HomeSouth CarolinaMarlboro County
Marlboro County, South Carolina: commercial real estate data.
Marlboro County, South Carolina has a population of 25,975 across 480 square miles, down 4.4 percent since the 2020 census base. County output reached $965.2 m in 2024, 305 establishments operate here, and the SBA record carries 10 7(a) approvals worth $6.6 m.
102 sourced county values · tier FULL · 10 sections
Marlboro County
How many people live in Marlboro County
- Population25,975
- Households9,789
- Average household size2.65
- Median household income$34,301
- Median age41.7
- Median gross rent$689 per month
- Median owner-occupied home value$82,000
- Home value to household income2.4 times
- Annual rent as a share of median income24.1 percent
- Adults 25 and over with a bachelor degree or higher9.0 percent
- Adults 25 and over with a graduate degree2.9 percent
- Adults 25 and over18,769
- Population under 185,171
- Share under 1819.9 percent
- Population 65 and over4,959
- Share 65 and over19.1 percent
- Working age population, 18 to 6415,845
- Civilian labor force9,833
- Unemployment rate9.9 percent
- Labor force participation, adults 18 and over47.3 percent
- Rank by population among South Carolina counties36th of 46
- Rank by population among US county-equivalents1615th
Marlboro County is the 36th largest of 46 South Carolina counties by population. A median home costs 2.4 times median household income, which is an affordable ownership market by national standards. Residents under 18 outnumber those 65 and over, at 19.9 percent against 19.1 percent, a household formation profile rather than a retirement one.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Marlboro County
Is Marlboro County growing
- Population change since the 2020 census base-4.39 percent
- Census 2020 base population26,669
- Births, 2024261
- Deaths, 2024437
- Natural change, 2024-176
- Net domestic migration, 2024-110
- Net international migration, 202414
- Total net migration, 2024-96
- Cumulative net domestic migration, 2021 to 2024-337
- Rank by growth among US county-equivalents2938th
The county has lost 4.39 percent of its population since the 2020 census base.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Marlboro County
Where people moving to Marlboro County come from
- Tax returns filed by households arriving434
- People arriving, from those returns788
- Adjusted gross income arriving$14.7 m
- Net adjusted gross income movement$0
- Average income of an arriving household$33,825
- Largest single originMarlboro County Non-migrants (8,498 households)
- Largest single destination (8,498 households)
| Origin | Households | People | Adjusted gross income |
|---|---|---|---|
| Marlboro County Non-migrants | 8,498 | 16,547 | $346.5 m |
| Other flows - Different State | 157 | 287 | $6.6 m |
| Other flows - South | 135 | 250 | $5.8 m |
| Other flows - Same State | 111 | 171 | $2.4 m |
| Chesterfield County | 55 | 95 | $2.0 m |
| Scotland County | 40 | 78 | $1.4 m |
| Florence County | 27 | 61 | $870,000 |
| Richmond County | 24 | 49 | $710,000 |
The largest single source of arrivals is Marlboro County Non-migrants, which is the catchment a retail or multifamily study should look at first.
US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Marlboro County
What the Marlboro County economy runs on
- County GDP, 2024$965.2 m
- County GDP, 2023$914.5 m
- GDP change, 2023 to 20245.5 percent
- GDP change over five years24.3 percent
- Rank by GDP among South Carolina counties33rd
- Rank by GDP among US county-equivalents1872nd
- GDP per resident$37,160
Output grew 5.5 percent in the latest year and 24.3 percent over five, which is the trend line a lender will read behind any single year figure.
US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024.
Marlboro County
Who employs people in Marlboro County
- Covered employment, annual average5,591
- Establishments reporting334
- Average annual pay$53,857
- Average weekly wage$1,036
- Sector 31-33, employment1,389
- Sector 31-33, average annual pay$68,717
- Sector 44-45, employment676
- Sector 44-45, average annual pay$33,026
- Sector 48-49, employment235
- Sector 48-49, average annual pay$67,581
- Sector 52, employment83
- Sector 52, average annual pay$47,346
- Sector 23, employment70
- Sector 53, employment42
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Sector 31-33 | 1,389 | 27 | $68,717 |
| Sector 44-45 | 676 | 56 | $33,026 |
| Sector 48-49 | 235 | 8 | $67,581 |
| Sector 52 | 83 | 19 | $47,346 |
| Sector 23 | 70 | 16 | $56,475 |
| Sector 53 | 42 | 11 | $89,845 |
The largest sector is the biggest private employer group at 1,389 jobs, 24.8 percent of covered employment. Average pay per job exceeds median household income, which usually means single earner households and a wage base that can carry rent.
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Marlboro County
What businesses operate in Marlboro County
- Establishments, all industries305
- Employment at those establishments4,718
- Annual payroll$225.9 m
- Establishments per 1,000 residents11.7
These are counts of establishments physically operating in the county, not listings, so they are the supply side a feasibility study measures demand against.
US Census Bureau, County Business Patterns, 2023.
Marlboro County
What is being built in Marlboro County
- Housing units authorised by permit, 20246
- Declared construction value permitted$1.1 m
- Single family units authorised6
- Multifamily units authorised0
- Multifamily share of units0.0 percent
- Average declared value per unit$176,869
- Units authorised per 1,000 households0.6
Multifamily is 0.0 percent of units authorised, so the pipeline is predominantly for sale product.
US Census Bureau, Building Permits Survey, 2024 annual.
Marlboro County
How much SBA lending happens in Marlboro County
- 7(a) approvals recorded10
- 7(a) gross approval dollars$6.6 m
- Average 7(a) approval$661,830
- Median 7(a) approval$570,000
- 10th percentile approval$65,000
- 90th percentile approval$2,914,000
- Largest single approval$2,914,000
- Jobs reported supported, 7(a)65
- Jobs per approval6.5
- Distinct 7(a) lenders active8
- Distinct industries receiving approvals6
- Median 7(a) term192 months
- Share of loans on real estate terms, 240 months or longer40.0 percent
- Loans on real estate terms4
- Loans on working capital terms, 120 months or shorter4
- Franchise loans2
- Franchise share of approvals20.0 percent
- Leading industry by approval countGasoline Stations with Convenience Stores (3)
- Most active lenderFirst Bank (2)
The average approval of $661,830 sits close to the median of $570,000, so lending here is fairly evenly sized rather than driven by a few large deals. 40.0 percent of approvals run on real estate terms of 240 months or more, so this is a market where SBA credit is buying buildings, not just funding operations.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Marlboro County
Do SBA loans in Marlboro County get paid back
- Loans with a final outcome recorded0
- Paid in full0
- Charged off0
- Status: Cancelled3
- Status: Exempt from disclosure7
Too few loans have reached a final outcome to publish a charge off rate. only 0 resolved loans, too few to publish a rate. A rate computed on a handful of loans is noise, so none is shown.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Marlboro County
How big is Marlboro County
- Land area480 sq mi
- Rank by land area among South Carolina counties37th of 46
- Width, east to west27.2 mi
- Height, north to south35.1 mi
- Geographies sharing a boundary4
- Residents per square mile of land54
- Establishments per square mile0.64
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary vertices, TIGER county boundaries. US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year. US Census Bureau, County Business Patterns, 2023.
Coverage
What this page does not hold.
Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.
- No 504 approvals recorded in this county in the FOIA release covering FY2010 onward.
- No NFIP communities are listed for this county in the FEMA Community Status Book.
- Flood zone record counts are not held. The flood coverage export has not landed, so no count is shown rather than an estimated one.
- Traffic counts resolve in the platform, not in this dataset, so no AADT figure is printed here.
- Zoning is in build. Parcel level zoning is not published on this page.
Feasibility studies
When a Marlboro County site needs a document a lender will accept.
The same data layer behind this page is the one the studies are written from. A study for a Marlboro County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population25,975
- Households9,789
- Average household size2.65
- Median household income$34,301
- Median age41.7
Common questions
Marlboro County questions, answered from the record.
How many people live in Marlboro County, South Carolina?
25,975, in 9,789 households, ranking 36th of 46 South Carolina counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Marlboro County growing?
The population has fallen 4.39 percent since the 2020 census base. In 2024 there were 261 births against 437 deaths, with net migration of -96. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Marlboro County?
$34,301. The median owner-occupied home is valued at $82,000, which is 2.4 times income, and median gross rent is $689 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are there in Marlboro County?
305 establishments, employing 4,718 people with an annual payroll of $225.9 m. These are establishments physically operating in the county, not listings. Source: US Census Bureau, County Business Patterns, 2023.
What is the average wage in Marlboro County?
Average annual pay is $53,857, or $1,036 a week, across 5,591 covered jobs. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
How much SBA lending happens in Marlboro County?
10 7(a) approvals totalling $6.6 m since FY2020, across 8 lenders, with a median approval of $570,000. These are approvals recorded in the release, not loans disbursed.
What is being built in Marlboro County?
6 housing units were authorised by permit in 2024, with a declared construction value of $1.1 m. Multifamily was 0.0 percent of units. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Marlboro County?
Zone 3, a predicted average indoor radon screening level less than 2 pCi/L. Source: US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Where do people moving to Marlboro County come from?
The largest single origin is Marlboro County Non-migrants, with 8,498 households. Arriving households report an average income of $33,825 against null for those leaving. Source: US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Are traffic counts available for Marlboro County on this page?
No. Annual average daily traffic resolves in the platform rather than in this dataset, so no AADT figure is printed here. It is a gap we know about rather than a figure we estimated.
Is zoning published for Marlboro County?
Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning, and where a statutory framework applies it is marked as the statewide frame with confirm locally attached.