Groundwork

Health care · County · Delaware

Medical and dental practices in Sussex County, DE

Competitor counts, household spending and official business counts for medical and dental practices in Sussex County, DE, set against other counties and the U.S.

Groundwork market score · out of 100

Score 50 out of 100: Upper middle

Ranked #1,193 of 2,394 scored counties
#1 of 3 scored counties in Delaware

Listings
722
110 chain locations (15%)
Official establishments
319
+11.2% since 2019
Household spending a year
$124.3M
On medical and dental services · $1,167 a household
Spending per listing
$172K
13% above the U.S.
Listings per 10k households
67.8
20% below the U.S.
Population, 2025
277,140
+16.1% since 2020

See the medical and dental practices around any address in Sussex County

The site report maps the medical and dental practices 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 Sussex 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

Map listings as of September 2026 show 722 medical and dental practices in Sussex County. 110 of them (15%) are chain locations, against 11% across the U.S. Per 10,000 households, that is 67.8, 20% below the U.S. rate of 84.5.

At $1,167 per household (9% below the U.S. average), households in Sussex County spend about $124.3M a year on medical and dental services. That works out to $172K per practice, 13% above the U.S. figure of $152K.

The official count of businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Sussex County was 319 in 2023, up 11.2% from 2019. That is one for every 334 households, against one for every 270 across the U.S. Another 165 one-person businesses have no payroll, by official counts. Since fiscal 2022, 6 SBA-backed loans worth $1.1M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Sussex County.

Population estimates put the population change in Sussex County from 2020 to 2025 at +16.1%, faster than the U.S. (+3.1%). Sussex County scores 50 (upper middle) on the Groundwork market score for medical and dental practices, ranking #1,193 of 2,394 scored counties and #1 of 3 scored counties in Delaware.

How Sussex County compares

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

Doctors, dentists and clinics in Sussex County, DE compared with Delaware and the U.S.
MeasureSussex CountyDelawareU.S.
Listings per 10k households67.886.184.5
Spending per listing$172K$139K$152K
Households per official establishment334300270
Official establishment growth, 2019–2023+11.2%+3.2%+1.5%
Population growth, 2020–2025+16.1%+6.9%+3.1%
Spending per household on medical and dental services$1,167$1,194$1,288
Median household income$81,497$84,954$80,734
Groundwork market score5046

Official counts and lending

Businesses

Official establishments, 2019 to 2023
287 → 319+11.2% over the period
Employees, 2023
3,426
Annual payroll, 2023
$303.2M
One-person businesses, 2023
165Businesses with no payroll
Map listings, September 2026
722110 chain locations
Listings at the U.S. rate for this spending
815The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
6
Amount
$1.1M

SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Sussex 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 Sussex County

Population, 2025 estimate
277,140+16.1% since 2020
Households
106,441
Median age
49.6
Homes lived in by their owners
82%
Vehicles per household
1.9
Land area
936 sq. mi.
People per square mile
273
Median household income
$81,497+29.0% vs. 2015–2019, before inflation
Average household income
$109,287
Median home value
$382,600
Jobs located here
85,870
Daytime population
239,628Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Sussex 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 medical and dental practices on map listings by name and distance.

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

Free10 actions over 3 days, no card

Doctors, dentists and clinics across Delaware

Every Delaware market ranked →

The highest-scoring counties in Delaware for medical and dental practices, numbered among those based in Delaware, with Sussex County marked.

Top counties in Delaware

Counties in Delaware ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Sussex County, DE5072267.8$172K+16.1%#1,193 of 2,394
2Kent County, DE4253574.9$146K+6.8%#1,602 of 2,394
3New Castle County, DE342,20498.3$126K+3.0%#1,949 of 2,394

Other business types in Sussex County

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

Questions

How many medical and dental practices are in Sussex County, DE?

There are 722 medical and dental practices on map listings in Sussex County as of September 2026. 110 of them (15%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 319 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 11.2% from 2019. Official counts list 165 one-person businesses without payroll.

How much do households in Sussex County, DE spend on medical and dental services?

About $124.3M a year, or $1,167 per household. That is 9% below the U.S. average (an index of 91, where 100 is the U.S. average). Spread across the 722 medical and dental practices on map listings, it comes to $172K per practice. It is estimated from the incomes of the 106,441 households in Sussex County and national spending patterns by income.

How does Sussex County, DE compare with the U.S. for medical and dental practices?

Sussex County has 67.8 medical and dental practices per 10,000 households, 20% below the U.S. rate of 84.5. Spending per practice is $172K, 13% above the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Sussex County would have about 815, against 722 on map listings. There is one business with payroll in the industry for every 334 households, against one for every 270 across the U.S. The official count rose 11.2% from 2019 to 2023, against +1.5% for the U.S.

How fast is Sussex County, DE growing?

Population estimates put Sussex County at 277,140 people in 2025, up 16.1% since 2020, faster than the U.S. (+3.1%). It has 106,441 households. Median household income in Sussex County is $81,497, in line with the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.0%, 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. Sussex County scores 50 for medical and dental practices (upper middle), #1,193 of 2,394 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Sussex County. It maps the medical and dental practices 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 medical and dental practices · All 56 business types in Sussex County

Screening a site or an acquisition in Sussex 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 Sussex 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.