Groundwork

County profile · South Carolina

Williamsburg County, SC market data

How Williamsburg County compares with other counties for 56 business types: competitors, household spending, official counts and growth.

Population, 2025
29,662
−4.0% since 2020
Households
12,291
Median household income
$46,213
+42.3% vs. 2015–2019, before inflation
Median home value
$104,500
Jobs located here
7,315
Highest market score
71
Insurance agencies, #422 of 2,272 scored counties

A site report maps the competitors on map listings around any address in Williamsburg County by name and distance, and the households and spending within reach. Or open the report at the center of Williamsburg 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

Williamsburg County has an estimated 29,662 people and 12,291 households. Population estimates show Williamsburg County declined 4.0% from 2020 to 2025, against +3.1% for the U.S. Median household income in Williamsburg County is $46,213, 43% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 42.3%, before inflation.

Relative to the U.S., household spending in Williamsburg County runs highest on vehicle insurance (an index of 125, where 100 is the U.S. average) and lowest on memberships, classes and admissions (46).

Of the business types scored in Williamsburg County, insurance agencies (71), real estate businesses (56) and pizza places (53) have the highest Groundwork market scores. For insurance agencies, that ranks #422 of 2,272 scored counties.

Against the U.S., map listings per household run highest for funeral homes (4.7 times the U.S. rate) and lowest for real estate businesses (79% below the U.S. rate).

All 56 business types in Williamsburg County

Highest Groundwork market score first. Each score compares Williamsburg 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 Williamsburg 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 agencies71#422 of 2,27297.3$3.3M2666
Real estate56#744 of 2,229108.1Index only3527
Pizza53#888 of 2,09064.9$5.8M11511
Dentists and orthodontists51#878 of 1,88664.9$1.8M1836
Salons, barbers and spas51#1,084 of 2,3852722.0$313K1473
Lawn, cleaning and pest control50#836 of 1,77164.9$2.4M14215
Doctors, dentists and clinics50#1,162 of 2,3944234.2$257K1696
Auto repair shops50#1,171 of 2,3782016.3$526K1189
Real estate agents and brokers48#1,128 of 2,17664.9Index only466Under 3
Restaurants and cafes47#1,304 of 2,4058569.2$412K11122
Gyms, studios and classes46#1,237 of 2,08854.1$1.1M167Under 3
Pet businesses43#1,380 of 2,200118.9$736K844
Fast food and sandwich shops42#1,434 of 2,2221310.6$2.7M8811
Sit-down restaurants39#1,676 of 2,4055141.5$687K10311
Auto repair and car care37#1,775 of 2,4014435.8$239K8914
Primary care and pediatrics33#1,316 of 1,65654.1$2.2M121Under 3
Bakeries and dessert shops33#1,524 of 1,88975.7$5M121Under 3
Hair salons32#1,961 of 2,3391713.8$497K116Under 3
Grocery stores29#1,673 of 2,070118.9$5.7M614
Tire shops28#1,270 of 1,53054.1$2.1M84Under 3
Clothing, shoes and laundry26#1,939 of 2,2101713.8$1.1M122Under 3
Collision repair and body shops24#1,204 of 1,32764.9$1.8M573
Gyms24#1,602 of 1,79254.1$1.1M85Under 3
Gas stations23#2,158 of 2,3582318.7$1.5M6525
Nail salons22#1,216 of 1,32854.1$1.7M101Under 3
Clothing and shoe stores22#1,898 of 2,0871411.4$1.3M103Under 3
Funeral homes20#1,400 of 1,472129.8$168K255
Child care and preschools20#1,477 of 1,61164.9$630K638
Grocery and convenience stores12#2,333 of 2,4023730.1$1.7M5011
Convenience stores9#2,202 of 2,2612117.1$3M387
BarbershopsNot scoredNot scored43.3$2.1M112Under 3
Car washes and detailingNot scoredNot scored43.3$2.6M104Under 3
ChiropractorsNot scoredNot scored43.3$2.7M113Under 3
Coffee shops and cafesNot scoredNot scored43.3$8.8M236Under 3
Pest controlNot scoredNot scored43.3$3.6M35Under 3
VeterinariansNot scoredNot scored43.3$2M744
Home repair tradesNot scoredNot scored32.4$9.1M37413
Pet grooming and boardingNot scoredNot scored32.4$2.7M106Under 3
Dry cleanersNot scoredNot scored21.6$9.2MToo fewUnder 3
Landscaping and lawn careNot scoredNot scored21.6$7.2MToo few6
Mortgage brokers and lendersNot scoredNot scored21.6Index onlyToo fewUnder 3
Pet storesNot scoredNot scored21.6$4MToo fewUnder 3
Physical therapyNot scoredNot scored21.6$5.4MToo fewUnder 3
Property managementNot scoredNot scored21.6Index onlyToo few6
ElectriciansNot scoredNot scored10.8$27.3MToo few8
HVAC and plumbingNot scoredNot scored10.8$27.3MToo few5
LaundromatsNot scoredNot scored10.8$18.3MToo fewUnder 3
Optometrists and eye careNot scoredNot scored10.8$10.8MToo fewUnder 3
Roofing and guttersNot scoredNot scored10.8$27.3MToo fewUnder 3
Spas and skin careNot scoredNot scored10.8$8.5MToo fewUnder 3
Home inspectorsNot scoredNot scored00.0None listedNone listedUnder 3
House cleaningNot scoredNot scored00.0None listedNone listed9
Martial arts and dance studiosNot scoredNot scored00.0None listedNone listedUnder 3
Oil change and quick lubeNot 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 Williamsburg 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 Williamsburg 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$10.5M$85689
Gasoline and other fuels$35.5M$2,884111
Food away from home$35M$2,84970
Groceries$62.6M$5,09681
Personal care products and services$8.5M$68868
Child care and other personal services$3.8M$30753
Memberships, classes and admissions$5.5M$44946
Medical and dental services$10.8M$87968
Pets$8.1M$65872
Clothing, shoes and related services$18.3M$1,49173
Vehicle insurance$30.1M$2,445125
Home repairs, maintenance and insurance$27.3M$2,21773
Lawn care, cleaning and other household services$14.3M$1,16482
Rent and homeowner costs$152.3M$12,39174

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 Williamsburg County

Population, 2025 estimate
29,662−4.0% since 2020
Households
12,291
Median age
43.5
Homes lived in by their owners
76%
Vehicles per household
1.9
Land area
934 sq. mi.
People per square mile
32
Median household income
$46,213+42.3% vs. 2015–2019, before inflation
Average household income
$59,459
Median home value
$104,500
Jobs located here
7,315
Daytime population
24,639Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Williamsburg 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 Williamsburg 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 Williamsburg County, SC growing?

Population estimates put Williamsburg County at 29,662 people in 2025, down 4.0% since 2020, against +3.1% for the U.S. It has 12,291 households. Median household income rose 42.3% from the 2015–2019 survey, before inflation.

How much do households in Williamsburg County, SC spend?

Households in Williamsburg County spend about $152.3M a year on rent and homeowner costs, $62.6M on groceries and $35.5M on gasoline and other fuels. Set against the U.S., households in Williamsburg County spend the most on vehicle insurance (an index of 125, where 100 is the U.S. average) and the least on memberships, classes and admissions (46).

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

The highest Groundwork market scores in Williamsburg County are for insurance agencies (71), real estate businesses (56) and pizza places (53). Williamsburg County ranks #422 of 2,272 scored counties for insurance agencies.

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

The median household income in Williamsburg County is $46,213 a year, 43% below the U.S. median of $80,734. The population fell 4.0% from 2020 to 2025, against +3.1% for the U.S. The median home value is $104,500, against $332,700 for the U.S. For its number of households, Williamsburg County has the most map listings, relative to the U.S., for funeral homes (4.7 times the U.S. rate) and the fewest for real estate businesses (79% 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. 30 of the 56 business types have a score in Williamsburg 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 Williamsburg 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 Williamsburg 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 Williamsburg 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.