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Zip Code 18850 — Ulster, PA

ZIP Code 18850 is associated with Ulster, PA, in Bradford County. The listed population estimate is 2,070; estimated density is 12.8 people per square mile. Among records with population estimates, it ranks #12 of 23 in Bradford County and #939 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.859160, -76.491260)

Data MetricLocal Statistic
Postal / Zip Code18850
Primary CityUlster
State / ProvincePA
CountyBradford
Total Population2,070
Population Density12.8 people/sq mi
TimezoneAmerica/New_York

How 18850 Compares

MetricZIP 18850Bradford County recordsPA records
Population estimate2,07061,966 (sum)13,018,637 (sum)
Population Density12.8 /sq mi----
County population rank#12 of 23----
State population rank#939 of 1,811----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in PA

ZIP CodeCityDistancePopulation estimate
ZIP 18810Athens5.4 mi5,774
ZIP 18831Milan6.5 mi1,081
ZIP 18817East Smithfield6.7 mi74
ZIP 18848Towanda7.5 mi8,199
ZIP 18814Burlington7.8 mi200

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 →