Groceries and convenience · County · South Carolina
Convenience stores in Barnwell County, SC
The convenience stores in Barnwell County, SC, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 37 out of 100: Lower middle
Ranked #1,577 of 2,261 scored counties
#22 of 42 scored counties in South Carolina
- Listings
- 7
- 4 chain locations (57%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $42.6M
- On groceries · $5,245 a household
- Spending per listing
- $6.1M
- 23% below the U.S.
- Listings per 10k households
- 8.6
- 8% above the U.S.
- Population, 2025
- 20,653
- +0.4% since 2020
See the convenience stores around any address in Barnwell County
The site report maps the convenience stores 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 Barnwell County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Households in Barnwell County spend about $42.6M a year on groceries, or $5,245 per household, 17% below the U.S. average. That works out to $6.1M per store, 23% below the U.S. figure of $7.9M. The spending figure covers all groceries, not only convenience stores.
Barnwell County has 7 convenience stores on map listings as of September 2026. Chain locations make up 57% of them, against 60% across the U.S. That comes to 8.6 for every 10,000 households, 8% above the U.S. rate of 8.0.
Official counts don’t publish a figure for convenience stores in Barnwell County, since they leave out counts under 3.
Population estimates show Barnwell County grew 0.4% from 2020 to 2025, slower than the U.S. (+3.1%). For convenience stores, Barnwell County has a Groundwork market score of 37 (lower middle): #1,577 of 2,261 scored counties and #22 of 42 scored counties in South Carolina.
How Barnwell County compares
The same measures for South Carolina and the whole U.S. Spending per listing divides a year of household spending on all groceries by the convenience stores counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Barnwell County | South Carolina | U.S. |
|---|---|---|---|
| Listings per 10k households | 8.6 | 11.2 | 8.0 |
| Spending per listing | $6.1M | $5.3M | $7.9M |
| Households per official establishment | n/a | 3,110 | 3,493 |
| Official establishment growth, 2019–2023 | n/a | +45.2% | +22.0% |
| Population growth, 2020–2025 | +0.4% | +8.5% | +3.1% |
| Spending per household on groceries | $5,245 | $5,910 | $6,319 |
| Median household income | $46,626 | $69,324 | $80,734 |
| Groundwork market score | 37 | 36 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 74 chain locations
- Listings at the U.S. rate for this spending
- 5The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 0
- Amount
- $0
SBA-backed loans to businesses classed as convenience stores in Barnwell 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 Barnwell County
- Population, 2025 estimate
- 20,653+0.4% since 2020
- Households
- 8,116
- Median age
- 40.4
- Homes lived in by their owners
- 71%
- Vehicles per household
- 1.8
- Land area
- 548 sq. mi.
- People per square mile
- 37
- Median household income
- $46,626+30.2% vs. 2015–2019, before inflation
- Average household income
- $66,518
- Median home value
- $106,000
- Jobs located here
- 5,283
- Daytime population
- 16,461Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Barnwell 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 convenience stores on map listings by name and distance.
Or open the report at the center of Barnwell County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardConvenience stores across South Carolina
Every South Carolina market ranked →The highest-scoring counties in South Carolina for convenience stores, numbered among those based in South Carolina, with Barnwell County marked.
Top counties in South Carolina
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Beaufort County, SC | 87 | 64 | 7.8 | $8.3M | +8.9% | #76 of 2,261 |
| 2Greenville County, SC | 79 | 170 | 7.7 | $8M | +10.6% | #201 of 2,261 |
| 3Dorchester County, SC | 73 | 59 | 9.3 | $6.6M | +10.1% | #358 of 2,261 |
| 4York County, SC | 72 | 104 | 9.1 | $7M | +8.1% | #381 of 2,261 |
| 5Berkeley County, SC | 71 | 95 | 10.1 | $6.1M | +18.7% | #416 of 2,261 |
| 6Charleston County, SC | 68 | 186 | 10.4 | $6.2M | +6.4% | #503 of 2,261 |
| 7Aiken County, SC | 61 | 81 | 11.6 | $5.1M | +7.3% | #737 of 2,261 |
| 8Horry County, SC | 60 | 187 | 11.8 | $4.9M | +20.9% | #778 of 2,261 |
| 9Kershaw County, SC | 59 | 29 | 10.8 | $5.4M | +11.6% | #809 of 2,261 |
| 10Lexington County, SC | 58 | 122 | 10.0 | $6.1M | +7.7% | #834 of 2,261 |
| 22Barnwell County, SC | 37 | 7 | 8.6 | $6.1M | +0.4% | #1,577 of 2,261 |
Other business types in Barnwell County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
- Grocery and convenience stores25
- Grocery stores20
- Convenience stores37
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many convenience stores are in Barnwell County, SC?
Map listings as of September 2026 show 7 convenience stores in Barnwell County. 4 of them (57%) are chain locations. The listings count convenience stores without fuel. No official count is published for convenience stores in Barnwell County: counts under 3 are left out.
How much do households in Barnwell County, SC spend on groceries?
About $42.6M a year, or $5,245 per household. That is 17% below the U.S. average (an index of 83, where 100 is the U.S. average). Spread across the 7 convenience stores on map listings, it comes to $6.1M per store. That spending covers all groceries, which convenience stores share with other businesses in the trade. It is estimated from the incomes of the 8,116 households in Barnwell County and national spending patterns by income.
How does Barnwell County, SC compare with the U.S. for convenience stores?
Barnwell County has 8.6 convenience stores per 10,000 households, 8% above the U.S. rate of 8.0. Spending per store is $6.1M, 23% below the U.S. figure of $7.9M. At the U.S. ratio of convenience stores to household spending, Barnwell County would have about 5, against 7 on map listings.
How fast is Barnwell County, SC growing?
Population estimates put Barnwell County at 20,653 people in 2025, up 0.4% since 2020, slower than the U.S. (+3.1%). It has 8,116 households. The median household income in Barnwell County is $46,626 a year, 42% below the U.S. median of $80,734. That rose 30.2% from the 2015–2019 survey, 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. Barnwell County scores 37 for convenience stores (lower middle), #1,577 of 2,261 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Barnwell County. It maps the convenience stores 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 convenience stores · All 56 business types in Barnwell County
Screening a site or an acquisition in Barnwell 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 Barnwell 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.