About 18850 - Ulster, Pennsylvania
The ZIP code 18850 of Ulster falls within Pennsylvania, the United States - a small area by population. It sits within Bradford County.
Census data puts the population of this ZIP code at 2,070 residents. That's below the Pennsylvania average of about 7,188 people per ZIP code.
Population density runs around 12 people per sq. mile, making it a rural area.
This ZIP code sits alongside neighboring areas like Philadelphia, Lancaster within Pennsylvania.