42330 ZIP Code — Central City, KY

Muhlenberg County, Kentucky

ZIP code 42330 is located in Central City, Kentucky, within Muhlenberg County. It covers approximately 104.04 square miles and serves a population of 10,184 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 270/364.

About ZIP code 42330

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 $137,700. Owner-occupancy is high at 79%, well above the national average.

The gap between median ($49,200) and mean household income suggests income inequality — a small number of higher earners pull the average up. SNAP benefit usage at 17% of households reflects economic stress in the area. 44% 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 23 minutes is near the national average.

College attainment at 12% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (27%) compared to national benchmarks.

Overall, ZIP code 42330 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

10,184

population

104.04

sq mi land

Standard

ZIP type

Central (CT)

timezone

42330 ZIP code map

Cities in ZIP code 42330

Below are the cities the US Postal Service accepts for ZIP code 42330. Using any city not on this list may result in mail delivery delays.

City	Status
Central City	Acceptable
Central City	Preferred

Nearby ZIP codes

42328 Centertown (6.9 mi) 42369 Rockport (7.1 mi) 42367 Powderly (7.5 mi) 42350 Island (9.4 mi) 42325 Bremen (9.5 mi) 42337 Drakesboro (9.7 mi) 42354 Mc Henry (10.2 mi) 42372 Sacramento (10.9 mi) 42323 Beechmont (11.7 mi) 42345 Greenville (12.4 mi) 42320 Beaver Dam (13 mi) 42352 Livermore (13 mi)

Demographics updated 05/2026

Population
Total population	10,184
Population density	98 / sq mi
State FIPS	21
County FIPS	177

Geography
Land area	104.04 sq mi
Water area	3.80 sq mi
Latitude	37.3344
Longitude	-87.0991
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	55.5%	53.8%	47.9%
$50k – $100k	30.9%	28.8%	30.3%
$100k – $200k	11.2%	12.7%	17.6%
Over $200k	2.4%	4.7%	4.2%

Demographics & statistics

10,184

Population

People per sq mi

38.9

Median age

$49,200

Median household income

$29,804

Per capita income

$137,700

Median home value

$630

Median monthly rent

79.3%

Home ownership

15.6%

Poverty rate

5.3%

Unemployment

3,307

Housing units

11.8%

Bachelor's or higher

Age distribution

Male Female

413

Under 5

408

212

5–9

210

404

10–14

399

281

15–19

278

303

20–24

299

638

25–34

629

744

35–44

734

773

45–54

763

233

55–59

231

273

60–64

269

454

65–74

449

322

75–84

318

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,450	24.1%
18 and over	7,734	75.9%
65 and over	1,690	16.6%
Median age	38.9 years

Race & ethnicity

White 89.7%

Two or more races 3.6%

Black or African American 3%

Hispanic or Latino 2.2%

Other race 0.5%

American Indian / Alaska Native 0.5%

Asian 0.4%

Group	Count	%
White	9,345	89.7%
Two or more races	376	3.6%
Black or African American	316	3%
Hispanic or Latino	229	2.2%
Other race	54	0.5%
American Indian / Alaska Native	53	0.5%
Asian	40	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.5%	53.8%	47.9%
$50k – $100k	30.9%	28.8%	30.3%
$100k – $200k	11.2%	12.7%	17.6%
Over $200k	2.4%	4.7%	4.2%

Under $10k 4.8%

$10k–$15k 7.8%

$15k–$25k 13.9%

$25k–$35k 8.7%

$35k–$50k 15.3%

$50k–$75k 17.2%

$75k–$100k 10.9%

$100k–$150k 12.0%

$150k–$200k 5.8%

$200k+ 3.7%

Range	% of households
Under $10k	4.8%
$10k–$15k	7.8%
$15k–$25k	13.9%
$25k–$35k	8.7%
$35k–$50k	15.3%
$50k–$75k	17.2%
$75k–$100k	10.9%
$100k–$150k	12.0%
$150k–$200k	5.8%
$200k+	3.7%
Median income	$49,200

Housing

Home values

Under $50k 12.2%

$50k–$100k 22.2%

$100k–$150k 22.4%

$150k–$200k 18.4%

$200k–$300k 12.9%

$300k–$500k 7.4%

$500k–$1M 4.5%

Housing overview

Metric	Value
Median home value	$137,700
Median rent / month	$630
Owner occupied	79.3%
Renter occupied	20.7%
Vacant	10.8%
Single-family detached	74.5%
Large apartment buildings	0.0%
Mobile homes	19.9%
Median rooms	6.1
Avg household size (owned)	2.81

Year built

Era	%
2020 or later	1.2%
2010–2019	6.5%
2000–2009	14.0%
1990–1999	13.0%
1980–1989	7.6%
1970–1979	22.2%
1960–1969	15.1%
1950–1959	6.7%
1940–1949	8.0%
1939 or earlier	5.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.3%
2 bedrooms	19.6%
3 bedrooms	57.8%
4 bedrooms	11.7%
5+ bedrooms	4.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	28.1%
2 vehicles	37.5%
3 or more	31.0%

Heating fuel

Fuel type	%
Utility gas	34.2%
Electricity	54.3%
Propane / LP gas	8.2%
Wood	2.7%
Solar	0.1%

Households & families

Household type	Count	%
Married-couple family	1,966	54.4%
Cohabiting couple	284	7.9%
Male householder, no spouse	493	13.6%
Female householder, no spouse	873	24.1%
Households with children under 18	1,279	35.4%
Households with seniors (65+)	1,170	32.4%
Average household size	2.68

Marital status

Status	Male	Female
Never married	34.1%	18.1%
Married	48.7%	52.8%
Separated	1.2%	3.5%
Widowed	1.8%	12.7%
Divorced	14.2%	12.9%

Education

Less than 9th grade 5.1%

Some HS, no diploma 12.8%

HS graduate 39.2%

Some college, no degree 21.5%

Associate's degree 9.6%

Bachelor's degree 7.9%

Graduate / professional 3.8%

Metric	%
HS diploma or higher	82.1%
Bachelor's or higher	11.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	102	4.9%
Kindergarten	157	7.6%
Elementary school	973	47.2%
High school	533	25.8%
College / grad school	298	14.4%

Employment

Industry of employment

Education & healthcare 22.8%

Manufacturing 13.0%

Retail trade 11.9%

Professional & management 11.5%

Arts, food & hospitality 8.9%

Construction 8.1%

Finance & real estate 5.7%

Other services 5.4%

Transportation & utilities 4.4%

Public administration 3.5%

Information 2.8%

Agriculture & mining 2.0%

Occupation

Category	%
Management, business & arts	27.2%
Service	19.1%
Sales & office	22.7%
Natural resources & construction	12.4%
Production & transportation	18.6%

Employment type

Type	%
Private sector	80.5%
Government	13.5%
Self-employed	6.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.7%
Carpool	9.8%
Public transit	0.0%
Walk	2.3%
Work from home	1.2%
Other means	1.9%
Avg commute (minutes)	23.2

Poverty

All people 15.6%

Under 18 years 20.5%

18 and over 14.0%

Married-couple families 3.8%

Female-led households 49.0%

Income support

Source	% of households
Social Security	43.6%
Retirement income	27.7%
Supplemental Security	7.1%
Cash public assistance	2.8%
Food stamps / SNAP	17.1%

Health indicators

Condition	%
Obesity	40.5%
High blood pressure	42.8%
High cholesterol	39.0%
Diabetes	13.1%
Heart disease	8.2%
Stroke	3.9%
Asthma	11.4%
Arthritis	32.5%
Kidney disease	3.4%
Pulmonary disease	11.7%
Cancer	6.7%

Behavior / access	%
Smoking	26.9%
Binge drinking	15.3%
No physical activity	34.1%
Less than 7 hrs sleep	38.7%
Depression	26.0%
Fair or poor health	23.0%
Poor mental health	18.6%
Poor physical health	15.2%
No health insurance	12.7%
Visited doctor (checkup)	76.2%
Visited dentist	48.8%
Cholesterol screening	88.4%
Teeth loss	23.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	545	7.0%

Disability	%
Any disability	15.6%
Under 18	3.9%
18–64 years	13.5%
65 and over	39.9%

Health insurance coverage

Type	%
Private insurance	54.2%
Public insurance	50.0%
No insurance	9.1%
Uninsured under 19	6.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,363	91.9%
Spanish	86	0.9%
Other Indo-European	59	0.6%
Asian & Pacific Islander	0	0.0%
Other languages	27	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,912	97.3%
Born in same state	9,912	97.3%
Born in different state	8,246	81.0%
Foreign born	0	0.0%
Naturalized citizen	272	2.7%
Not a US citizen	51	18.8%

Ancestry

Ancestry	Count	%
French	1,600	15.7%
Arab	1,408	13.8%
Italian	920	9%

Ancestry	Count	%
English	85	0.8%
Polish	67	0.7%
German	9	0.1%

Technology access

Metric	% of households
Computer access	35.5%
Internet access	90.2%

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

Frequently asked questions about ZIP code 42330

What city is ZIP code 42330 in?

ZIP code 42330 is primarily assigned to Central City, Kentucky.

What county is ZIP code 42330 in?

ZIP code 42330 falls within Muhlenberg County, Kentucky.

How educated is the population of ZIP code 42330?

12% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 42330 have a large retiree population?

44% of households in ZIP code 42330 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 42330?

16% of residents in ZIP code 42330 live below the poverty line, above the national average.

What is the typical home value in ZIP code 42330?

The median home value in ZIP code 42330 is $137,700.

What timezone is ZIP code 42330 in?

ZIP code 42330 observes the CST timezone.