Postal Codes

18331 ZIP Code

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ZIP code 18331 covers Gilbert, Pennsylvania, with a population of about 552.

Population
552210 per square mile
Median age
64.525.8 points above the US average
Poverty rate
16.1%3.7 points above the US average
Typical home value
$320,159up 21.3% in five years
Degree or higher
9.1%25.9 points below the US average
Homeownership
75.5%10.5 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
38

Where 18331 is

Gilbert, 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

Population552
Median age64.5
Family households58.6%
Born outside the US3.8%
Speaks a language other than English at home3.6%
White (non-Hispanic)97.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)2.5%
Hispanic or Latino0.2%
Veterans24.7%
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

Poverty rate16.1%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k22.1%
$10–15k8.3%
$15–20k6.2%
$20–25k11.0%
$25–30k0.0%
$30–35k0.0%
$35–40k8.6%
$40–45k0.0%
$45–50k0.0%
$50–60k7.2%
$60–75k0.0%
$75–100k11.0%
$100–125k7.2%
$125–150k2.4%
$150–200k0.0%
$200k or more15.9%

Income as declared to the IRS

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

Tax returns filed380
Mean adjusted gross income$57,861
Returns declaring $200,000 or more0%
Returns, under $25k34.2%
Returns, $25k–$50k23.7%
Returns, $50k–$75k15.8%
Returns, $75k–$100k10.5%
Returns, $100k–$200k15.8%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$276,800
Owner-occupied75.5%
Vacant homes2.4%
Median year built1978

What the homes are

Detached house91.6%
2 to 4 units8.4%
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$320,159as of 2026-07
Typical home value, 1 yearup 0.8%
Typical home value, 5 yearsup 21.3%
Typical home value, 10 yearsup 94.1%
Typical home value since 2000
200520152026$322,252$155,945

$167,702 in 2005 to $320,159 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate27.7%
Bachelor's degree or higher9.1%
High school diploma or higher99.8%
Works from home7.5%
Drives to work alone92.5%
Takes public transport0%
Commutes 45 minutes or more44.1%
Health

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

Colorectal screening65.7% 1.4 pts above the national average of 64.3%
Visited a dentist62.9% 1.6 pts above the national average of 61.3%
Mammography use76.4% 0.5 pts above the national average of 75.9%
Sleeps under 7 hours40.6% 4.2 pts above the national average of 36.4%
All natural teeth lost12.7% same as the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments38
People employed238
Annual payroll$8,204,000
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 50.9% of US census tracts
FEMA ratingRelatively Low
Expected annual loss53.6 out of 100
Community resilience20.1 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.

Lightning94.2Relatively High at its worst in this ZIP code
Cold wave89Relatively High at its worst in this ZIP code
Winter weather87.4Relatively High at its worst in this ZIP code
Landslide83.4Relatively Low at its worst in this ZIP code
Hurricane73.6Relatively Low at its worst in this ZIP code
River flooding67.6Relatively Moderate at its worst in this ZIP code
Strong wind65Relatively Moderate at its worst in this ZIP code
Wildfire63.9Very Low at its worst in this ZIP code
Ice storm63.6Relatively Low at its worst in this ZIP code
Tornado47.8Relatively Low at its worst in this ZIP code
Heat wave39.9Relatively Low at its worst in this ZIP code
Earthquake39.7Relatively Low at its worst in this ZIP code
Hail28Very 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$76,081$78,538
Income per person$43,104$43,289
Poverty rate16.1%11.8%12.4%
Median home value$276,800$240,500$303,400
Median gross rent$1,162$1,348
Homeownership75.5%69.3%65%
Bachelor's degree or higher9.1%34.5%35%
Unemployment rate27.7%5.2%5.2%
Works from home7.5%13.8%13.5%
Born outside the US3.8%7.4%13.9%
Median age64.540.938.7
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 stationE STROUDSBURG, PA US22.2 km away
Rain in a year54 in
Snow in a year42 in

Average high and low by month

January35.8°F / 19.3°F3.78 in rain, 11.3 in snow
February39.3°F / 20.6°F3.12 in rain, 10.3 in snow
March48.2°F / 27.9°F4.04 in rain, 9.5 in snow
April61.9°F / 37.2°F4.31 in rain, 0.9 in snow
May72.1°F / 47.4°F4.41 in rain
June79.6°F / 56.1°F5.5 in rain
July84.3°F / 61°F4.71 in rain
August82.3°F / 59.2°F4.83 in rain
September74.9°F / 52.3°F5.3 in rain
October63°F / 40.4°F5.24 in rain, 0.1 in snow
November51°F / 31.5°F3.89 in rain, 1.5 in snow
December40.4°F / 24.5°F4.42 in rain, 8 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 supermarketNone of this ZIP code
No vehicle and far from a supermarket65% 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%.

Pleasant Valley School District100% 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 vulnerability46more vulnerable than 46% of US census tracts
Socioeconomic status54more vulnerable than 54% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status35more vulnerable than 35% of US census tracts
Housing type and transport38more vulnerable than 38% of US census tracts
Walkability6 out of 20Below average
Nearby ZIP codes

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

18322 Brodheadsville, PA3 km away
18058 Kunkletown, PA3.9 km away
18353 Saylorsburg, PA5.6 km away
18333 Kresgeville, PA6.5 km away
18330 Effort, PA6.7 km away
18354 Sciota, PA9.1 km away
18091 Wind Gap, PA13.5 km away
18352 Reeders, PA14.6 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.

Monroe County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area2.63 sq mi
Population density210 people per sq mi
Latitude, longitude40.9089, -75.4314

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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