Zip Code 18616 — Forksville, PA

18616 is a ZIP Code associated with Forksville, PA, located within Sullivan. 18616 ranks #3 out of 9 ZIP codes in Sullivan County by population (and #1234 out of 1,832 in PA). The area supports an estimated population of 734 residents across Data Pending housing units, with a population density of 4.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.519070, -76.639540)

Data MetricLocal Statistic
Postal / Zip Code18616
Primary CityForksville
State / ProvincePA
CountySullivan
Total Population734
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4.2 people/sq mi
TimezoneAmerica/New_York

How 18616 Compares

MetricZIP 18616Sullivan CountyPA State Average
Population7345,500 (Total)13,018,637 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density4.2 /sq mi----
County Pop Rank#3 of 9----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 17768Shunk5.9 mi367N/A
Zip 18619Hillsgrove7.1 mi162N/A
Zip 17731Eagles Mere7.2 mi188N/A
Zip 18833New Albany10.4 mi2,089N/A
Zip 18832Monroeton11.7 mi1,924N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →