42445 ZIP Code — Princeton, KY

Caldwell County, Kentucky

ZIP code 42445 is located in Princeton, Kentucky, within Caldwell County. It covers approximately 261.30 square miles and serves a population of 10,242 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 270/364.

About ZIP code 42445

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $102,100. Owner-occupancy sits near the national average at 70%.

Median household income is $51,049. 41% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 26 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 (24%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 27%.

Overall, ZIP code 42445 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

10,242

population

261.30

sq mi land

Standard

ZIP type

Central (CT)

timezone

42445 ZIP code map

Cities in ZIP code 42445

Below are the cities the US Postal Service accepts for ZIP code 42445. Using any city not on this list may result in mail delivery delays.

City	Status
Princeton	Preferred

Nearby ZIP codes

42411 Fredonia (9 mi) 42038 Eddyville (11.2 mi) 42408 Dawson Springs (11.9 mi) 42064 Marion (14.5 mi) 42453 Saint Charles (15.3 mi) 42215 Cerulean (16 mi) 42055 Kuttawa (17 mi) 42450 Providence (17.1 mi)

Demographics updated 05/2026

Population
Total population	10,242
Population density	39 / sq mi
State FIPS	21
County FIPS	033

Geography
Land area	261.30 sq mi
Water area	2.23 sq mi
Latitude	37.1627
Longitude	-87.8822
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	52.6%	51.9%	47.9%
$50k – $100k	28.4%	29.0%	30.3%
$100k – $200k	13.7%	14.4%	17.6%
Over $200k	5.2%	4.7%	4.2%

Demographics & statistics

10,242

Population

People per sq mi

44.9

Median age

$51,049

Median household income

$32,610

Per capita income

$102,100

Median home value

$701

Median monthly rent

69.5%

Home ownership

15.7%

Poverty rate

5.1%

Unemployment

3,622

Housing units

15.0%

Bachelor's or higher

Age distribution

Male Female

267

Under 5

276

346

5–9

357

327

10–14

338

294

15–19

304

198

20–24

205

547

25–34

566

543

35–44

561

638

45–54

659

283

55–59

292

474

60–64

490

639

65–74

660

274

75–84

283

207

85+

214

← Male

Female →

Age summary

Group	Count	%
Under 18	2,203	21.5%
18 and over	8,039	78.5%
65 and over	2,277	22.2%
Median age	44.9 years

Race & ethnicity

White 86.6%

Black or African American 7.2%

Two or more races 2.7%

Hispanic or Latino 1.8%

Other race 1.8%

Group	Count	%
White	9,031	86.6%
Black or African American	746	7.2%
Two or more races	282	2.7%
Hispanic or Latino	183	1.8%
Other race	183	1.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.6%	51.9%	47.9%
$50k – $100k	28.4%	29.0%	30.3%
$100k – $200k	13.7%	14.4%	17.6%
Over $200k	5.2%	4.7%	4.2%

Under $10k 7.9%

$10k–$15k 4.3%

$15k–$25k 14.4%

$25k–$35k 9.7%

$35k–$50k 11.7%

$50k–$75k 19.8%

$75k–$100k 12.7%

$100k–$150k 9.0%

$150k–$200k 6.2%

$200k+ 4.2%

Range	% of households
Under $10k	7.9%
$10k–$15k	4.3%
$15k–$25k	14.4%
$25k–$35k	9.7%
$35k–$50k	11.7%
$50k–$75k	19.8%
$75k–$100k	12.7%
$100k–$150k	9.0%
$150k–$200k	6.2%
$200k+	4.2%
Median income	$51,049

Housing

Home values

Under $50k 21.1%

$50k–$100k 27.4%

$100k–$150k 22.9%

$150k–$200k 8.0%

$200k–$300k 9.6%

$300k–$500k 9.6%

$500k–$1M 0.2%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$102,100
Median rent / month	$701
Owner occupied	69.5%
Renter occupied	30.5%
Vacant	12.8%
Single-family detached	76.9%
Large apartment buildings	2.7%
Mobile homes	10.6%
Median rooms	5.5
Avg household size (owned)	2.37

Year built

Era	%
2020 or later	0.9%
2010–2019	4.6%
2000–2009	13.6%
1990–1999	11.0%
1980–1989	5.9%
1970–1979	15.9%
1960–1969	11.4%
1950–1959	16.2%
1940–1949	8.9%
1939 or earlier	11.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	5.8%
2 bedrooms	33.6%
3 bedrooms	46.4%
4 bedrooms	9.5%
5+ bedrooms	2.0%

Vehicles per household

Vehicles	% of households
No vehicle	9.2%
1 vehicle	29.1%
2 vehicles	37.8%
3 or more	23.9%

Heating fuel

Fuel type	%
Utility gas	44.4%
Electricity	36.2%
Propane / LP gas	17.3%
Wood	2.0%

Households & families

Household type	Count	%
Married-couple family	1,920	44.6%
Cohabiting couple	296	6.9%
Male householder, no spouse	673	15.6%
Female householder, no spouse	1,418	32.9%
Households with children under 18	1,206	28.0%
Households with seniors (65+)	1,599	37.1%
Average household size	2.34

Marital status

Status	Male	Female
Never married	26.4%	19.0%
Married	49.1%	48.8%
Separated	0.7%	1.9%
Widowed	3.4%	18.4%
Divorced	20.4%	11.9%

Education

Less than 9th grade 3.4%

Some HS, no diploma 11.2%

HS graduate 42.7%

Some college, no degree 19.9%

Associate's degree 7.8%

Bachelor's degree 7.5%

Graduate / professional 7.5%

Metric	%
HS diploma or higher	85.5%
Bachelor's or higher	15.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	114	5.7%
Kindergarten	204	10.2%
Elementary school	1,056	52.9%
High school	458	23.0%
College / grad school	163	8.2%

Employment

Industry of employment

Manufacturing 24.4%

Education & healthcare 19.2%

Professional & management 10.3%

Arts, food & hospitality 9.2%

Retail trade 9.0%

Agriculture & mining 7.3%

Public administration 6.1%

Construction 4.0%

Other services 3.3%

Wholesale trade 3.0%

Transportation & utilities 2.7%

Information 1.0%

Finance & real estate 0.5%

Occupation

Category	%
Management, business & arts	29.3%
Service	22.3%
Sales & office	12.1%
Natural resources & construction	11.7%
Production & transportation	24.7%

Employment type

Type	%
Private sector	77.5%
Government	16.0%
Self-employed	6.1%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	81.1%
Carpool	12.3%
Public transit	0.0%
Walk	0.0%
Work from home	6.0%
Other means	0.6%
Avg commute (minutes)	25.9

Poverty

All people 15.7%

Under 18 years 13.2%

18 and over 16.5%

Married-couple families 8.2%

Female-led households 29.4%

Income support

Source	% of households
Social Security	40.8%
Retirement income	29.8%
Supplemental Security	6.0%
Cash public assistance	1.0%
Food stamps / SNAP	17.0%

Health indicators

Condition	%
Obesity	38.4%
High blood pressure	44.6%
High cholesterol	39.2%
Diabetes	13.3%
Heart disease	8.5%
Stroke	4.0%
Asthma	11.3%
Arthritis	35.1%
Kidney disease	3.5%
Pulmonary disease	11.5%
Cancer	7.5%

Behavior / access	%
Smoking	24.1%
Binge drinking	14.6%
No physical activity	32.7%
Less than 7 hrs sleep	37.6%
Depression	25.9%
Fair or poor health	22.0%
Poor mental health	18.1%
Poor physical health	15.0%
No health insurance	10.8%
Visited doctor (checkup)	78.1%
Visited dentist	52.9%
Cholesterol screening	90.3%
Teeth loss	20.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	549	6.8%

Disability	%
Any disability	26.8%
Under 18	7.1%
18–64 years	21.2%
65 and over	61.0%

Health insurance coverage

Type	%
Private insurance	59.2%
Public insurance	46.7%
No insurance	12.2%
Uninsured under 19	2.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,699	94.7%
Spanish	13	0.1%
Other Indo-European	0	0.0%
Asian & Pacific Islander	13	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,977	97.4%
Born in same state	9,913	96.8%
Born in different state	7,511	73.3%
Foreign born	64	0.6%
Naturalized citizen	265	2.6%
Not a US citizen	71	26.8%

Ancestry

Ancestry	Count	%
French	1,742	17%
Arab	1,531	14.9%
Italian	626	6.1%
Irish	76	0.7%

Ancestry	Count	%
German	24	0.2%
Polish	17	0.2%
Dutch	8	0.1%

Technology access

Metric	% of households
Computer access	42.1%
Internet access	92.4%

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

Frequently asked questions about ZIP code 42445

What city is ZIP code 42445 in?

ZIP code 42445 is primarily assigned to Princeton, Kentucky.

What county is ZIP code 42445 in?

ZIP code 42445 falls within Caldwell County, Kentucky.

What is the poverty rate in ZIP code 42445?

16% of residents in ZIP code 42445 live below the poverty line, above the national average.

Does ZIP code 42445 have a large retiree population?

41% of households in ZIP code 42445 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 42445?

The median home value in ZIP code 42445 is $102,100.

What is the population of ZIP code 42445?

ZIP code 42445 has an estimated population of 10,242 residents, with a density of 39 people per square mile.

What timezone is ZIP code 42445 in?

ZIP code 42445 observes the CST timezone.