Farmington ZIP Codes — Graves County, KY

There is one unique ZIP code in Farmington, Kentucky and it is 42040. Area code: 270/364.
1
ZIP codes
31.76
sq mi land
0.22
sq mi water
270/364
area code
Farmington, KY ZIP code map

About Farmington, KY

Farmington, Kentucky is a small rural community located in Graves County in the western part of the state, serving as a quiet residential and agricultural hub for residents in the Purchase Region of Kentucky. The community is served by a single ZIP code, 42040, making it easy to identify and reach by mail and delivery services. Farmington reflects the charm and simplicity of small-town Kentucky life, offering a close-knit atmosphere surrounded by the gently rolling farmland that defines this corner of the Bluegrass State.

Location & geography

Farmington is situated in Graves County in the Jackson Purchase region of far western Kentucky, a flat-to-gently-rolling landscape shaped by centuries of agricultural use. The community lies within reasonable driving distance of Mayfield, the Graves County seat, as well as Murray to the southeast, Paducah to the north, and Fulton to the southwest. Farmington covers a total land area of 31.76 square miles and a water area of 0.22 square miles, with small creeks and drainage features typical of this low-lying western Kentucky terrain.

Community & economy

Farmington is a tightly knit rural community where agriculture forms the backbone of daily life, with row crops such as corn, soybeans, and wheat commonly grown across the surrounding countryside. Residents enjoy a slower pace of life with access to local schools, churches, and community gatherings that reinforce the strong sense of neighborly identity found throughout Graves County. Many working families in the area commute to nearby Mayfield or Paducah for employment in manufacturing, healthcare, and retail, while still choosing to call Farmington home for its peaceful setting and affordable land.

Transportation

Farmington is accessible via rural state and county roads that connect it to the broader highway network of western Kentucky, with U.S. Highway 45 and the Purchase Parkway serving as major regional arteries within reasonable distance. The nearest commercial airport is Barkley Regional Airport in Paducah, Kentucky, which offers regional flights and is located approximately 30 to 40 miles north of the Farmington area. Public transit options in this rural setting are limited, making personal vehicle ownership the primary mode of transportation for most residents.

History

Farmington, like many small communities in the Jackson Purchase region, developed in the early to mid-1800s as settlers moved into far western Kentucky following the land purchase negotiated with the Chickasaw Nation in 1818. Agriculture, particularly tobacco and later row crops, drove the local economy for generations and helped shape the rural landscape that still characterizes the area today. The community has remained a stable, if modest, agricultural settlement through the decades, maintaining its rural identity even as nearby cities like Mayfield have grown and modernized.

Did you know?

One little-known aspect of Farmington and the broader Graves County area is its location within the Jackson Purchase, one of the last regions of Kentucky to be opened to American settlement, giving the area a distinct cultural and historical character compared to the rest of the state. Despite its small footprint, Farmington sits within a county that has historically been one of Kentucky's leading agricultural producers, contributing significantly to the state's farming economy.

ZIP codes for Farmington, KY (1)
ZIP code City County Map
42040 Farmington Graves View map

Demographics & statistics

845
Population
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

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%
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%
High blood pressure40.4%
High cholesterol37.2%
Heart disease7.5%
Stroke3.3%
Asthma10.8%
Arthritis31.0%
Kidney disease3.0%
Pulmonary disease9.7%
Cancer7.0%
Behavior / access%
Binge drinking15.9%
No physical activity28.0%
Less than 7 hrs sleep37.6%
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%
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
What ZIP codes does Farmington, KY have?
Farmington, KY has one ZIP code: 42040. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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