Postal Codes

18037 ZIP Code

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ZIP code 18037 covers Coplay, Pennsylvania, with a population of about 7,459 and a median household income of $82,710.

Population
7,459980 per square mile
Median age
46.37.6 points above the US average
Median household income
$82,7101.1× the Pennsylvania median
Poverty rate
6.8%5.6 points below the US average
Typical home value
$364,119up 37% in five years
Median rent
$1,152about the Pennsylvania median
Degree or higher
30%5 points below the US average
Homeownership
83.5%18.5 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
103

Where 18037 is

Coplay, 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

Population7,459
Median age46.3
Family households60.3%
Born outside the US3.3%
Speaks a language other than English at home5.9%
White (non-Hispanic)83.9%
Black (non-Hispanic)0.6%
Asian (non-Hispanic)0%
Hispanic or Latino13%
Veterans6.9%
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$82,710
Income per person$44,954
Poverty rate6.8%
Households on SNAP or cash assistance8.8%

Household income distribution

Under $10k2.7%
$10–15k0.8%
$15–20k2.1%
$20–25k4.9%
$25–30k4.5%
$30–35k2.9%
$35–40k3.6%
$40–45k3.8%
$45–50k4.3%
$50–60k6.9%
$60–75k7.2%
$75–100k15.1%
$100–125k10.6%
$125–150k7.3%
$150–200k12.5%
$200k or more10.8%

Income as declared to the IRS

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

Tax returns filed3,980
Mean adjusted gross income$73,541
Returns declaring $200,000 or more4.3%
Returns, under $25k27.4%
Returns, $25k–$50k22.4%
Returns, $50k–$75k15.8%
Returns, $75k–$100k10.8%
Returns, $100k–$200k19.3%
Returns, $200k or more4.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$240,500
Median gross rent$1,152
Owner-occupied83.5%
Vacant homes2.6%
Median year built1974

What the homes are

Detached house54.4%
Attached house28%
2 to 4 units8.3%
5 to 19 units0.7%
20 or more units1.8%
Mobile home6.7%
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$364,119as of 2026-07
Typical home value, 1 yearup 3.9%
Typical home value, 5 yearsup 37%
Typical home value, 10 yearsup 91.1%
Typical home value since 2000
200020132026$364,119$123,934

$123,934 in 2000 to $364,119 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.3%
Bachelor's degree or higher30%
High school diploma or higher95.3%
Works from home10.5%
Drives to work alone85.1%
Takes public transport0%
Commutes 45 minutes or more9.4%
Health

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

Colorectal screening68.1% 3.8 pts above the national average of 64.3%
Visited a dentist66.9% 5.6 pts above the national average of 61.3%
Mammography use78% 2.1 pts above the national average of 75.9%
Sleeps under 7 hours34.7% 1.7 pts below the national average of 36.4%
All natural teeth lost10.8% 2.2 pts below the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments103
People employed1,075
Annual payroll$39,717,000
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 41.7% of US census tracts
FEMA ratingRelatively Low
Expected annual loss51.1 out of 100
Community resilience64.6 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.

Cold wave89.2Relatively High at its worst in this ZIP code
Winter weather87.9Relatively High at its worst in this ZIP code
Landslide81.8Relatively Low at its worst in this ZIP code
Drought81.6Relatively Low at its worst in this ZIP code
Hurricane72.8Relatively Low at its worst in this ZIP code
Heat wave70.1Relatively Moderate at its worst in this ZIP code
Lightning63.7Relatively Moderate at its worst in this ZIP code
Strong wind63.6Relatively Moderate at its worst in this ZIP code
Earthquake52.5Relatively Low at its worst in this ZIP code
River flooding49.7Relatively Moderate at its worst in this ZIP code
Wildfire46.5Very Low at its worst in this ZIP code
Tornado46Relatively Low at its worst in this ZIP code
Ice storm37.4Relatively Low at its worst in this ZIP code
Hail32.2Very 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$82,710$76,081$78,538
Income per person$44,954$43,104$43,289
Poverty rate6.8%11.8%12.4%
Median home value$240,500$240,500$303,400
Median gross rent$1,152$1,162$1,348
Homeownership83.5%69.3%65%
Bachelor's degree or higher30%34.5%35%
Unemployment rate1.3%5.2%5.2%
Works from home10.5%13.8%13.5%
Born outside the US3.3%7.4%13.9%
Median age46.340.938.7
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 US4.5 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 supermarketNone of this ZIP code
Far from a supermarket93% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
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.

Parkland School District92.5% of this ZIP code's land area
Whitehall-Coplay School District7.5% 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 vulnerability12more vulnerable than 12% of US census tracts
Socioeconomic status12more vulnerable than 12% of US census tracts
Household characteristics36more vulnerable than 36% of US census tracts
Racial and ethnic minority status17more vulnerable than 17% of US census tracts
Housing type and transport22more vulnerable than 22% of US census tracts
Walkability6.6 out of 20Below average
Nearby ZIP codes

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

18052 Whitehall, PA1.7 km away
18032 Catasauqua, PA2.7 km away
18001 Lehigh Valley, PA3.3 km away
18003 Lehigh Valley, PA3.3 km away
18016 Bethlehem, PA3.3 km away
18067 Northampton, PA3.4 km away
18002 Lehigh Valley, PA5.9 km away
18109 Allentown, PA6 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.

Lehigh County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.61 sq mi
Water area0.15 sq mi
Population density980 people per sq mi
Latitude, longitude40.6701, -75.4955

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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