ZIP Code 18109

In Allentown's 18109 ZIP code, homes carry a median value of $198,800, and the county-level effective property tax rate of 1.55% works out to roughly $3,081 a year for a home at that price. With median household income at $58,031 and per-capita income at $28,396, that tax bill equals about 5.3% of a typical household's annual earnings. Sales taxes add 6.00% to purchases. The gap between what homes cost and what residents earn shapes how far each paycheck stretches across mortgage, taxes, and daily expenses in this part of the Lehigh Valley.