ZIP Code 18351

ZIP code 18351 is classified by USPS as a standard delivery area and covers roughly 1.0 square miles in Portland, Northampton County, Pennsylvania. The area is home to 518 residents, producing a population density of 543 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 18351 against Pennsylvania and the nation.

On the economic side, the median household income for ZIP 18351 sits at $52,679 (32% below the Pennsylvania average), while per-capita income is $30,981. The poverty rate stands at 20.0% and the unemployment rate at 4.0%. On housing, the median home value is $266,900 (17% above the state average) with median rent at $1,217 per month, and 54.0% of occupied units are owner-occupied, a direct signal of whether 18351 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 18.8% of adults hold a bachelor's degree or higher, the median age is 46.4, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Northampton County, so you can benchmark 18351 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →