There are 21 cities in Union County, North Carolina.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Charlotte | 1 | North Carolina | 920,325 | 875,115 | 1.24% | 2,962 | 310.76 |
| Indian Trail | 2 | North Carolina | 43,173 | 40,275 | 1.71% | 1,894 | 22.80 |
| Monroe | 3 | North Carolina | 37,383 | 34,653 | 1.86% | 1,193 | 31.33 |
| Matthews | 4 | North Carolina | 30,731 | 29,517 | 1% | 1,796 | 17.11 |
| Mint Hill | 5 | North Carolina | 27,761 | 26,525 | 1.13% | 1,129 | 24.59 |
| Waxhaw | 6 | North Carolina | 24,294 | 20,772 | 3.76% | 2,000 | 12.14 |
| Stallings | 7 | North Carolina | 17,340 | 16,196 | 1.68% | 2,070 | 8.38 |
| Weddington | 8 | North Carolina | 14,180 | 13,254 | 1.66% | 809 | 17.53 |
| Wesley Chapel | 9 | North Carolina | 9,352 | 8,728 | 1.7% | 962 | 9.72 |
| Unionville | 10 | North Carolina | 7,107 | 6,643 | 1.66% | 243 | 29.25 |
| Marvin | 11 | North Carolina | 6,854 | 6,394 | 1.71% | 1,143 | 6 |
| Midland | 12 | North Carolina | 5,100 | 4,734 | 1.84% | 382 | 13.34 |
| Locust | 13 | North Carolina | 4,860 | 4,556 | 1.59% | 591 | 8.22 |
| Wingate | 14 | North Carolina | 4,221 | 4,061 | 0.96% | 1,808 | 2.33 |
| Fairview | 15 | North Carolina | 3,732 | 3,474 | 1.77% | 124 | 29.98 |
| Lake Park | 16 | North Carolina | 3,509 | 3,297 | 1.53% | 4,774 | 0.73 |
| Mineral Springs | 17 | North Carolina | 3,410 | 3,178 | 1.73% | 415 | 8.21 |
| Marshville | 18 | North Carolina | 2,696 | 2,538 | 1.51% | 1,270 | 2.12 |
| Hemby Bridge | 19 | North Carolina | 1,722 | 1,616 | 1.59% | 752 | 2.29 |
| JAARS | 20 | North Carolina | 699 | 1,090 | -11.85% | 814 | 0.86 |
| Peachland | 21 | North Carolina | 390 | 392 | 0% | 387 | 1.01 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Charlotte is the largest city in Union County.
Peachland is the smallest city in Union County.
There are 21 cities in Union County, North Carolina.