Marlboro County GIS Maps
Home » South Carolina » Marlboro County
Marlboro County, South Carolina, has 26,667 residents and covers 479.9 square miles. The population declined 7.8% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Marlboro County is 45069.
Bennettsville is the county's largest population center. Marlboro County also includes 6 zip codes, 1 public school district and 17 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Marlboro County Trends
- Population
- 26,667▾
- Median Home Value
- $74,500▾
- K-12 Enrollment
- 3,380▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Marlboro County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Marlboro County Population
Marlboro County had 26,667 residents in 2020. That was 7.8% lower than in 2010. Marlboro County had 2,151 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 56 people per square mile. Some of the county's most populated postal areas include Bennettsville, Mc Coll and Wallace.
Population Trend in Marlboro County SC
Marlboro County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Marlboro County Zip Codes
Marlboro County has 6 zip codes. Some of the county's most populated zip codes include Bennettsville (29512), Mc Coll (29570) and Wallace (29596). Bennettsville is the largest zip by population, with about 17,941 residents or 67% of the county total. Together, the three largest zips account for about 90% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Marlboro County SC
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 29512 | Bennettsville | 17,941 | ▾ -8.1% |
| 29570 | Mc Coll | 3,676 | ▾ -6.1% |
| 29596 | Wallace | 2,345 | ▾ -3.3% |
| 29525 | Clio | 1,780 | ▾ -12.3% |
| 29516 | Blenheim | 746 | ▾ -10% |
| Download all zip code data | |||
Marlboro County Zip Code populations and trends per most recent census data.
Marlboro County Demographics
Marlboro County has a median age of 41.2, which makes the county a little older than South Carolina overall. About 20.1% of residents are under 18, while 18.6% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 32.6% of the population, which points to a solid working-age base. About 8.7% of adults have a bachelor's degree or higher, above the statewide figure of 31.5%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Marlboro County SC
Median Age
41.2
Under 18
20.1%
Age 65+
18.6%
Bachelor's+
8.7%
Marlboro County School Districts
Marlboro County is served by 1 public school district with 3,380 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.
Largest School Districts by Enrollment in Marlboro County SC
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Marlboro County School District | 3,380 | 100% | ▾ -1.3% |
| Download all school district data | |||
Marlboro County school district enrollment and trends per most recent NCES reporting data.
Marlboro County Housing & Real Estate
Marlboro County has a median home value of $74,500 and a median gross rent of $686. About 63% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the South Carolina median, while rents come in below the state average. In March 2026, the median listing price was $154,600 and homes spent about 71 days on the market.
Marlboro County Housing Mix
Marlboro County housing mix: owner, renter and vacant units.
Marlboro County Housing Trends
Marlboro County median home value and rent trend (last 5 years).
Businesses in Marlboro County, SC
Marlboro County has 889 business listings across 260 categories. The largest categories in Marlboro County business listings are Churches & Religious Organizations (92, 10.3%), Gas Stations (35, 3.9%), and Baptist Church (24, 2.7%). The full Marlboro County business listings dataset includes names, categories, addresses and contact details where available. Marlboro County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Marlboro County, SC
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 92 | 10.3% |
| Gas Stations | 35 | 3.9% |
| Baptist Church | 24 | 2.7% |
| ATMs | 19 | 2.1% |
| Beauty Salons | 19 | 2.1% |
| Convenience Stores | 17 | 1.9% |
| Landmark And Historical Building | 16 | 1.8% |
| Grocery Stores | 14 | 1.6% |
| Money Transfer Services | 14 | 1.6% |
| Discount Store | 13 | 1.5% |
Marlboro County Business Listings
| Business | Category | City |
|---|---|---|
| Bennettsville SC | Accommodation | Bennettsville |
| Marvin S. Weaver III CPA | Accountant | Bennettsville |
| Pee Dee Promotions | Advertising Agency | Bennettsville |
| Marco Manufactuning Co Llc | Agricultural Service | Bennettsville |
| Marlboro County Jetport | Airport | Bennettsville |
| Wallace Rescue Squad | Ambulance And Ems Services | Wallace |
| Genesis Family Restaurant | American Restaurants | Bennettsville |
| St. Paul's Church | Anglican Church | Bennettsville |
| Humane Society of Marlboro County | Animal Rescue Service | Bennettsville |
| Bennettsville Animal Shelter | Animal Shelters | Bennettsville |
| Download Marlboro County business listings | ||
Marlboro County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Marlboro County Basemaps
Marlboro County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Marlboro County Data Package
This page shows a preview of what's included in the Marlboro County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
One-time · instant download · 30-day refund guarantee · See full package details
Preview a Live Package Demo
See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from South Carolina — explore the full structure before you buy.
No email or download required. Opens in a preview window on this page.
Nearby Counties
Browse county data pages for the counties that border Marlboro County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.