42503 ZIP Code — Somerset, KY

Pulaski County, Kentucky

ZIP code 42503 is located in Somerset, Kentucky, within Pulaski County. It covers approximately 129.47 square miles and serves a population of 25,381 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 606.

About ZIP code 42503

The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $179,100. Owner-occupancy sits near the national average at 67%.

Median household income is $53,514. Poverty affects 18% of residents, above the national average. 40% 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 20 minutes is near the national average.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (24%) compared to national benchmarks.

Overall, ZIP code 42503 reflects a community defined by economic challenges above the national average and a significant Social Security-dependent population.

25,381

population

129.47

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

42503 ZIP code map

Cities in ZIP code 42503

Below are the cities the US Postal Service accepts for ZIP code 42503. Using any city not on this list may result in mail delivery delays.

City	Status
Somerset	Preferred

Nearby ZIP codes

42501 Somerset (7.5 mi) 42533 Ferguson (7.7 mi) 42567 Eubank (9.6 mi) 42553 Science Hill (10.3 mi) 42519 Burnside (14.7 mi) 40409 Brodhead (15.8 mi) 42544 Nancy (16.7 mi) 40489 Waynesburg (17.2 mi) 40750 London (17.6 mi) 40456 Mount Vernon (17.7 mi) 42518 Bronston (18 mi) 40442 Kings Mountain (19.1 mi)

Demographics updated 05/2026

Population
Total population	25,381
Population density	196 / sq mi
State FIPS	21
County FIPS	199

Geography
Land area	129.47 sq mi
Water area	3.97 sq mi
Latitude	37.1500
Longitude	-84.5075
Timezone	Eastern (ET)
Area code	606

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.5%	57.0%	47.9%
$50k – $100k	29.4%	27.5%	30.3%
$100k – $200k	16.4%	13.1%	17.6%
Over $200k	3.6%	2.3%	4.2%

Demographics & statistics

25,381

Population

196

People per sq mi

41.7

Median age

$53,514

Median household income

$30,674

Per capita income

$179,100

Median home value

$845

Median monthly rent

67.4%

Home ownership

18.1%

Poverty rate

5.0%

Unemployment

8,143

Housing units

23.1%

Bachelor's or higher

Age distribution

Male Female

798

Under 5

826

601

5–9

622

803

10–14

830

743

15–19

768

664

20–24

687

1,617

25–34

1,672

1,407

35–44

1,456

1,760

45–54

1,821

871

55–59

900

804

60–64

831

1,367

65–74

1,414

655

75–84

678

386

85+

400

← Male

Female →

Age summary

Group	Count	%
Under 18	5,501	21.7%
18 and over	19,880	78.3%
65 and over	4,900	19.3%
Median age	41.7 years

Race & ethnicity

White 95%

Asian 1.7%

Two or more races 1.2%

Black or African American 0.9%

Hispanic or Latino 0.7%

Other race 0.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	24,291	95%
Asian	441	1.7%
Two or more races	305	1.2%
Black or African American	234	0.9%
Hispanic or Latino	186	0.7%
Other race	91	0.4%
American Indian / Alaska Native	19	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.5%	57.0%	47.9%
$50k – $100k	29.4%	27.5%	30.3%
$100k – $200k	16.4%	13.1%	17.6%
Over $200k	3.6%	2.3%	4.2%

Under $10k 8.7%

$10k–$15k 6.4%

$15k–$25k 9.7%

$25k–$35k 13.1%

$35k–$50k 10.6%

$50k–$75k 16.4%

$75k–$100k 10.8%

$100k–$150k 12.3%

$150k–$200k 7.6%

$200k+ 4.4%

Range	% of households
Under $10k	8.7%
$10k–$15k	6.4%
$15k–$25k	9.7%
$25k–$35k	13.1%
$35k–$50k	10.6%
$50k–$75k	16.4%
$75k–$100k	10.8%
$100k–$150k	12.3%
$150k–$200k	7.6%
$200k+	4.4%
Median income	$53,514

Housing

Home values

Under $50k 8.2%

$50k–$100k 9.2%

$100k–$150k 19.4%

$150k–$200k 19.4%

$200k–$300k 26.5%

$300k–$500k 12.6%

$500k–$1M 4.0%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$179,100
Median rent / month	$845
Owner occupied	67.4%
Renter occupied	32.6%
Vacant	10.7%
Single-family detached	66.9%
Large apartment buildings	0.8%
Mobile homes	13.0%
Median rooms	5.8
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.2%
2010–2019	10.0%
2000–2009	22.3%
1990–1999	23.2%
1980–1989	13.2%
1970–1979	16.2%
1960–1969	5.3%
1950–1959	5.2%
1940–1949	1.1%
1939 or earlier	3.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	2.4%
2 bedrooms	28.2%
3 bedrooms	45.8%
4 bedrooms	15.6%
5+ bedrooms	7.6%

Vehicles per household

Vehicles	% of households
No vehicle	5.5%
1 vehicle	32.2%
2 vehicles	35.9%
3 or more	26.4%

Heating fuel

Fuel type	%
Utility gas	6.4%
Electricity	89.4%
Propane / LP gas	2.1%
Fuel oil	0.8%
Wood	1.2%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	5,329	51.9%
Cohabiting couple	394	3.8%
Male householder, no spouse	1,810	17.6%
Female householder, no spouse	2,729	26.6%
Households with children under 18	2,985	29.1%
Households with seniors (65+)	3,658	35.6%
Average household size	2.44

Marital status

Status	Male	Female
Never married	30.3%	19.4%
Married	56.5%	53.1%
Separated	0.9%	2.2%
Widowed	2.8%	13.3%
Divorced	9.4%	12.1%

Education

Less than 9th grade 6.8%

Some HS, no diploma 8.6%

HS graduate 30.7%

Some college, no degree 22.2%

Associate's degree 8.7%

Bachelor's degree 11.7%

Graduate / professional 11.4%

Metric	%
HS diploma or higher	84.7%
Bachelor's or higher	23.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	255	4.9%
Kindergarten	164	3.2%
Elementary school	2,261	43.8%
High school	1,314	25.5%
College / grad school	1,164	22.6%

Employment

Industry of employment

Education & healthcare 30.1%

Retail trade 15.0%

Manufacturing 12.0%

Arts, food & hospitality 8.4%

Professional & management 8.1%

Finance & real estate 5.3%

Other services 5.2%

Construction 4.1%

Public administration 4.1%

Transportation & utilities 3.4%

Wholesale trade 2.0%

Information 1.7%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	36.1%
Service	16.0%
Sales & office	26.1%
Natural resources & construction	7.3%
Production & transportation	14.5%

Employment type

Type	%
Private sector	74.8%
Government	17.3%
Self-employed	6.9%
Unpaid family workers	1.0%

Commute

Method	%
Drive alone	85.3%
Carpool	8.3%
Public transit	0.0%
Walk	0.9%
Work from home	5.3%
Other means	0.2%
Avg commute (minutes)	19.7

Poverty

All people 18.1%

Under 18 years 19.7%

18 and over 17.7%

Married-couple families 8.1%

Female-led households 29.6%

Income support

Source	% of households
Social Security	40.0%
Retirement income	26.7%
Supplemental Security	6.2%
Cash public assistance	1.4%
Food stamps / SNAP	11.4%

Health indicators

Condition	%
Obesity	40.7%
High blood pressure	42.2%
High cholesterol	38.6%
Diabetes	12.8%
Heart disease	8.4%
Stroke	3.9%
Asthma	11.7%
Arthritis	33.2%
Kidney disease	3.4%
Pulmonary disease	11.7%
Cancer	7.1%

Behavior / access	%
Smoking	24.2%
Binge drinking	14.7%
No physical activity	34.9%
Less than 7 hrs sleep	39.8%
Depression	25.7%
Fair or poor health	22.2%
Poor mental health	18.2%
Poor physical health	15.4%
No health insurance	10.7%
Visited doctor (checkup)	77.0%
Visited dentist	53.4%
Cholesterol screening	89.8%
Teeth loss	21.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,412	7.1%

Disability	%
Any disability	17.7%
Under 18	3.9%
18–64 years	14.2%
65 and over	43.8%

Health insurance coverage

Type	%
Private insurance	61.7%
Public insurance	46.8%
No insurance	8.1%
Uninsured under 19	6.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	23,757	93.6%
Spanish	520	2.2%
Other Indo-European	247	1.0%
Asian & Pacific Islander	192	0.8%
Other languages	81	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	24,544	96.7%
Born in same state	24,418	96.2%
Born in different state	18,282	72.0%
Foreign born	126	0.5%
Naturalized citizen	837	3.3%
Not a US citizen	337	40.3%

Ancestry

Ancestry	Count	%
French	4,087	16.1%
Arab	3,867	15.2%
Italian	2,087	8.2%
English	287	1.1%

Ancestry	Count	%
Polish	163	0.6%
German	49	0.2%
Irish	31	0.1%
Dutch	14	0.1%

Technology access

Metric	% of households
Computer access	40.4%
Internet access	90.9%

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

Frequently asked questions about ZIP code 42503

What city is ZIP code 42503 in?

ZIP code 42503 is primarily assigned to Somerset, Kentucky.

What county is ZIP code 42503 in?

ZIP code 42503 falls within Pulaski County, Kentucky.

What is the poverty rate in ZIP code 42503?

18% of residents in ZIP code 42503 live below the poverty line, above the national average.

Does ZIP code 42503 have a large retiree population?

40% of households in ZIP code 42503 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 42503?

The median home value in ZIP code 42503 is $179,100.

What is the population of ZIP code 42503?

ZIP code 42503 has an estimated population of 25,381 residents, with a density of 196 people per square mile.

What timezone is ZIP code 42503 in?

ZIP code 42503 observes the EST timezone.