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Zip Code 17856 — New Columbia, PA

17856 is a ZIP Code associated with New Columbia, PA, located within Union. 17856 ranks #3 out of 11 ZIP codes in Union County by population (and #790 out of 1,832 in PA). The area supports an estimated population of 3,167 residents across Data Pending housing units, with a population density of 25.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.056360, -76.972200)

Data MetricLocal Statistic
Postal / Zip Code17856
Primary CityNew Columbia
State / ProvincePA
CountyUnion
Total Population3,167
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density25.1 people/sq mi
TimezoneAmerica/New_York

How 17856 Compares

MetricZIP 17856Union CountyPA State Average
Population3,16736,864 (Total)13,018,637 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density25.1 /sq mi----
County Pop Rank#3 of 11----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 17887White Deer4.7 mi591N/A
Zip 17810Allenwood4.8 mi5,309N/A
Zip 17886West Milton5.7 mi804N/A
Zip 17837Lewisburg5.8 mi18,403N/A
Zip 17730Dewart6.1 mi11N/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 →