There are 8 zip codes in Union County, North Carolina. The most populated is 28173, located in Waxhaw. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
2817362,501Waxhaw
2811054,577Monroe
2807940,539Indian Trail
2810435,285Matthews
2811227,845Monroe
2810310,499Marshville
281748,547Wingate
2810827Mineral Springs

Zip Codes in Union County, North Carolina by Population (2024)