Union County ZIP Codes

List of ZIP Codes in Union County

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


S.N. Zip Code Latitude Longitude City Population Density
1 29321 34.71975 -81.74151 Buffalo 3,147 30.9
2 29353 34.83064 -81.65636 Jonesville 3,627 15.3
3 29364 34.78846 -81.46202 Lockhart 525 260.2
4 29379 34.68772 -81.60403 Union 17,580 28.0


About Union County ZIP Codes

Union County in South Carolina (SC) is served by approximately 4 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 24,879 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 Union, Jonesville, Buffalo, Lockhart. These cities and towns help define the economic and demographic character of the county.

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