples households over 2020-2024, estimates 4,488. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 4,488±697 (90% margin)
- 2020 Census count
- 4,413
- Households
- 1,902
- Median age
- 44.4
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 40437?
Of the 4,488 people the ACS estimates in 40437, 21.9% are under 18 and 19.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.3%).
- Under 1821.9%
- 18 to 6458.4%
- 65 and older19.7%
- White, not Hispanic94.3%
- Other or two or more4.5%
- Hispanic or Latino0.9%
- Asian, not Hispanic0.2%
- Black, 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 40437 earn?
Median household income is $53,775 (ACS 2020-2024), the 3rd highest of the 4 ranked ZIP codes in Casey County.
- Median household income
- $53,775±$6,394
- Income per person
- $31,220
- Below the poverty line
- 10.5%
- Unemployed (of the labor force)
- 9.3%
- Adults 25+ with a bachelor's degree
- 20.7%
- Adjusted gross income per tax return, 2022
- $53,1901,740 returns; wages 75% 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 40437?
- Median home value (owners' estimate)
- $126,000
- Median gross rent
- $684
- Homes owned by their occupants
- 89.2%
- Housing units
- 2,131
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 40437?
44 business establishments had a location in this ZIP code in 2023, 7 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)12
- Construction9
- Retail trade6
- Finance and insurance4
- Manufacturing3
- Wholesale trade3
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 40437?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40448 | McKinney | 0 | – | 4.7 mi |
| 42541 | Middleburg | 498 | $43k | 6.4 mi |
| 40464 | Parksville | 936 | $67k | 9.1 mi |
| 40442 | Kings Mountain | 781 | – | 9.9 mi |
| 40484 | Stanford | 12,331 | $53k | 10.3 mi |
| 42539 | Liberty | 9,249 | $41k | 11.8 mi |
| 40489 | Waynesburg | 4,538 | $56k | 12.6 mi |
| 40328 | Gravel Switch | 963 | $45k | 12.6 mi |
| 40009 | Bradfordsville | 1,851 | $64k | 13.4 mi |
| 40440 | Junction City | 2,428 | $55k | 8.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.