Residential delivery area · Kentucky
ZIP Code 42040: Farmington, KY
ZIP code 42040 uses the postal name Farmington, Kentucky and lies mostly in Graves County (80% of its land) with the rest in Calloway County (Census 2020 ZIP-county file). About 690 people live there (Census Bureau, ACS 2020-2024). Median household income is $51,141 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Farmington (a census-designated place); 97% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Farmington · its only residential ZIP
- County
- Graves County (80%); Calloway County (20%)
- Census places
- Farmington census-designated place
- Micro area
- Mayfield, KY
- House district
- KY-1 119th Congress
- State
- Kentucky
- Time zone
- Central
- Land area
- 31.8 sq mi · 22 people per sq mi
Where is ZIP code 42040?
42040 centers on 36.608°, -88.501° and covers 31.8 square miles of land plus 0.2 of water. It borders 5 ZIP codes: 42079, 42054, 42066, 42049, 42071.
The map draws ZIP code areas only. For the streets inside 42040, 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 42040 compare with the rest of Graves County?
| Measure | 42040 | In Graves County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 692 | 14th of 15 | 528th of 780 |
| Median household income | $51k | not ranked | not ranked |
| Median home value | $124k | not ranked | not ranked |
42040's income and home value are not ranked: it has fewer than 1,000 residents (692). 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 27% 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 42040?
The 2020 Census counted 1,028 people in 42040; the ACS, which samples households over 2020-2024, estimates 692. Between the 2010 and 2020 censuses its population fell 5.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 692±198 (90% margin)
- 2020 Census count
- 1,028−5.0% since 2010 (1,082)
- Households
- 309
- Median age
- 51.1
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 42040?
Of the 692 people the ACS estimates in 42040, 16.8% are under 18 and 18.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.2%), then Other or two or more (11.8%).
- Under 1816.8%
- 18 to 6465.0%
- 65 and older18.2%
- White, not Hispanic88.2%
- Other or two or more11.8%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- 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 42040 earn?
Median household income is $51,141 (ACS 2020-2024). It is not measurably different from 2015-2019 ($63,027 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $51,141±$32,390
- Income per person
- $38,994
- Below the poverty line
- 18.6%
- Unemployed (of the labor force)
- 1.1%
- Adults 25+ with a bachelor's degree
- 14.6%
- Adjusted gross income per tax return, 2022
- $60,167490 returns; wages 69% 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 42040?
- Median home value (owners' estimate)
- $123,500
- Median gross rent
- –
- Homes owned by their occupants
- 90.6%
- Housing units
- 386
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 42040?
12 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).
- Construction4
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 42040?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 42079 | Sedalia | 1,315 | $59k | 6.2 mi |
| 42054 | Kirksey | 837 | $59k | 8.8 mi |
| 42066 | Mayfield | 23,917 | $49k | 11.6 mi |
| 42049 | Hazel | 1,311 | $53k | 11.8 mi |
| 42071 | Murray | 30,981 | $50k | 12.3 mi |
| 38226 | Dukedom, TN | 226 | – | 12.6 mi (near) |
| 38251 | Puryear, TN | 3,259 | $54k | 13.0 mi (near) |
| 42020 | Almo | 2,476 | $65k | 13.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.