Groundwork

Health care · County · South Carolina

Dentists and orthodontists in Sumter County, SC

How Sumter County, SC compares with other counties and the U.S. for dentists and orthodontists: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 31 out of 100: Lower middle

Ranked #1,612 of 1,886 scored counties
#34 of 38 scored counties in South Carolina

Listings
43
7 chain locations (16%)
Official establishments
28
0.0% since 2019
Household spending a year
$40.5M
On medical and dental services · $986 a household
Spending per listing
$942K
4% below the U.S.
Listings per 10k households
10.5
20% below the U.S.
Population, 2025
105,067
−0.3% since 2020

See the dentists and orthodontists around any address in Sumter County

The site report maps the dentists and orthodontists 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 Sumter 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

The Groundwork market score for dentists and orthodontists in Sumter County is 31 (lower middle), #1,612 of 1,886 scored counties and #34 of 38 scored counties in South Carolina. That puts it in the bottom quarter of counties.

Households in Sumter County spend about $40.5M a year on medical and dental services, or $986 per household, 23% below the U.S. average. That is about $942K of household spending for each practice on map listings, 4% below the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.

Sumter County has 43 dentists and orthodontists on map listings as of September 2026. Chain locations make up 16% of them, against 12% across the U.S. Per 10,000 households, that is 10.5, 20% below the U.S. rate of 13.1.

In 2023, official counts showed 28 businesses with payroll in Sumter County classed as offices of dentists, unchanged from 2019. That is one for every 1,467 households, against one for every 952 across the U.S. Population estimates put the population change in Sumter County from 2020 to 2025 at −0.3%, against +3.1% for the U.S.

How Sumter County compares

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

Dentists and orthodontists in Sumter County, SC compared with South Carolina and the U.S.
MeasureSumter CountySouth CarolinaU.S.
Listings per 10k households10.511.413.1
Spending per listing$942K$951K$984K
Households per official establishment1,4671,205952
Official establishment growth, 2019–20230.0%+3.7%−0.5%
Population growth, 2020–2025−0.3%+8.5%+3.1%
Spending per household on medical and dental services$986$1,086$1,288
Median household income$56,693$69,324$80,734
Groundwork market score3149

Official counts and lending

Businesses

Official establishments, 2019 to 2023
28 → 280.0% over the period
Employees, 2023
250
Annual payroll, 2023
$14.4M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
437 chain locations
Listings at the U.S. rate for this spending
41The 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 offices of dentists in Sumter 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 Sumter County

Population, 2025 estimate
105,067−0.3% since 2020
Households
41,083
Median age
38.8
Homes lived in by their owners
68%
Vehicles per household
1.8
Land area
665 sq. mi.
People per square mile
157
Median household income
$56,693+24.2% vs. 2015–2019, before inflation
Average household income
$74,835
Median home value
$165,300
Jobs located here
37,301
Daytime population
101,774Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Sumter 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 dentists and orthodontists on map listings by name and distance.

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

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Dentists and orthodontists across South Carolina

Every South Carolina market ranked →

The highest-scoring counties in South Carolina for dentists and orthodontists, numbered among those based in South Carolina, with Sumter County marked.

Top counties in South Carolina

Counties in South Carolina ranked for dentists and orthodontists by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Jasper County, SC7764.6$2.3M+32.2%#112 of 1,886
2Edgefield County, SC7655.1$2.1M+16.1%#127 of 1,886
3Laurens County, SC68155.6$1.7M+6.2%#309 of 1,886
4Chesterfield County, SC6695.1$1.8M+3.4%#374 of 1,886
5Darlington County, SC65114.3$2.2M+0.1%#397 of 1,886
6Kershaw County, SC65217.8$1.4M+11.6%#422 of 1,886
7Berkeley County, SC609910.6$1.1M+18.7%#589 of 1,886
8Cherokee County, SC59167.3$1.3M+3.7%#626 of 1,886
9Horry County, SC581428.9$1.2M+20.9%#668 of 1,886
10Clarendon County, SC5675.7$1.6M+0.7%#699 of 1,886
34Sumter County, SC314310.5$942K−0.3%#1,612 of 1,886

Other business types in Sumter County

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

Questions

How many dentists and orthodontists are in Sumter County, SC?

Map listings as of September 2026 show 43 dentists and orthodontists in Sumter County. 7 of them (16%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 28 businesses with payroll classed as offices of dentists in 2023, unchanged from 2019.

How much do households in Sumter County, SC spend on medical and dental services?

About $40.5M a year, or $986 per household. That is 23% below the U.S. average (an index of 77, where 100 is the U.S. average). Spread across the 43 dentists and orthodontists on map listings, it comes to $942K per practice. That spending covers all medical and dental services, which dentists and orthodontists share with other businesses in the trade. It is estimated from the incomes of the 41,083 households in Sumter County and national spending patterns by income.

How does Sumter County, SC compare with the U.S. for dentists and orthodontists?

Sumter County has 10.5 dentists and orthodontists per 10,000 households, 20% below the U.S. rate of 13.1. Spending per practice is $942K, 4% below the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, Sumter County would have about 41, against 43 on map listings. There is one business with payroll in the industry for every 1,467 households, against one for every 952 across the U.S. The official count held level from 2019 to 2023, against −0.5% for the U.S.

How fast is Sumter County, SC growing?

Population estimates put Sumter County at 105,067 people in 2025, down 0.3% since 2020, against +3.1% for the U.S. It has 41,083 households. Median household income in Sumter County is $56,693, 30% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.2%, 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. Sumter County scores 31 for dentists and orthodontists (lower middle), #1,612 of 1,886 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Sumter County. It maps the dentists and orthodontists 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 dentists and orthodontists · All 56 business types in Sumter County

Screening a site or an acquisition in Sumter 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 Sumter 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.