Marion County, SC ZIP codes
Marion County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Marion County ZIP codes
The ZIP codes of Marion County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Marion County in numbers
About 28,664 people live in Marion County, in 12,177 households, the 32nd most populous of South Carolina's 46 counties. The median household income is $36,301 a year, 48% below the South Carolina median of $69,324 (US: $80,734). The median owner-occupied home is valued at $93,200 (64% below the South Carolina median), and median gross rent is $669 a month. The median age is 42.6; 14.5% of adults 25 and over hold a bachelor's degree or higher (32.1% across South Carolina); the average commute takes 28 minutes.
| Population | 28,664 |
|---|---|
| Households | 12,177 |
| Median age | 42.6 |
| Median household income | $36,301 |
| Median home value | $93,200 |
| Median gross rent | $669 |
| Bachelor's degree or higher | 14.5% |
| Mean commute | 28.3 min |
| Population density | 59 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Marion County
| Town | ZIP codes | Population |
|---|---|---|
| Marion | 1 | 6,206 |
| Mullins | 1 | 3,914 |
| Gresham | 1 | 2,683 |
| Sellers | 1 | 192 |
| Centenary | 1 | 191 |
| Rains | 1 | 84 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Marion County.
Not sure you are in Marion County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Marion County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
29519 | Centenary , SC | Standard | 99 | $13,777 | — |
29546 | Gresham , SC | Standard | 2,683 | $32,043 | $97,100 |
29571 | Marion , SC | Standard | 13,457 | $37,395 | $108,400 |
29574 | Mullins , SC | Standard | 9,413 | $34,112 | $87,200 |
29589 | Rains , SC | Standard | 65 | — | — |
29592 | Sellers , SC | Standard | 969 | $42,649 | $46,800 |
Cite this page
zipcodes.pro. “Marion County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/sc/county/marion
Underlying data is public domain or openly licensed — sources, vintages and licences.