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Union County ZIP Codes

List of ZIP Codes in Union County

The following table lists ZIP Codes associated with Union County, Pennsylvania, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 17829 40.90057 -77.15546 Hartleton 210 112.0
2 17835 40.88365 -77.19795 Laurelton 148 638.7
3 17837 40.97485 -76.94247 Lewisburg 18,312 125.8
4 17844 40.95904 -77.08747 Mifflinburg 10,374 37.6
5 17845 40.88308 -77.21628 Millmont 1,931 12.0
6 17855 40.88735 -76.97217 New Berlin 961 191.4
7 17856 41.05636 -76.9722 New Columbia 3,085 24.4
8 17880 40.89109 -77.12383 Swengel 7 62.2
9 17885 40.87042 -77.28941 Weikert 186 5.6
10 17886 41.01847 -76.87598 West Milton 777 381.9
11 17887 41.07508 -76.8849 White Deer 653 1541.8


About Union County ZIP Codes

Union County in Pennsylvania (PA) is served by approximately 11 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 36,644 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Union County are located in cities such as Lewisburg, Mifflinburg, New Columbia, Millmont, New Berlin. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Union County, Pennsylvania follow the America/New_York time zone.

Pennsylvania Counties ZIP Codes

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