Interactive and printable 18109 ZIP code maps, population demographics, Allentown PA real estate costs, rental prices, and home values.

Jan 2, 2026 · Explore ZIP Code 18109 in Allentown, PA — interactive map, demographics, housing data, income levels, schools, and local area information for residents and businesses.

Zillow has 16 homes for sale in 18109. View listing photos, review sales history, and use our detailed real estate filters to find the perfect place.

According to our research of Pennsylvania and other state lists, there were 18 registered sex offenders living in 18109 zip code as of September 22, 2025. The ratio of all residents to sex …

Instantly search and view photos of all homes for sale in 18109, PA now. 18109, PA real estate listings updated every 15 to 30 minutes.

Realtor.com® has 30 homes for sale in 18109, PA. The median listing price is $272,450. Browse the latest listings and find your dream home today.

View a map of the businesses, restaurants, and shopping in zip code 18109, Allentown, PA. Read reviews and get directions to where you want to go.

Map, population, demographics, economic characteristics and real estate information for ZIP Code 18109.

Living in 18109 Allentown, PA is a unique experience because it is an area with a mixture of urban and suburban vibes. The city has plenty to offer in terms of dining and entertainment, as well …

Below is the list of cities accepted by the US Post Office for ZIP Code 18109. Always mention the preferred or acceptable city when mailing packages or letters to avoid unforeseen delivery …