Marion County, South Carolina

Marion County, South Carolina, has 28,242 residents (July 2025 estimate). Its county seat is Marion. It uses Eastern Time and covers 489 sq mi (1,267 km²) of land.

CharlestonColumbiaNorth Charleston
Marion County in South Carolina
Florence CountyHorry CountyMarionMullinsDavistonNicholsSellers
Marion County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
28,242
Land area
489 sq mi (1,267 km²)
County seat or government
Marion
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$36,301 ± $5,615
Median home value
$93,200 ± $9,215
Median rent, with utilities
$669 ± $50
Homes lived in by their owners
62.6% ± 3.1 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Florence, SC metro area, Myrtle Beach-Conway-North Myrtle Beach, SC metro area, and Murrells Inlet, SC micro area
Water area
4.79 sq mi (12.4 km²)
State
South Carolina
County code (FIPS)
45067
Coordinates (central point)
34.083620, -79.354001

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Marion County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 2957113,457 people
  2. 295749,413 people
  3. 295657,109 people
  4. 295814,845 people
  5. 295462,683 people
  6. 29592969 people
  7. 2951999 people
  8. 2958965 people

8 ZIP Code areas overlap Marion County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Marion County, largest first

  1. Marion School District 1028,664 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Marion, South Carolina (city)6,206 people
  2. Mullins, South Carolina (city)3,914 people
  3. Daviston, South Carolina (CDP)262 people
  4. Nichols, South Carolina (town)240 people
  5. Sellers, South Carolina (town)192 people
  6. Centenary, South Carolina (CDP)191 people
  7. Rains, South Carolina (CDP)84 people
  8. Zion, South Carolina (CDP)76 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Florence County, South Carolina21 mi west
  2. Dillon County, South Carolina21 mi north
  3. Horry County, South Carolina25 mi southeast
  4. Williamsburg County, South Carolina38 mi southwest
  5. Georgetown County, South Carolina46 mi south

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.