PlainZIP

Farmington, KY · standard

ZIP Code 42040

Graves County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,082
13/sq mi
$51,141
Median income
$123,500
Median home value
14.6%
Bachelor's or higher

The verdict

Farmington pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

16th pct
household income, US ZIPs
18th pct
home value, US ZIPs
13
people per sq mi
91%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 42040 against every reporting US ZIP.

ZIP code 42040 is a sparsely populated ZIP (a standard USPS delivery area) in Farmington, Graves County, Kentucky, home to just 1,082 residents across 85.2 square miles, a density of 13 people per square mile, in the Chicago time zone.

ZIP 42040 reports a modest median household income of $51,141 (14% below the Kentucky average), while per-capita income is $38,994. Poverty here runs at 18.6%, with unemployment measured at 1.1%. Housing costs here run $123,500 for a typical home value (22% below the state average), with rent averaging - a month; 90.6% of homes are owner-occupied.

Formal educational attainment runs low here: just 14.6% of adults hold a bachelor's degree or higher, the median age is 51.1, and the average commute is -. A geography-based comparison follows: 3 ZIP codes within about 10 miles of 42040, plus 6 more within Graves County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 42040, Farmington, KY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,082

Population

85.2

Area (sq mi)

13

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 42040?

51.1

Median Age

49.1%

Male

50.9%

Female

0.0%

Foreign-Born

White 88.2%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.8%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$51,141

Median Household Income

-14% vs state

$38,994

Per Capita Income

18.6%

Poverty Rate

1.1%

Unemployment Rate

How ZIP 42040 ranks nationally

Farmington, KY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$51,141 16th percentile higher than 16% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 48.8%
Bachelor's Degree or Higher 14.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

386

Total Housing Units

309

Occupied Units

77

Vacant Units

2.24

Avg Household Size

Occupancy Type

Owner 90.6%
Renter 9.4%

$123,500

Median Home Value

-22% vs state

1982

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 12 business establishments in ZIP 42040, employing approximately 39 people with a combined annual payroll of $1,052,000.

12

Businesses

39

Employees

$1.1M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Construction 4 33.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 42040 vs 42079 →

ZIP 42040 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 42040 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 42040 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 42040 ranks #3 of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
42079 Sedalia, KY 1,426 5.8 mi
42054 Kirksey, KY 984 7.6 mi
42066 Mayfield, KY 23,182 10.8 mi

More ZIP Codes in Graves County

42066 standard
Mayfield, KY
Pop: 23,182
42051 standard
Hickory, KY
Pop: 2,840
42088 standard
Wingo, KY
Pop: 2,656
42027 standard
Boaz, KY
Pop: 2,291
42082 standard
Symsonia, KY
Pop: 1,845
42039 standard
Fancy Farm, KY
Pop: 1,751

Related Areas

Graves County Farmington, KY Kentucky

Frequently Asked Questions

What county is ZIP code 42040 in? ▼
ZIP code 42040 (Farmington) is located in Graves County, Kentucky. Graves County contains multiple ZIP codes, see the full list at /counties/graves-ky.
What is the population of ZIP code 42040? ▼
ZIP code 42040 in Farmington, KY has a population of 1,082 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 42040? ▼
The median household income in ZIP 42040 is $51,141, which is 33% below the national average of $76,288.
What is the average home value in ZIP 42040? ▼
The median home value in ZIP 42040 is $123,500, which is 56% below the national average of $278,155.
What is the demographic makeup of ZIP 42040? ▼
The largest racial group in ZIP 42040 is White at 88.2%.
How many businesses are in ZIP code 42040? ▼
ZIP code 42040 has 12 business establishments employing approximately 39 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 42040? ▼
In ZIP code 42040, 48.8% of residents aged 25+ have a high school diploma or higher, and 14.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 42040? ▼
In ZIP code 42040, approximately 90.6% of occupied housing units are owner-occupied and 9.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 42040? ▼
The poverty rate in ZIP code 42040 is 18.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.