Postal Codes

18651 ZIP Code

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ZIP code 18651 covers Plymouth, Pennsylvania, with a population of about 8,672 and a median household income of $43,639.

Population
8,672720 per square mile
Median age
43.85.1 points above the US average
Median household income
$43,63943% below the Pennsylvania median
Poverty rate
18.9%6.5 points above the US average
Typical home value
$158,097up 34.3% in five years
Median rent
$93020% below the Pennsylvania median
Degree or higher
11.4%23.6 points below the US average
Homeownership
55.3%9.7 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
100

Where 18651 is

Plymouth, Pennsylvania — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population8,672
Median age43.8
Family households55.6%
Born outside the US4.9%
Speaks a language other than English at home9.1%
White (non-Hispanic)81.9%
Black (non-Hispanic)4.5%
Asian (non-Hispanic)0.3%
Hispanic or Latino10.1%
Veterans8.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$43,639
Income per person$29,588
Poverty rate18.9%
Households on SNAP or cash assistance30.9%

Household income distribution

Under $10k4.3%
$10–15k7.7%
$15–20k7.4%
$20–25k2.7%
$25–30k6.9%
$30–35k10.2%
$35–40k8.3%
$40–45k3.8%
$45–50k5.0%
$50–60k6.5%
$60–75k10.6%
$75–100k10.3%
$100–125k5.3%
$125–150k3.5%
$150–200k5.9%
$200k or more1.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed4,290
Mean adjusted gross income$46,077
Returns declaring $200,000 or more1.2%
Returns, under $25k37.8%
Returns, $25k–$50k30.5%
Returns, $50k–$75k14.2%
Returns, $75k–$100k8.4%
Returns, $100k–$200k7.9%
Returns, $200k or more1.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$90,400
Median gross rent$930
Rent as a share of household income30.5%
Owner-occupied55.3%
Vacant homes19.2%
Median year built1943

What the homes are

Detached house50.5%
Attached house21%
2 to 4 units16.1%
5 to 19 units5.9%
20 or more units3.4%
Mobile home3.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$158,097as of 2026-07
Typical home value, 1 yeardown 2.1%
Typical home value, 5 yearsup 34.3%
Typical home value, 10 yearsup 120.9%
Typical asking rent$1,225as of 2026-07
Typical home value since 2000
200020132026$161,501$67,977

$70,792 in 2000 to $158,097 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.4%
Bachelor's degree or higher11.4%
High school diploma or higher84.2%
Works from home7.1%
Drives to work alone73.8%
Takes public transport1.4%
Commutes 45 minutes or more10.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening62.8% 1.5 pts below the national average of 64.3%
Visited a dentist58.2% 3.1 pts below the national average of 61.3%
Mammography use74.4% 1.5 pts below the national average of 75.9%
Sleeps under 7 hours40.6% 4.2 pts above the national average of 36.4%
All natural teeth lost22.1% 9.1 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments100
People employed1,089
Annual payroll$44,897,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 29.1% of US census tracts
FEMA ratingVery Low to Relatively Low across the 6 census tracts this ZIP code covers
Expected annual loss25.4 out of 100
Community resilience69.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide81.5Relatively Low at its worst in this ZIP code
Winter weather71.7Relatively High at its worst in this ZIP code
River flooding60Relatively Moderate at its worst in this ZIP code
Cold wave58.3Relatively Moderate at its worst in this ZIP code
Wildfire56.2Very Low at its worst in this ZIP code
Hurricane55.7Relatively Low at its worst in this ZIP code
Lightning53.5Relatively Moderate at its worst in this ZIP code
Avalanche47.6Very Low at its worst in this ZIP code
Ice storm39Relatively Low at its worst in this ZIP code
Tornado35.8Relatively Low at its worst in this ZIP code
Heat wave32Relatively Low at its worst in this ZIP code
Strong wind31.3Relatively Low at its worst in this ZIP code
Earthquake31Very Low at its worst in this ZIP code
Hail28.8Very Low at its worst in this ZIP code
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Compared with Pennsylvania and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPPennsylvaniaUnited States
Median household income$43,639$76,081$78,538
Income per person$29,588$43,104$43,289
Poverty rate18.9%11.8%12.4%
Median home value$90,400$240,500$303,400
Median gross rent$930$1,162$1,348
Homeownership55.3%69.3%65%
Bachelor's degree or higher11.4%34.5%35%
Unemployment rate8.4%5.2%5.2%
Works from home7.1%13.8%13.5%
Born outside the US4.9%7.4%13.9%
Median age43.840.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWILKES-BARRE INTL AP, PA US20.9 km away
Rain in a year39 in
Snow in a year45 in

Average high and low by month

January35.7°F / 20.3°F2.59 in rain, 11.7 in snow
February38.8°F / 21.9°F2.07 in rain, 10.9 in snow
March47.6°F / 28.9°F2.77 in rain, 10.1 in snow
April61.1°F / 39.3°F3.26 in rain, 0.8 in snow
May72.2°F / 49.6°F3.26 in rain
June79.9°F / 58.1°F3.8 in rain
July84.6°F / 62.7°F3.61 in rain
August82.4°F / 61.1°F3.85 in rain
September75.1°F / 54°F4.15 in rain
October63.1°F / 43.3°F3.71 in rain, 0.7 in snow
November51.2°F / 34.3°F2.85 in rain, 3.2 in snow
December40.3°F / 26.3°F2.8 in rain, 7.7 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket25% of this ZIP code's area
No vehicle and far from a supermarket28% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Greater Nanticoke Area School District59.4% of this ZIP code's land area
Wyoming Valley West School District34.1% of this ZIP code's land area
Lake-Lehman School District6.5% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability39more vulnerable than 39% of US census tracts
Socioeconomic status56more vulnerable than 56% of US census tracts
Household characteristics29more vulnerable than 29% of US census tracts
Racial and ethnic minority status24more vulnerable than 24% of US census tracts
Housing type and transport37more vulnerable than 37% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

18766 Wilkes Barre, PA4.9 km away
18703 Wilkes Barre, PA5.2 km away
18701 Wilkes Barre, PA5.3 km away
18706 Wilkes Barre, PA5.5 km away
18704 Kingston, PA5.8 km away
18709 Luzerne, PA6.3 km away
18708 Shavertown, PA6.3 km away
18710 Wilkes Barre, PA6.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Luzerne County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area12.05 sq mi
Water area0.5 sq mi
Population density720 people per sq mi
Latitude, longitude41.2458, -75.9481

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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