Allentown-Bethlehem-Easton, PA-NJ · Pennsylvania

Lehigh County

ZIP 18104

375,408 residents697 permits TTM$77,493 median HHI28 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$276,100

ACS 5-Year

Cap rate proxy

5.8%

FMR × 0.65 ÷ Home Value

Rent-to-income

20.5%

HUD FMR ÷ ACS HHI

Net migration

+2.12%

IRS SOI

Permits (TTM)

697

Census BPS

Climate risk

93.9

FEMA NRI (0–100)

ZIP 18104

Median home value

Gross yield

Buy Box score

0.9

Section 8 gap

Affordability

P/I: 5.0R/I: 33.1%

Section 8 detail

SAFMR: Rent: Gap:
ZIP code breakdown28 ZIP codes
ZIPMedian home valueRent (FMR 2BR)Gross yieldBuy Box scoreSection 8 gap
181011.0
181021.0
180321.0
181091.0
180180.9
181030.9
180800.9
180520.9
180370.9
180530.9
181040.9
180660.8
181060.8
180490.8
180590.7
180920.7
180620.7
180780.7
180690.6
180340.5
180310.5
18036$276,100$1,4406.3%0.58.6%
180510.3
18046
18065
18079
18087
18195

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Demographics

Owner-occupied

65.2%

Census ACS

Vacancy rate

4.7%

Census ACS

Bachelor's degree +

33.4%

Census ACS

Rent burdened

51.2%

Census ACS (>30% income)

Median age

39.3

Census ACS

Data sources
U.S. Census Bureau — American Community Survey 5-Year Estimates
U.S. Census Bureau — Building Permits Survey
U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)
Internal Revenue Service — Statistics of Income Migration Data
FEMA — National Risk Index
Last updated: April 16, 2026