Marion County, South Carolina Cities (2024)

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
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Marion16,1216,416-1.2%1,3674.5City
Mullins23,8444,008-1.05%1,2723.0City
Centenary36825917.57%7220.9CDP
Daviston42874467.9%2231.3CDP
Sellers5145148-0.69%2170.7Town
Rains6114677.55%851.3CDP

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.

What is the largest city in Marion County, South Carolina?

Marion is the largest city in Marion County.

What is the smallest city in Marion County, South Carolina?

Rains is the smallest city in Marion County.

How many cities are in Marion County?

There are 6 cities in Marion County, South Carolina.

Frequently Asked Questions