Postal Codes

18088 ZIP Code

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ZIP code 18088 covers Walnutport, Pennsylvania, with a population of about 8,162 and a median household income of $76,025.

Population
8,162428 per square mile
Median age
48.29.5 points above the US average
Median household income
$76,025about the Pennsylvania median
Poverty rate
8.1%4.3 points below the US average
Typical home value
$357,576up 32.3% in five years
Median rent
$1,2361.1× the Pennsylvania median
Degree or higher
18.7%16.3 points below the US average
Homeownership
89.3%24.3 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
164

Where 18088 is

Walnutport, 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

Population8,162
Median age48.2
Family households67.9%
Born outside the US1.8%
Speaks a language other than English at home3.8%
White (non-Hispanic)89.1%
Black (non-Hispanic)2.1%
Asian (non-Hispanic)1.3%
Hispanic or Latino3.7%
Veterans10.1%
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$76,025
Income per person$38,387
Poverty rate8.1%
Households on SNAP or cash assistance8.7%

Household income distribution

Under $10k1.8%
$10–15k1.7%
$15–20k2.7%
$20–25k2.9%
$25–30k3.1%
$30–35k4.9%
$35–40k3.8%
$40–45k4.4%
$45–50k10.1%
$50–60k6.5%
$60–75k6.6%
$75–100k13.6%
$100–125k11.5%
$125–150k9.8%
$150–200k8.6%
$200k or more8.0%

Income as declared to the IRS

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

Tax returns filed4,620
Mean adjusted gross income$80,171
Returns declaring $200,000 or more5.2%
Returns, under $25k26.4%
Returns, $25k–$50k20.8%
Returns, $50k–$75k15.8%
Returns, $75k–$100k11.7%
Returns, $100k–$200k20.1%
Returns, $200k or more5.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$241,200
Median gross rent$1,236
Owner-occupied89.3%
Vacant homes9.2%
Median year built1980

What the homes are

Detached house70%
Attached house9.5%
2 to 4 units1.5%
5 to 19 units0.9%
Mobile home18.1%
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$357,576as of 2026-07
Typical home value, 1 yearup 2.2%
Typical home value, 5 yearsup 32.3%
Typical home value, 10 yearsup 82.9%
Typical home value since 2000
200420152026$357,576$180,432

$183,808 in 2004 to $357,576 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4%
Bachelor's degree or higher18.7%
High school diploma or higher94.2%
Works from home14%
Drives to work alone77.3%
Takes public transport0%
Commutes 45 minutes or more13.6%
Health

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

Colorectal screening70.9% 6.6 pts above the national average of 64.3%
Visited a dentist65.2% 3.9 pts above the national average of 61.3%
Mammography use75.2% 0.7 pts below the national average of 75.9%
Sleeps under 7 hours35.7% 0.7 pts below the national average of 36.4%
All natural teeth lost13.1% same as the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments164
People employed1,813
Annual payroll$61,026,000
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 26.3% of US census tracts
FEMA ratingVery Low to Relatively Low across the 4 census tracts this ZIP code covers
Expected annual loss33.5 out of 100
Community resilience64.8 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.

Landslide86.5Relatively Low at its worst in this ZIP code
Winter weather83.7Relatively High at its worst in this ZIP code
Drought75.9Relatively Low at its worst in this ZIP code
Hurricane68.6Relatively Low at its worst in this ZIP code
Heat wave67.6Relatively Moderate at its worst in this ZIP code
Lightning66.4Relatively High at its worst in this ZIP code
Wildfire59Very Low at its worst in this ZIP code
Cold wave55.8Relatively Moderate at its worst in this ZIP code
Tornado46.5Relatively Moderate at its worst in this ZIP code
River flooding43.7Relatively Moderate at its worst in this ZIP code
Strong wind42.4Relatively Moderate at its worst in this ZIP code
Ice storm40.3Relatively Low at its worst in this ZIP code
Earthquake34.5Relatively Low at its worst in this ZIP code
Hail26.2Very Low at its worst in this ZIP code
Avalanche17.6Very 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$76,025$76,081$78,538
Income per person$38,387$43,104$43,289
Poverty rate8.1%11.8%12.4%
Median home value$241,200$240,500$303,400
Median gross rent$1,236$1,162$1,348
Homeownership89.3%69.3%65%
Bachelor's degree or higher18.7%34.5%35%
Unemployment rate4%5.2%5.2%
Works from home14%13.8%13.5%
Born outside the US1.8%7.4%13.9%
Median age48.240.938.7
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 stationLEHIGHTON 1SSW, PA US12.9 km away
Rain in a year52 in
Snow in a year27 in

Average high and low by month

January35.6°F / 18.7°F3.76 in rain, 7.8 in snow
February38.4°F / 20.6°F2.92 in rain, 9.8 in snow
March47.2°F / 27.7°F3.9 in rain, 6.3 in snow
April60.9°F / 38°F3.86 in rain, 0.4 in snow
May70.5°F / 48.3°F4.25 in rain
June77.6°F / 57.1°F5.15 in rain
July81.7°F / 62.4°F4.65 in rain
August79.8°F / 60°F4.86 in rain
September73.3°F / 52.7°F5.6 in rain
October61.6°F / 41.1°F4.73 in rain
November50.1°F / 31.7°F3.85 in rain, 0.3 in snow
December39.8°F / 24.4°F4.36 in rain, 2.7 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 supermarket96% of this ZIP code's area
No vehicle and far from a supermarket33% 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 2 school districts, so the address decides which one, not the ZIP code.

Northampton Area School District96.1% of this ZIP code's land area
Northern Lehigh School District3.9% 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 vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status43more vulnerable than 43% of US census tracts
Household characteristics25more vulnerable than 25% of US census tracts
Racial and ethnic minority status10more vulnerable than 10% of US census tracts
Housing type and transport31more vulnerable than 31% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

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

18035 Cherryville, PA2.5 km away
18086 Treichlers, PA3.3 km away
18038 Danielsville, PA4.8 km away
18080 Slatington, PA5.4 km away
18059 Laurys Station, PA5.6 km away
18012 Aquashicola, PA6.2 km away
18071 Palmerton, PA6.9 km away
18079 Slatedale, PA8.1 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.

Northampton County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area19.05 sq mi
Water area0.43 sq mi
Population density428 people per sq mi
Latitude, longitude40.7615, -75.5657

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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