42040 ZIP Code — Farmington, KY

Graves County, Kentucky

ZIP code 42040 is located in Farmington, Kentucky, within Graves County. It covers approximately 31.76 square miles and serves a population of 845 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 270/364.

About ZIP code 42040

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $116,900. Owner-occupancy is high at 92%, well above the national average.

Median household income is $57,794. Poverty affects 19% of residents, above the national average.

The dominant occupation class is natural resources, construction, and trades, with manufacturing as the leading industry. The average commute of 20 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

Overall, ZIP code 42040 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and high homeownership.

845
population
31.76
sq mi land
Standard
ZIP type
Central (CT)
timezone
42040 ZIP code map
Cities in ZIP code 42040

Below are the cities the US Postal Service accepts for ZIP code 42040. Using any city not on this list may result in mail delivery delays.

City Status
Farmington Acceptable
Farmington Preferred
Nearby ZIP codes
42079 Sedalia (4.2 mi) 42054 Kirksey (9.5 mi) 42066 Mayfield (10.8 mi) 42049 Hazel (11.2 mi) 42088 Wingo (11.9 mi) 38226 Dukedom (12.7 mi) 38241 Palmersville (13.3 mi) 42071 Murray (13.3 mi) 38224 Cottage Grove (14.1 mi) 42020 Almo (14.4 mi) 38251 Puryear (14.8 mi) 42085 Water Valley (15.7 mi)
Demographics updated 05/2026
Population
Total population 845
Population density 27 / sq mi
State FIPS 21
County FIPS 083
Geography
Land area 31.76 sq mi
Water area 0.22 sq mi
Latitude 36.6000
Longitude -88.5123
Timezone Central (CT)
Area code 270/364
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 38.1% 52.0% 47.9%
$50k – $100k 37.5% 32.6% 30.3%
$100k – $200k 21.0% 12.8% 17.6%
Over $200k 3.4% 2.7% 4.2%

Demographics & statistics

845
Population
27
People per sq mi
37.1
Median age
$57,794
Median household income
$33,181
Per capita income
$116,900
Median home value
$0
Median monthly rent
92.3%
Home ownership
18.5%
Poverty rate
1.0%
Unemployment
420
Housing units
15.4%
Bachelor's or higher

Age distribution

Male Female
13
Under 5
13
64
5–9
60
32
10–14
30
19
15–19
17
17
20–24
16
51
25–34
49
61
35–44
57
31
45–54
29
57
55–59
54
22
60–64
20
35
65–74
33
33
75–84
32
← Male
Female →

Age summary

GroupCount%
Under 1823527.8%
18 and over61072.2%
65 and over13315.7%
Median age37.1 years

Race & ethnicity

White 82.9%
Two or more races 12.9%
Hispanic or Latino 3.2%
Other race 0.9%
GroupCount%
White72482.9%
Two or more races11312.9%
Hispanic or Latino283.2%
Other race80.9%

Household income

Income range This ZIP County avg State avg
Under $50k 38.1% 52.0% 47.9%
$50k – $100k 37.5% 32.6% 30.3%
$100k – $200k 21.0% 12.8% 17.6%
Over $200k 3.4% 2.7% 4.2%
Under $10k 4.4%
$10k–$15k 14.0%
$15k–$25k 4.4%
$25k–$35k 3.3%
$35k–$50k 20.9%
$50k–$75k 9.1%
$75k–$100k 9.9%
$100k–$150k 27.5%
$150k–$200k 4.9%
$200k+ 1.6%
Range% of households
Under $10k4.4%
$10k–$15k14.0%
$15k–$25k4.4%
$25k–$35k3.3%
$35k–$50k20.9%
$50k–$75k9.1%
$75k–$100k9.9%
$100k–$150k27.5%
$150k–$200k4.9%
$200k+1.6%
Median income$57,794

Housing

Home values

Under $50k 12.5%
$50k–$100k 31.3%
$100k–$150k 14.9%
$150k–$200k 10.4%
$200k–$300k 20.2%
$300k–$500k 7.7%
$500k–$1M 3.0%

Housing overview

MetricValue
Median home value$116,900
Median rent / month$0
Owner occupied92.3%
Renter occupied7.7%
Vacant18.8%
Single-family detached90.2%
Large apartment buildings0.0%
Mobile homes7.8%
Median rooms6.7
Avg household size (owned)2.39

Year built

Era%
2020 or later0.0%
2010–20194.5%
2000–20097.4%
1990–19995.6%
1980–198927.7%
1970–197911.6%
1960–196913.2%
1950–19599.8%
1940–19493.1%
1939 or earlier17.2%

Bedrooms

Size% of units
No bedroom (studio)2.2%
1 bedroom1.8%
2 bedrooms15.0%
3 bedrooms59.4%
4 bedrooms21.7%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle4.4%
1 vehicle26.1%
2 vehicles32.4%
3 or more37.1%

Heating fuel

Fuel type%
Utility gas26.6%
Electricity33.5%
Propane / LP gas37.6%
Wood2.2%

Households & families

Household typeCount%
Married-couple family19252.7%
Cohabiting couple4612.6%
Male householder, no spouse4512.4%
Female householder, no spouse8122.3%
Households with children under 1811531.6%
Households with seniors (65+)9826.9%
Average household size2.32

Marital status

StatusMaleFemale
Never married17.7%14.8%
Married60.8%64.7%
Separated0.0%1.3%
Widowed1.9%7.6%
Divorced19.6%11.7%

Education

Less than 9th grade 0.0%
Some HS, no diploma 3.2%
HS graduate 37.8%
Some college, no degree 31.9%
Associate's degree 11.7%
Bachelor's degree 8.7%
Graduate / professional 6.7%
Metric%
HS diploma or higher96.8%
Bachelor's or higher15.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten3511.9%
Elementary school15151.5%
High school237.8%
College / grad school8428.7%

Employment

Industry of employment

Manufacturing 26.8%
Education & healthcare 22.2%
Construction 17.8%
Transportation & utilities 12.9%
Wholesale trade 5.6%
Finance & real estate 5.4%
Retail trade 2.9%
Public administration 2.0%
Agriculture & mining 1.5%
Arts, food & hospitality 1.5%
Other services 1.5%

Occupation

Category%
Management, business & arts25.9%
Service7.3%
Sales & office22.2%
Natural resources & construction31.0%
Production & transportation13.7%

Employment type

Type%
Private sector87.1%
Government11.2%
Self-employed1.7%
Unpaid family workers0.0%

Commute

Method%
Drive alone92.5%
Carpool0.0%
Public transit0.0%
Walk0.0%
Work from home7.5%
Other means0.0%
Avg commute (minutes)20.2

Poverty

All people 18.5%
Under 18 years 20.0%
18 and over 17.9%
Married-couple families 3.1%
Female-led households 56.3%

Income support

Source% of households
Social Security26.9%
Retirement income22.3%
Supplemental Security7.7%
Cash public assistance0.0%
Food stamps / SNAP2.5%

Health indicators

Condition%
Obesity36.6%
High blood pressure40.4%
High cholesterol37.2%
Diabetes11.1%
Heart disease7.5%
Stroke3.3%
Asthma10.8%
Arthritis31.0%
Kidney disease3.0%
Pulmonary disease9.7%
Cancer7.0%
Behavior / access%
Smoking21.5%
Binge drinking15.9%
No physical activity28.0%
Less than 7 hrs sleep37.6%
Depression24.7%
Fair or poor health18.2%
Poor mental health17.1%
Poor physical health13.1%
No health insurance9.5%
Visited doctor (checkup)77.0%
Visited dentist56.8%
Cholesterol screening90.4%
Teeth loss16.4%

Veterans & disability

VeteransCount%
Civilian veterans365.9%
Disability%
Any disability15.1%
Under 1814.5%
18–64 years11.3%
65 and over30.1%

Health insurance coverage

Type%
Private insurance73.1%
Public insurance35.4%
No insurance10.2%
Uninsured under 1918.7%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only81996.9%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)83799.1%
Born in same state83799.1%
Born in different state66078.1%
Foreign born00.0%
Naturalized citizen80.9%
Not a US citizen8100.0%

Ancestry

AncestryCount%
Italian8810.4%
Arab586.9%
AncestryCount%
French333.9%
English263.1%

Technology access

Metric% of households
Computer access43.1%
Internet access91.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 42040

What city is ZIP code 42040 in?

ZIP code 42040 is primarily assigned to Farmington, Kentucky.

What county is ZIP code 42040 in?

ZIP code 42040 falls within Graves County, Kentucky.

Is ZIP code 42040 mostly owner-occupied?

92% of occupied units in ZIP code 42040 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 42040?

19% of residents in ZIP code 42040 live below the poverty line, above the national average.

What is the typical home value in ZIP code 42040?

The median home value in ZIP code 42040 is $116,900.

What is the population of ZIP code 42040?

ZIP code 42040 has an estimated population of 845 residents, with a density of 27 people per square mile.

What timezone is ZIP code 42040 in?

ZIP code 42040 observes the CST timezone.

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