Union County, Pennsylvania

Browse all ZIP codes in Union County, Pennsylvania. Each ZIP code page includes population, median household income, and a map of the area.

County Statistics

Total Population 39,985
Median Household Income $69,290
Median Age 40.2
Unemployment Rate 2.4%
Poverty Rate 8.8%
ZIP Codes 12

Largest ZIP Codes in Union County

ZIP Code City Population Median Income
17837Lewisburg18,670$62,090
17844Mifflinburg10,227$64,063
17856New Columbia3,107$76,083
17889Winfield2,997$73,226
17845Millmont2,051$58,750

Demographics

Race & Ethnicity

Gender

Education Level (adults 25+)

All ZIP Codes in Union County