42078 ZIP Code — Salem, KY

Livingston County, Kentucky

ZIP code 42078 is located in Salem, Kentucky, within Livingston County. It covers approximately 88.70 square miles and serves a population of 1,764 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 270/364.

About ZIP code 42078

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $85,800. Owner-occupancy is high at 84%, well above the national average.

Median household income is $47,232. 54% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.

College attainment at 8% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (16%), smoking (26%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 32%.

Overall, ZIP code 42078 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,764
population
88.70
sq mi land
Standard
ZIP type
Central (CT)
timezone
42078 ZIP code map
Cities in ZIP code 42078

Below are the cities the US Postal Service accepts for ZIP code 42078. Using any city not on this list may result in mail delivery delays.

City Status
Salem Acceptable
Salem Preferred
Nearby ZIP codes
42028 Burna (5.6 mi) 42081 Smithland (7 mi) 42047 Hampton (7.7 mi) 42083 Tiline (9.5 mi) 62982 Rosiclare (9.8 mi) 42064 Marion (11.3 mi) 42411 Fredonia (14.9 mi) 42045 Grand Rivers (15.3 mi) 62938 Golconda (15.3 mi) 62919 Cave In Rock (16.7 mi) 62931 Elizabethtown (17.4 mi) 42058 Ledbetter (19.1 mi)
Demographics updated 05/2026
Population
Total population 1,764
Population density 20 / sq mi
State FIPS 21
County FIPS 139
Geography
Land area 88.70 sq mi
Water area 0.90 sq mi
Latitude 37.2918
Longitude -88.2845
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 53.5% 48.3% 47.9%
$50k – $100k 32.2% 35.6% 30.3%
$100k – $200k 13.7% 14.3% 17.6%
Over $200k 0.5% 1.8% 4.2%

Demographics & statistics

1,764
Population
20
People per sq mi
46.9
Median age
$47,232
Median household income
$24,392
Per capita income
$85,800
Median home value
$644
Median monthly rent
84.2%
Home ownership
14.9%
Poverty rate
5.7%
Unemployment
844
Housing units
8.3%
Bachelor's or higher

Age distribution

Male Female
29
Under 5
26
43
5–9
40
62
10–14
58
59
15–19
54
54
20–24
49
82
25–34
75
101
35–44
94
125
45–54
115
56
55–59
52
42
60–64
39
86
65–74
80
149
75–84
137
30
85+
27
← Male
Female →

Age summary

GroupCount%
Under 1834519.6%
18 and over1,41980.4%
65 and over50928.9%
Median age46.9 years

Race & ethnicity

White 91.5%
Two or more races 3.9%
Black or African American 1.9%
Hispanic or Latino 1.2%
Other race 1.2%
Asian 0.2%
GroupCount%
White1,63591.5%
Two or more races703.9%
Black or African American341.9%
Hispanic or Latino221.2%
Other race221.2%
Asian30.2%

Household income

Income range This ZIP County avg State avg
Under $50k 53.5% 48.3% 47.9%
$50k – $100k 32.2% 35.6% 30.3%
$100k – $200k 13.7% 14.3% 17.6%
Over $200k 0.5% 1.8% 4.2%
Under $10k 6.5%
$10k–$15k 9.2%
$15k–$25k 7.1%
$25k–$35k 13.8%
$35k–$50k 17.4%
$50k–$75k 15.8%
$75k–$100k 16.2%
$100k–$150k 11.5%
$150k–$200k 1.0%
$200k+ 1.4%
Range% of households
Under $10k6.5%
$10k–$15k9.2%
$15k–$25k7.1%
$25k–$35k13.8%
$35k–$50k17.4%
$50k–$75k15.8%
$75k–$100k16.2%
$100k–$150k11.5%
$150k–$200k1.0%
$200k+1.4%
Median income$47,232

Housing

Home values

Under $50k 28.4%
$50k–$100k 30.7%
$100k–$150k 22.5%
$150k–$200k 2.9%
$200k–$300k 4.1%
$300k–$500k 11.0%
$500k–$1M 0.5%

Housing overview

MetricValue
Median home value$85,800
Median rent / month$644
Owner occupied84.2%
Renter occupied15.8%
Vacant26.4%
Single-family detached77.6%
Large apartment buildings0.0%
Mobile homes19.3%
Median rooms5.4
Avg household size (owned)2.43

Year built

Era%
2020 or later0.9%
2010–20198.2%
2000–200911.2%
1990–199910.4%
1980–198910.2%
1970–197918.4%
1960–196912.7%
1950–195912.0%
1940–19499.3%
1939 or earlier6.7%

Bedrooms

Size% of units
No bedroom (studio)2.1%
1 bedroom5.0%
2 bedrooms32.4%
3 bedrooms49.9%
4 bedrooms9.0%
5+ bedrooms1.6%

Vehicles per household

Vehicles% of households
No vehicle5.5%
1 vehicle37.4%
2 vehicles34.7%
3 or more22.3%

Heating fuel

Fuel type%
Utility gas3.4%
Electricity40.3%
Propane / LP gas51.4%
Fuel oil2.6%
Wood2.1%

Households & families

Household typeCount%
Married-couple family31845.2%
Cohabiting couple192.7%
Male householder, no spouse9513.5%
Female householder, no spouse27138.5%
Households with children under 1818426.2%
Households with seniors (65+)34448.9%
Average household size2.42

Marital status

StatusMaleFemale
Never married32.0%22.7%
Married47.2%39.2%
Separated1.4%0.3%
Widowed5.7%21.8%
Divorced13.6%16.0%

Education

Less than 9th grade 5.0%
Some HS, no diploma 11.9%
HS graduate 45.2%
Some college, no degree 23.1%
Associate's degree 6.5%
Bachelor's degree 4.6%
Graduate / professional 3.7%
Metric%
HS diploma or higher83.1%
Bachelor's or higher8.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool20.5%
Kindergarten123.0%
Elementary school15538.6%
High school13734.1%
College / grad school9623.9%

Employment

Industry of employment

Education & healthcare 24.8%
Retail trade 20.8%
Manufacturing 14.4%
Agriculture & mining 9.0%
Construction 8.5%
Arts, food & hospitality 6.7%
Other services 5.7%
Public administration 2.8%
Wholesale trade 1.7%
Information 1.5%
Finance & real estate 1.5%
Professional & management 1.3%
Transportation & utilities 1.2%

Occupation

Category%
Management, business & arts28.5%
Service10.2%
Sales & office18.3%
Natural resources & construction15.1%
Production & transportation28.0%

Employment type

Type%
Private sector77.6%
Government14.9%
Self-employed7.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone83.5%
Carpool12.5%
Public transit0.0%
Walk1.5%
Work from home2.4%
Other means0.0%
Avg commute (minutes)31.7

Poverty

All people 14.9%
Under 18 years 9.0%
18 and over 16.3%
Married-couple families 2.2%
Female-led households 21.2%

Income support

Source% of households
Social Security54.1%
Retirement income41.0%
Supplemental Security10.8%
Cash public assistance1.1%
Food stamps / SNAP10.7%

Health indicators

Condition%
Obesity40.2%
High blood pressure48.8%
High cholesterol42.1%
Diabetes16.1%
Heart disease11.1%
Stroke5.2%
Asthma11.8%
Arthritis39.6%
Kidney disease4.4%
Pulmonary disease15.0%
Cancer8.6%
Behavior / access%
Smoking26.1%
Binge drinking12.8%
No physical activity37.6%
Less than 7 hrs sleep37.2%
Depression25.8%
Fair or poor health27.2%
Poor mental health18.0%
Poor physical health18.0%
No health insurance11.8%
Visited doctor (checkup)79.5%
Visited dentist49.2%
Cholesterol screening90.5%
Teeth loss24.0%

Veterans & disability

VeteransCount%
Civilian veterans553.9%
Disability%
Any disability32.3%
Under 1810.7%
18–64 years27.1%
65 and over58.4%

Health insurance coverage

Type%
Private insurance61.9%
Public insurance52.2%
No insurance5.9%
Uninsured under 191.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,70996.9%
Spanish60.4%
Other Indo-European60.4%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,76199.8%
Born in same state1,76199.8%
Born in different state1,32375.0%
Foreign born00.0%
Naturalized citizen30.2%
Not a US citizen3100.0%

Ancestry

AncestryCount%
Arab25014.2%
French23713.4%
Italian1126.3%
AncestryCount%
Polish80.5%
English60.3%

Technology access

Metric% of households
Computer access39.9%
Internet access83.6%

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

Frequently asked questions about ZIP code 42078

What city is ZIP code 42078 in?

ZIP code 42078 is primarily assigned to Salem, Kentucky.

What county is ZIP code 42078 in?

ZIP code 42078 falls within Livingston County, Kentucky.

Does ZIP code 42078 have an older population?

29% of residents in ZIP code 42078 are 65 or older, above the national average of ~17%.

Does ZIP code 42078 have a large retiree population?

54% of households in ZIP code 42078 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 42078?

8% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 42078 mostly owner-occupied?

84% of occupied units in ZIP code 42078 are owner-occupied, well above the national average.

What timezone is ZIP code 42078 in?

ZIP code 42078 observes the CST timezone.

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