Groundwork

County profile · South Carolina

Barnwell County, SC market data

Population, household spending and competition for 56 business types in Barnwell County, each scored against other counties.

Population, 2025
20,653
+0.4% since 2020
Households
8,116
Median household income
$46,626
+30.2% vs. 2015–2019, before inflation
Median home value
$106,000
Jobs located here
5,283
Highest market score
73
Insurance agencies, #381 of 2,272 scored counties

A site report maps the competitors on map listings around any address in Barnwell County by name and distance, and the households and spending within reach. 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.

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

What this means

An estimated 20,653 people live in Barnwell County, in 8,116 households. Population estimates put the population change in Barnwell County from 2020 to 2025 at +0.4%, slower than the U.S. (+3.1%). 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.

Set against the U.S., households in Barnwell County spend the most on vehicle insurance (an index of 121, where 100 is the U.S. average) and the least on memberships, classes and admissions (51).

The highest Groundwork market scores in Barnwell County are for insurance agencies (73), pet businesses (61) and medical and dental practices (56). Barnwell County ranks #381 of 2,272 scored counties for insurance agencies.

For its number of households, Barnwell County has the most map listings, relative to the U.S., for funeral homes (5.9 times the U.S. rate) and the fewest for medical and dental practices (64% below the U.S. rate).

All 56 business types in Barnwell County

Highest Groundwork market score first. Each score compares Barnwell County with other counties for that business type, from 0 to 100. Spending per listing divides a whole spending line (all vehicle repairs, all eating out) by one type’s listings: the demand for each competitor, not a business’s revenue. Compare it across markets with its index, where 100 is the U.S. figure for the same type; the real estate types, whose line is all housing costs, show the index only. How the score works.

Every business type in Barnwell County, SC, highest Groundwork market score first, with its rank among counties, listings, listings per 10,000 households, spending per listing and official establishments
Business typeScoreRank among countiesListingsPer 10k householdsSpending per listingSpending per listing vs. U.S. (100)Official establishments
Insurance agencies73#381 of 2,27289.9$2.4M1914
Pet businesses61#606 of 2,20056.2$1.1M1293
Doctors, dentists and clinics56#902 of 2,3942530.8$298K19510
Coffee shops and cafes53#876 of 2,06356.2$4.9M1323
Bakeries and dessert shops50#922 of 1,88956.2$4.9M1183
Dentists and orthodontists49#967 of 1,88667.4$1.2M1263
Sit-down restaurants43#1,501 of 2,4053846.8$642K978
Clothing, shoes and laundry40#1,503 of 2,2101316.0$969K1104
Restaurants and cafes38#1,690 of 2,4056782.6$364K9830
Convenience stores37#1,577 of 2,26178.6$6.1M77Under 3
Clothing and shoe stores35#1,565 of 2,0871113.6$1.1M904
Primary care and pediatrics30#1,382 of 1,65678.6$1.1M607
Auto repair and car care30#2,034 of 2,4013441.9$198K7411
Auto repair shops26#2,142 of 2,3782125.9$321K729
Grocery and convenience stores25#2,096 of 2,4022024.6$2.1M637
Fast food and sandwich shops23#1,993 of 2,2221113.6$2.2M7318
Gas stations22#2,187 of 2,3582024.6$1.1M4715
Funeral homes21#1,395 of 1,4721012.3$117K17Under 3
Grocery stores20#1,882 of 2,07089.9$5.3M575
Tire shops19#1,405 of 1,53056.2$1.3M54Under 3
Pizza17#2,040 of 2,0901012.3$2.4M4818
Salons, barbers and spas17#2,328 of 2,3853441.9$172K81Under 3
Hair salons13#2,294 of 2,3392227.1$266K62Under 3
Nail salons10#1,300 of 1,32878.6$837K50Under 3
Child care and preschoolsNot scoredNot scored44.9$669K677
Real estateNot scoredNot scored44.9Index only602Under 3
Car washes and detailingNot scoredNot scored33.7$2.2M89Under 3
ChiropractorsNot scoredNot scored33.7$2.5M104Under 3
Home repair tradesNot scoredNot scored33.7$6.3M2593
Lawn, cleaning and pest controlNot scoredNot scored33.7$3.3M1956
Real estate agents and brokersNot scoredNot scored33.7Index only638Under 3
Spas and skin careNot scoredNot scored33.7$2M223Under 3
BarbershopsNot scoredNot scored22.5$2.9MToo fewUnder 3
GymsNot scoredNot scored22.5$2MToo fewUnder 3
Gyms, studios and classesNot scoredNot scored22.5$2MToo fewUnder 3
HVAC and plumbingNot scoredNot scored22.5$9.4MToo few3
Landscaping and lawn careNot scoredNot scored22.5$4.9MToo few6
Optometrists and eye careNot scoredNot scored22.5$3.7MToo fewUnder 3
Pet grooming and boardingNot scoredNot scored22.5$2.8MToo fewUnder 3
Physical therapyNot scoredNot scored22.5$3.7MToo fewUnder 3
VeterinariansNot scoredNot scored22.5$2.8MToo few3
Collision repair and body shopsNot scoredNot scored11.2$6.7MToo fewUnder 3
Dry cleanersNot scoredNot scored11.2$12.6MToo fewUnder 3
ElectriciansNot scoredNot scored11.2$18.8MToo fewUnder 3
Mortgage brokers and lendersNot scoredNot scored11.2Index onlyToo fewUnder 3
Oil change and quick lubeNot scoredNot scored11.2$6.7MToo fewUnder 3
Pest controlNot scoredNot scored11.2$9.8MToo fewUnder 3
Home inspectorsNot scoredNot scored00.0None listedNone listedUnder 3
House cleaningNot scoredNot scored00.0None listedNone listedUnder 3
LaundromatsNot scoredNot scored00.0None listedNone listedUnder 3
Martial arts and dance studiosNot scoredNot scored00.0None listedNone listedUnder 3
Pet storesNot scoredNot scored00.0None listedNone listedUnder 3
Property managementNot scoredNot scored00.0None listedNone listedUnder 3
Roofing and guttersNot scoredNot scored00.0None listedNone listedUnder 3
Urgent care and walk-in clinicsNot scoredNot scored00.0None listedNone listedUnder 3
Yoga, Pilates and fitness studiosNot scoredNot scored00.0None listedNone listedUnder 3

Household spending in Barnwell County

What households here spend in a year on each line, in total and per household, with the index against the U.S. average (100).

Annual household spending in Barnwell County, SC by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$6.7M$83187
Gasoline and other fuels$22.6M$2,780107
Food away from home$24.4M$3,00574
Groceries$42.6M$5,24583
Personal care products and services$5.9M$72272
Child care and other personal services$2.7M$33057
Memberships, classes and admissions$4.1M$50351
Medical and dental services$7.4M$91771
Pets$5.7M$69977
Clothing, shoes and related services$12.6M$1,55276
Vehicle insurance$19.2M$2,363121
Home repairs, maintenance and insurance$18.8M$2,32277
Lawn care, cleaning and other household services$9.8M$1,21086
Rent and homeowner costs$104.4M$12,86177

Household spending is estimated from the incomes of the households in each neighborhood, using what households at each income spent nationally in 2024, adjusted for the region. It counts what residents spend, wherever they spend it.

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 competitors on map listings by name and distance, for any of the 56 business types.

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 card

Questions

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. Against the 2015–2019 survey, median household income rose 30.2%, before inflation.

How much do households in Barnwell County, SC spend?

Households in Barnwell County spend about $104.4M a year on rent and homeowner costs, $42.6M on groceries and $24.4M on food away from home. Relative to the U.S., household spending in Barnwell County runs highest on vehicle insurance (an index of 121, where 100 is the U.S. average) and lowest on memberships, classes and admissions (51).

Which business types have the highest market scores in Barnwell County, SC?

Of the business types scored in Barnwell County, insurance agencies (73), pet businesses (61) and medical and dental practices (56) have the highest Groundwork market scores. For insurance agencies, that ranks #381 of 2,272 scored counties.

How does Barnwell County, SC compare with the U.S.?

Median household income in Barnwell County is $46,626, 42% below the U.S. median of $80,734. The population rose 0.4% from 2020 to 2025, against +3.1% for the U.S. The median home value is $106,000, against $332,700 for the U.S. Against the U.S., map listings per household run highest for funeral homes (5.9 times the U.S. rate) and lowest for medical and dental practices (64% below the U.S. rate).

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. 24 of the 56 business types have a score in Barnwell County, each ranked against other 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 competitors 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.

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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.