Postal Codes

18106 ZIP Code

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ZIP code 18106 covers Allentown, Pennsylvania, with a population of about 6,437 and a median household income of $86,361.

Population
6,437809 per square mile
Median age
48.49.7 points above the US average
Median household income
$86,3611.1× the Pennsylvania median
Poverty rate
9.3%3.1 points below the US average
Typical home value
$454,091up 32.9% in five years
Median rent
$1,5541.3× the Pennsylvania median
Degree or higher
45.4%10.4 points above the US average
Homeownership
80.3%15.3 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
652

Where 18106 is

Allentown, 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

Population6,437
Median age48.4
Family households75.4%
Born outside the US13.3%
Speaks a language other than English at home22.7%
White (non-Hispanic)73.9%
Black (non-Hispanic)2.1%
Asian (non-Hispanic)8.8%
Hispanic or Latino13.3%
Veterans7.5%
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$86,361
Income per person$49,931
Poverty rate9.3%
Households on SNAP or cash assistance4%

Household income distribution

Under $10k2.3%
$10–15k0.0%
$15–20k3.4%
$20–25k4.2%
$25–30k5.0%
$30–35k1.9%
$35–40k1.7%
$40–45k2.8%
$45–50k5.3%
$50–60k2.8%
$60–75k14.6%
$75–100k12.7%
$100–125k8.5%
$125–150k6.4%
$150–200k10.3%
$200k or more18.2%

Income as declared to the IRS

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

Tax returns filed3,690
Mean adjusted gross income$102,252
Returns declaring $200,000 or more11.7%
Returns, under $25k27.1%
Returns, $25k–$50k18.2%
Returns, $50k–$75k14.6%
Returns, $75k–$100k9.2%
Returns, $100k–$200k19.2%
Returns, $200k or more11.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$361,200
Median gross rent$1,554
Rent as a share of household income31.1%
Owner-occupied80.3%
Vacant homes3.7%
Median year built1985

What the homes are

Detached house58.4%
Attached house16.9%
2 to 4 units3.1%
5 to 19 units6.1%
20 or more units6.7%
Mobile home6.9%
Boat, RV or van1.9%
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$454,091as of 2026-07
Typical home value, 1 yearup 4.8%
Typical home value, 5 yearsup 32.9%
Typical home value, 10 yearsup 83.3%
Typical asking rent$2,400as of 2026-07
Typical home value since 2000
200020132026$454,091$156,120

$156,120 in 2000 to $454,091 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6%
Bachelor's degree or higher45.4%
High school diploma or higher94.1%
Works from home16.9%
Drives to work alone71.6%
Takes public transport1.1%
Commutes 45 minutes or more13.8%
Health

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

Colorectal screening69.4% 5.1 pts above the national average of 64.3%
Visited a dentist73.5% 12.2 pts above the national average of 61.3%
Mammography use79% 3.1 pts above the national average of 75.9%
Sleeps under 7 hours31.4% 5 pts below the national average of 36.4%
All natural teeth lost7.3% 5.7 pts below the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments652
People employed20,140
Annual payroll$1,601,330,000
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 66.8% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss80.3 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.

Winter weather92.2Relatively High at its worst in this ZIP code
Cold wave88.7Very High at its worst in this ZIP code
Drought83.7Relatively Low at its worst in this ZIP code
Hurricane82.5Relatively Moderate at its worst in this ZIP code
Strong wind79.3Relatively Moderate at its worst in this ZIP code
River flooding75.5Relatively High at its worst in this ZIP code
Earthquake71.7Relatively Low at its worst in this ZIP code
Landslide71.1Relatively Low at its worst in this ZIP code
Heat wave69.8Relatively High at its worst in this ZIP code
Lightning69.2Relatively High at its worst in this ZIP code
Tornado58.9Relatively Moderate at its worst in this ZIP code
Wildfire54.2Very Low at its worst in this ZIP code
Ice storm48.5Relatively Low at its worst in this ZIP code
Hail33.1Relatively 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$86,361$76,081$78,538
Income per person$49,931$43,104$43,289
Poverty rate9.3%11.8%12.4%
Median home value$361,200$240,500$303,400
Median gross rent$1,554$1,162$1,348
Homeownership80.3%69.3%65%
Bachelor's degree or higher45.4%34.5%35%
Unemployment rate6%5.2%5.2%
Works from home16.9%13.8%13.5%
Born outside the US13.3%7.4%13.9%
Median age48.440.938.7
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 stationRODALE RSCH CTR, PA US11.6 km away
Rain in a year49 in

Average high and low by month

January37.6°F / 19.9°F3.37 in rain
February40.6°F / 20.8°F2.78 in rain
March49.3°F / 28.5°F3.93 in rain
April62°F / 38.7°F4.1 in rain
May71.7°F / 48.5°F3.77 in rain
June80.3°F / 57.6°F4.48 in rain
July85°F / 62.3°F5.41 in rain
August83.3°F / 60.2°F4.44 in rain
September76.7°F / 53.2°F4.78 in rain
October64.9°F / 41.3°F4.27 in rain
November53.3°F / 32.4°F3.57 in rain
December42.5°F / 24.8°F3.78 in rain
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 supermarket94% of this ZIP code's area
No vehicle and far from a supermarket9% 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.

Parkland School District71.5% of this ZIP code's land area
East Penn School District28.5% 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 vulnerability25more vulnerable than 25% of US census tracts
Socioeconomic status8more vulnerable than 8% of US census tracts
Household characteristics57more vulnerable than 57% of US census tracts
Racial and ethnic minority status39more vulnerable than 39% of US census tracts
Housing type and transport41more vulnerable than 41% of US census tracts
Walkability11.2 out of 20Above average
Nearby ZIP codes

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

18195 Allentown, PA2.9 km away
18087 Trexlertown, PA3.8 km away
18046 East Texas, PA4.6 km away
18069 Orefield, PA4.7 km away
18051 Fogelsville, PA5.7 km away
18104 Allentown, PA6.2 km away
18062 Macungie, PA6.3 km away
18031 Breinigsville, 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.

Lehigh County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.96 sq mi
Water area0.12 sq mi
Population density809 people per sq mi
Latitude, longitude40.5824, -75.5911

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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