18651 ZIP Code — Plymouth, PA

Luzerne County, Pennsylvania

ZIP code 18651 is located in Plymouth, Pennsylvania, within Luzerne County. It covers approximately 12.05 square miles and serves a population of 8,704 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 570.

About ZIP code 18651

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $90,700. Owner-occupancy sits near the national average at 56%.

Median household income is $46,554. SNAP benefit usage at 27% 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 25 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 (23%) compared to national benchmarks.

Overall, ZIP code 18651 reflects a community defined by a trades-oriented workforce, a significant Social Security-dependent population, and elevated reliance on food assistance.

8,704

population

12.05

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

18651 ZIP code map

Cities in ZIP code 18651

Below are the cities the US Postal Service accepts for ZIP code 18651. Using any city not on this list may result in mail delivery delays.

City	Status
Plymouth	Acceptable
Plymouth	Preferred

Nearby ZIP codes

18765 Wilkes Barre (2.9 mi) 18762 Wilkes Barre (3.3 mi) 18708 Shavertown (3.5 mi) 18769 Wilkes Barre (4 mi) 18701 Wilkes Barre (4 mi) 18706 Wilkes Barre (4.1 mi) 18704 Kingston (4.1 mi) 18766 Wilkes Barre (4.3 mi) 18711 Wilkes Barre (4.5 mi) 18767 Wilkes Barre (4.5 mi) 18709 Luzerne (4.6 mi) 18634 Nanticoke (4.8 mi)

Demographics updated 07/2026

Population
Total population	8,704
Population density	722 / sq mi
State FIPS	42
County FIPS	079

Geography
Land area	12.05 sq mi
Water area	0.50 sq mi
Latitude	41.2447
Longitude	-75.9627
Timezone	Eastern (ET)
Area code	570

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	59.5%	47.1%	39.8%
$50k – $100k	26.8%	31.4%	30.8%
$100k – $200k	11.9%	17.9%	22.4%
Over $200k	1.7%	3.5%	7.1%

Demographics & statistics

8,704

Population

722

People per sq mi

44.7

Median age

$46,554

Median household income

$30,108

Per capita income

$90,700

Median home value

$843

Median monthly rent

56.0%

Home ownership

14.6%

Poverty rate

6.6%

Unemployment

2,986

Housing units

12.1%

Bachelor's or higher

Age distribution

Male Female

297

Under 5

292

314

5–9

309

263

10–14

260

255

15–19

252

190

20–24

187

446

25–34

440

443

35–44

437

677

45–54

667

376

55–59

370

356

60–64

351

432

65–74

427

241

75–84

238

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,033	23.4%
18 and over	6,671	76.6%
65 and over	1,522	17.5%
Median age	44.7 years

Race & ethnicity

White 79%

Black or African American 6.7%

Hispanic or Latino 5.6%

Other race 4.9%

Two or more races 3.8%

Asian 0.1%

Group	Count	%
White	7,284	79%
Black or African American	614	6.7%
Hispanic or Latino	520	5.6%
Other race	448	4.9%
Two or more races	351	3.8%
Asian	7	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	59.5%	47.1%	39.8%
$50k – $100k	26.8%	31.4%	30.8%
$100k – $200k	11.9%	17.9%	22.4%
Over $200k	1.7%	3.5%	7.1%

Under $10k 3.8%

$10k–$15k 7.2%

$15k–$25k 8.8%

$25k–$35k 19.4%

$35k–$50k 13.0%

$50k–$75k 18.5%

$75k–$100k 10.0%

$100k–$150k 12.3%

$150k–$200k 4.5%

$200k+ 2.4%

Range	% of households
Under $10k	3.8%
$10k–$15k	7.2%
$15k–$25k	8.8%
$25k–$35k	19.4%
$35k–$50k	13.0%
$50k–$75k	18.5%
$75k–$100k	10.0%
$100k–$150k	12.3%
$150k–$200k	4.5%
$200k+	2.4%
Median income	$46,554

Housing

Home values

Under $50k 13.7%

$50k–$100k 45.7%

$100k–$150k 23.5%

$150k–$200k 8.7%

$200k–$300k 5.8%

$300k–$500k 1.8%

$500k–$1M 0.8%

Housing overview

Metric	Value
Median home value	$90,700
Median rent / month	$843
Owner occupied	56.0%
Renter occupied	44.0%
Vacant	20.5%
Single-family detached	51.1%
Large apartment buildings	3.1%
Mobile homes	2.4%
Median rooms	5.7
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.0%
2010–2019	0.7%
2000–2009	4.7%
1990–1999	4.4%
1980–1989	6.5%
1970–1979	11.0%
1960–1969	6.5%
1950–1959	7.0%
1940–1949	10.7%
1939 or earlier	48.5%

Bedrooms

Size	% of units
No bedroom (studio)	2.3%
1 bedroom	12.4%
2 bedrooms	27.9%
3 bedrooms	46.5%
4 bedrooms	8.9%
5+ bedrooms	2.0%

Vehicles per household

Vehicles	% of households
No vehicle	11.6%
1 vehicle	43.8%
2 vehicles	31.9%
3 or more	12.7%

Heating fuel

Fuel type	%
Utility gas	61.0%
Electricity	25.1%
Propane / LP gas	4.2%
Fuel oil	6.7%
Wood	0.1%

Households & families

Household type	Count	%
Married-couple family	1,269	34.7%
Cohabiting couple	369	10.1%
Male householder, no spouse	826	22.6%
Female householder, no spouse	1,188	32.5%
Households with children under 18	984	26.9%
Households with seniors (65+)	1,266	34.7%
Average household size	2.38

Marital status

Status	Male	Female
Never married	41.9%	32.0%
Married	42.1%	36.3%
Separated	1.9%	1.9%
Widowed	4.7%	13.0%
Divorced	9.3%	16.8%

Education

Less than 9th grade 3.3%

Some HS, no diploma 9.6%

HS graduate 48.2%

Some college, no degree 17.9%

Associate's degree 8.8%

Bachelor's degree 7.0%

Graduate / professional 5.2%

Metric	%
HS diploma or higher	87.1%
Bachelor's or higher	12.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	129	7.1%
Kindergarten	121	6.7%
Elementary school	757	41.6%
High school	542	29.8%
College / grad school	270	14.8%

Employment

Industry of employment

Education & healthcare 26.4%

Manufacturing 13.7%

Retail trade 12.5%

Professional & management 8.0%

Arts, food & hospitality 7.5%

Wholesale trade 6.8%

Public administration 6.4%

Construction 5.2%

Transportation & utilities 4.7%

Other services 3.7%

Finance & real estate 3.4%

Information 1.7%

Occupation

Category	%
Management, business & arts	27.6%
Service	22.0%
Sales & office	20.9%
Natural resources & construction	9.0%
Production & transportation	20.4%

Employment type

Type	%
Private sector	83.1%
Government	14.6%
Self-employed	2.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.8%
Carpool	9.2%
Public transit	1.3%
Walk	3.0%
Work from home	4.3%
Other means	2.3%
Avg commute (minutes)	24.7

Poverty

All people 14.6%

Under 18 years 20.3%

18 and over 12.9%

Married-couple families 4.3%

Female-led households 25.5%

Income support

Source	% of households
Social Security	43.9%
Retirement income	20.4%
Supplemental Security	7.0%
Cash public assistance	3.6%
Food stamps / SNAP	27.0%

Health indicators

Condition	%
Obesity	37.0%
High blood pressure	34.1%
High cholesterol	34.3%
Diabetes	12.3%
Heart disease	8.0%
Stroke	3.7%
Asthma	10.7%
Arthritis	32.1%
Kidney disease	3.4%
Pulmonary disease	9.6%
Cancer	7.3%

Behavior / access	%
Smoking	22.8%
Binge drinking	18.8%
No physical activity	26.7%
Less than 7 hrs sleep	39.4%
Depression	23.9%
Fair or poor health	18.0%
Poor mental health	17.1%
Poor physical health	13.0%
No health insurance	11.5%
Visited doctor (checkup)	78.7%
Visited dentist	60.1%
Cholesterol screening	88.2%
Teeth loss	18.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	636	9.5%

Disability	%
Any disability	16.9%
Under 18	7.1%
18–64 years	14.8%
65 and over	37.1%

Health insurance coverage

Type	%
Private insurance	57.7%
Public insurance	50.5%
No insurance	4.1%
Uninsured under 19	0.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,115	93.2%
Spanish	258	3.2%
Other Indo-European	258	3.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,443	97.0%
Born in same state	8,386	96.3%
Born in different state	6,821	78.4%
Foreign born	57	0.7%
Naturalized citizen	261	3.0%
Not a US citizen	133	51.0%

Ancestry

Ancestry	Count	%
Italian	1,263	14.5%
Norwegian	363	4.2%
French	297	3.4%
Arab	186	2.1%

Ancestry	Count	%
English	110	1.3%
Irish	96	1.1%
Polish	3	0%
German	1	0%

Technology access

Metric	% of households
Computer access	42.0%
Internet access	82.5%

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

Frequently asked questions about ZIP code 18651

What city is ZIP code 18651 in?

ZIP code 18651 is primarily assigned to Plymouth, Pennsylvania.

What county is ZIP code 18651 in?

ZIP code 18651 falls within Luzerne County, Pennsylvania.

How educated is the population of ZIP code 18651?

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 18651 have a large retiree population?

44% of households in ZIP code 18651 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 18651?

The median home value in ZIP code 18651 is $90,700.

Does ZIP code 18651 have a large veteran population?

10% of civilians in ZIP code 18651 are veterans, above the national average of ~7%.

What timezone is ZIP code 18651 in?

ZIP code 18651 observes the EST timezone.