Postal Codes

18015 ZIP Code

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ZIP code 18015 covers Bethlehem, Pennsylvania, with a population of about 34,259 and a median household income of $58,470.

Population
34,2591,477 per square mile
Median age
31.57.2 points below the US average
Median household income
$58,47023% below the Pennsylvania median
Poverty rate
15.3%2.9 points above the US average
Typical home value
$296,372up 34.4% in five years
Median rent
$1,3101.1× the Pennsylvania median
Degree or higher
30.7%4.3 points below the US average
Homeownership
50%15 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
588

Where 18015 is

Bethlehem, 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

Population34,259
Median age31.5
Family households59.1%
Born outside the US11.7%
Speaks a language other than English at home27.4%
White (non-Hispanic)52.6%
Black (non-Hispanic)10%
Asian (non-Hispanic)4.5%
Hispanic or Latino29.4%
Veterans3.7%
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

Median household income$58,470
Income per person$36,171
Poverty rate15.3%
Households on SNAP or cash assistance22.3%

Household income distribution

Under $10k5.3%
$10–15k4.4%
$15–20k5.2%
$20–25k3.8%
$25–30k5.1%
$30–35k3.7%
$35–40k6.1%
$40–45k4.5%
$45–50k4.8%
$50–60k8.8%
$60–75k8.8%
$75–100k9.3%
$100–125k6.9%
$125–150k6.2%
$150–200k6.4%
$200k or more10.7%

Income as declared to the IRS

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

Tax returns filed14,200
Mean adjusted gross income$98,446
Returns declaring $200,000 or more6.3%
Returns, under $25k31.3%
Returns, $25k–$50k27.3%
Returns, $50k–$75k15.4%
Returns, $75k–$100k8.1%
Returns, $100k–$200k11.6%
Returns, $200k or more6.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$243,100
Median gross rent$1,310
Rent as a share of household income34.2%
Owner-occupied50%
Vacant homes7.7%
Median year built1954

What the homes are

Detached house41.6%
Attached house24.9%
2 to 4 units11.8%
5 to 19 units13.6%
20 or more units7.8%
Mobile home0.4%
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$296,372as of 2026-07
Typical home value, 1 yearup 3.6%
Typical home value, 5 yearsup 34.4%
Typical home value, 10 yearsup 97.1%
Typical asking rent$1,691as of 2026-07
Typical asking rent, 1 yearup 6.2%
Typical home value since 2000
200120132026$296,372$102,661

$102,661 in 2001 to $296,372 in 2026.

Typical asking rent
202220242026$1,691$1,394

$1,394 in 2022 to $1,691 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.1%
Bachelor's degree or higher30.7%
High school diploma or higher87%
Works from home13.1%
Drives to work alone63.8%
Takes public transport3.1%
Commutes 45 minutes or more12.1%
Health

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

Colorectal screening64.1% same as the national average of 64.3%
Visited a dentist58.4% 2.9 pts below the national average of 61.3%
Mammography use74.5% 1.4 pts below the national average of 75.9%
Sleeps under 7 hours37.9% 1.5 pts above the national average of 36.4%
All natural teeth lost14.4% 1.4 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments588
People employed29,557
Annual payroll$1,926,917,000
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 53.6% of US census tracts
FEMA ratingVery Low to Relatively High across the 12 census tracts this ZIP code covers
Expected annual loss59.6 out of 100
Community resilience64.7 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.

Winter weather86Relatively High at its worst in this ZIP code
Landslide82.1Relatively Low at its worst in this ZIP code
Hurricane75.3Relatively Moderate at its worst in this ZIP code
River flooding69.6Very High at its worst in this ZIP code
Heat wave67.9Relatively Moderate at its worst in this ZIP code
Lightning66.5Relatively High at its worst in this ZIP code
Drought66.2Relatively Low at its worst in this ZIP code
Cold wave66.1Very High at its worst in this ZIP code
Strong wind64Relatively Moderate at its worst in this ZIP code
Earthquake51.5Relatively Low at its worst in this ZIP code
Tornado50.2Relatively Moderate at its worst in this ZIP code
Wildfire42.4Very Low at its worst in this ZIP code
Ice storm39.5Relatively Low at its worst in this ZIP code
Hail25.8Very Low at its worst in this ZIP code
Avalanche17.5Very 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$58,470$76,081$78,538
Income per person$36,171$43,104$43,289
Poverty rate15.3%11.8%12.4%
Median home value$243,100$240,500$303,400
Median gross rent$1,310$1,162$1,348
Homeownership50%69.3%65%
Bachelor's degree or higher30.7%34.5%35%
Unemployment rate9.1%5.2%5.2%
Works from home13.1%13.8%13.5%
Born outside the US11.7%7.4%13.9%
Median age31.540.938.7
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 stationALLENTOWN INTL AP, PA US8.1 km away
Rain in a year47 in
Snow in a year33 in

Average high and low by month

January38.4°F / 21.8°F3.3 in rain, 9.8 in snow
February41.6°F / 23.2°F2.77 in rain, 10.8 in snow
March50.8°F / 30.5°F3.63 in rain, 6.3 in snow
April63.4°F / 40.3°F3.67 in rain, 0.5 in snow
May73.5°F / 50.6°F3.65 in rain
June81.9°F / 59.9°F4.4 in rain
July86.4°F / 64.7°F5.3 in rain
August84.3°F / 62.8°F4.56 in rain
September77.4°F / 55.2°F4.84 in rain
October65.5°F / 43.8°F4.14 in rain, 0.2 in snow
November53.8°F / 34.1°F3.24 in rain, 0.9 in snow
December43.1°F / 26.8°F3.86 in rain, 4.6 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 supermarket29% of this ZIP code's area
Far from a supermarket70% of this ZIP code's area
No vehicle and far from a supermarket31% 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 4 school districts, so the address decides which one, not the ZIP code.

Saucon Valley School District35.2% of this ZIP code's land area
Bethlehem Area School District33.4% of this ZIP code's land area
Southern Lehigh School District17.5% of this ZIP code's land area
Salisbury Township School District13.8% 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 vulnerability41more vulnerable than 41% of US census tracts
Socioeconomic status39more vulnerable than 39% of US census tracts
Household characteristics52more vulnerable than 52% of US census tracts
Racial and ethnic minority status38more vulnerable than 38% of US census tracts
Housing type and transport48more vulnerable than 48% of US census tracts
Walkability9.7 out of 20Below average
Nearby ZIP codes

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

18025 Bethlehem, PA3 km away
18018 Bethlehem, PA3.2 km away
18055 Hellertown, PA5.1 km away
18109 Allentown, PA6.5 km away
18017 Bethlehem, PA6.9 km away
18103 Allentown, PA7.2 km away
18101 Allentown, PA7.5 km away
18034 Center Valley, PA7.7 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 County65.5% of this ZIP code's land area
Lehigh County34.5% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area23.19 sq mi
Water area0.34 sq mi
Population density1,477 people per sq mi
Latitude, longitude40.6002, -75.3805

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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