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Gas stations in Marlboro County, SC

The gas stations in Marlboro County, SC, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 8 out of 100: Very low

Ranked #2,348 of 2,358 scored counties
#44 of 44 scored counties in South Carolina

Listings
35
29 chain locations (83%)
Official establishments
18
−18.2% since 2019
Household spending a year
$23.8M
On gasoline and other fuels · $2,427 a household
Spending per listing
$679K
72% below the U.S.
Listings per 10k households
35.8
3.3 times the U.S.
Population, 2025
25,488
−3.8% since 2020

See the gas stations around any address in Marlboro County

The site report maps the gas stations on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Marlboro County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

For gas stations, Marlboro County has a Groundwork market score of 8 (very low): #2,348 of 2,358 scored counties and #44 of 44 scored counties in South Carolina. That puts it in the bottom quarter of counties.

Households in Marlboro County spend about $23.8M a year on gasoline and other fuels, or $2,427 per household, 6% below the U.S. average. That works out to $679K per station, 72% below the U.S. figure of $2.4M.

There are 35 gas stations on map listings in Marlboro County as of September 2026. 29 of them (83%) are chain locations, against 84% across the U.S. Per 10,000 households, that is 35.8, 3.3 times the U.S. rate of 10.9.

Official counts show 18 businesses with payroll classed as gasoline stations in Marlboro County in 2023, down 18.2% from 2019. That is one for every 544 households, against one for every 1,184 across the U.S. Since fiscal 2022, 2 SBA-backed loans worth $1.2M have gone to businesses classed as gasoline stations in Marlboro County. Between 2020 and 2025, the population of Marlboro County declined 3.8%, against +3.1% for the U.S.

How Marlboro County compares

The same measures for South Carolina and the whole U.S. Spending per listing divides a year of household spending on all gasoline and other fuels by the gas stations counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Gas stations in Marlboro County, SC compared with South Carolina and the U.S.
MeasureMarlboro CountySouth CarolinaU.S.
Listings per 10k households35.813.810.9
Spending per listing$679K$2.1M$2.4M
Households per official establishment5448491,184
Official establishment growth, 2019–2023−18.2%−5.2%−3.1%
Population growth, 2020–2025−3.8%+8.5%+3.1%
Spending per household on gasoline and other fuels$2,427$2,917$2,595
Median household income$34,301$69,324$80,734
Groundwork market score856

Official counts and lending

Businesses

Official establishments, 2019 to 2023
22 → 18−18.2% over the period
Employees, 2023
97
Annual payroll, 2023
$2.3M
One-person businesses, 2023
4Businesses with no payroll
Map listings, September 2026
3529 chain locations
Listings at the U.S. rate for this spending
10The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
2
Amount
$1.2M

SBA-backed loans to businesses classed as gasoline stations in Marlboro County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.

Population and households in Marlboro County

Population, 2025 estimate
25,488−3.8% since 2020
Households
9,789
Median age
41.8
Homes lived in by their owners
63%
Vehicles per household
1.6
Land area
480 sq. mi.
People per square mile
54
Median household income
$34,301+2.1% vs. 2015–2019, before inflation
Average household income
$51,818
Median home value
$82,000
Jobs located here
5,341
Daytime population
21,081Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Marlboro County?

These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the gas stations on map listings by name and distance.

Or open the report at the center of Marlboro County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Gas stations across South Carolina

Every South Carolina market ranked →

The highest-scoring counties in South Carolina for gas stations, numbered among those based in South Carolina, with Marlboro County marked.

Top counties in South Carolina

Counties in South Carolina ranked for gas stations by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Saluda County, SC8856.5$5.2M+4.1%#45 of 2,358
2Berkeley County, SC85869.2$3.3M+18.7%#74 of 2,358
3Pickens County, SC82417.8$4M+5.7%#110 of 2,358
4Beaufort County, SC81536.4$4.3M+8.9%#125 of 2,358
5Greenville County, SC801607.3$4M+10.6%#145 of 2,358
6York County, SC8012911.3$2.8M+8.1%#153 of 2,358
7Lancaster County, SC794511.2$2.7M+18.3%#177 of 2,358
8Dorchester County, SC787411.7$2.6M+10.1%#200 of 2,358
9Edgefield County, SC781414.3$2.3M+16.1%#204 of 2,358
10Charleston County, SC7218010.1$2.7M+6.4%#346 of 2,358
44Marlboro County, SC83535.8$679K−3.8%#2,348 of 2,358

Other business types in Marlboro County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many gas stations are in Marlboro County, SC?

As of September 2026, map listings count 35 gas stations in Marlboro County. 29 of them (83%) are chain locations. The listings count gas stations. Official counts show 18 businesses with payroll classed as gasoline stations in 2023, down 18.2% from 2019. Official counts list 4 one-person businesses without payroll.

How much do households in Marlboro County, SC spend on gasoline and other fuels?

About $23.8M a year, or $2,427 per household. That is 6% below the U.S. average (an index of 94, where 100 is the U.S. average). Spread across the 35 gas stations on map listings, it comes to $679K per station. It is estimated from the incomes of the 9,789 households in Marlboro County and national spending patterns by income.

How does Marlboro County, SC compare with the U.S. for gas stations?

Marlboro County has 35.8 gas stations per 10,000 households, 3.3 times the U.S. rate of 10.9. Spending per station is $679K, 72% below the U.S. figure of $2.4M. At the U.S. ratio of gas stations to household spending, Marlboro County would have about 10, against 35 on map listings. There is one business with payroll in the industry for every 544 households, against one for every 1,184 across the U.S. The official count fell 18.2% from 2019 to 2023, against −3.1% for the U.S.

How fast is Marlboro County, SC growing?

Population estimates put Marlboro County at 25,488 people in 2025, down 3.8% since 2020, against +3.1% for the U.S. It has 9,789 households. Median household income in Marlboro County is $34,301, 58% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 2.1%, before inflation.

What is the Groundwork market score?

The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Marlboro County scores 8 for gas stations (very low), #2,348 of 2,358 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Marlboro County. It maps the gas stations on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.

How the score works · Top markets for gas stations · All 56 business types in Marlboro County

Screening a site or an acquisition in Marlboro County?

A site report maps the competitors on map listings near an address and sizes the households and spending around it.

The button opens the report at the center of Marlboro County. Signed out, you see a blurred preview; on an account, each report is one action.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are estimates for research only. Not investment or real estate advice.