Groundwork

Health care · County · Illinois

Medical and dental practices in DeKalb County, IL

The medical and dental practices in DeKalb County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 50 out of 100: Upper middle

Ranked #1,192 of 2,394 scored counties
#53 of 87 scored counties in Illinois

Listings
319
77 chain locations (24%)
Official establishments
104
−7.1% since 2019
Household spending a year
$55M
On medical and dental services · $1,391 a household
Spending per listing
$172K
13% above the U.S.
Listings per 10k households
80.7
4% below the U.S.
Population, 2025
101,835
+1.5% since 2020

See the medical and dental practices around any address in DeKalb 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 DeKalb 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

As of September 2026, map listings count 319 medical and dental practices in DeKalb County. 77 of them (24%) are chain locations, against 11% across the U.S. That comes to 80.7 for every 10,000 households, 4% below the U.S. rate of 84.5.

At $1,391 per household (8% above the U.S. average), households in DeKalb County spend about $55M a year on medical and dental services. That is about $172K of household spending for each practice on map listings, 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 DeKalb County was 104 in 2023, down 7.1% from 2019. That is one for every 380 households, against one for every 270 across the U.S. Official counts also show 33 one-person businesses without payroll.

Population estimates put the population change in DeKalb County from 2020 to 2025 at +1.5%, slower than the U.S. (+3.1%). The Groundwork market score for medical and dental practices in DeKalb County is 50 (upper middle), #1,192 of 2,394 scored counties and #53 of 87 scored counties in Illinois.

How DeKalb County compares

The same measures for Illinois 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 DeKalb County, IL compared with Illinois and the U.S.
MeasureDeKalb CountyIllinoisU.S.
Listings per 10k households80.7102.384.5
Spending per listing$172K$148K$152K
Households per official establishment380269270
Official establishment growth, 2019–2023−7.1%+0.1%+1.5%
Population growth, 2020–2025+1.5%−0.6%+3.1%
Spending per household on medical and dental services$1,391$1,517$1,288
Median household income$70,724$83,390$80,734
Groundwork market score5043

Official counts and lending

Businesses

Official establishments, 2019 to 2023
112 → 104−7.1% over the period
Employees, 2023
956
Annual payroll, 2023
$90.1M
One-person businesses, 2023
33Businesses with no payroll
Map listings, September 2026
31977 chain locations
Listings at the U.S. rate for this spending
361The 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 physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in DeKalb 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 DeKalb County

Population, 2025 estimate
101,835+1.5% since 2020
Households
39,550
Median age
35.2
Homes lived in by their owners
61%
Vehicles per household
1.8
Land area
631 sq. mi.
People per square mile
160
Median household income
$70,724+11.7% vs. 2015–2019, before inflation
Average household income
$90,834
Median home value
$243,600
Jobs located here
34,194
Daytime population
89,501Residents who don’t work, plus everyone whose job is here

Looking at a specific site in DeKalb 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 DeKalb County. Signed out, you see a blurred preview; on an account, each report is one action.

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Doctors, dentists and clinics across Illinois

Every Illinois market ranked →

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

Top counties in Illinois

Counties in Illinois ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Piatt County, IL842434.7$441K+0.6%#51 of 2,394
2Cumberland County, IL76819.2$700K−2.1%#162 of 2,394
3Kendall County, IL7628562.8$270K+9.9%#184 of 2,394
4Crawford County, IL753242.7$317K+0.1%#213 of 2,394
5Woodford County, IL757551.1$304K−0.8%#215 of 2,394
6Johnson County, IL74614.6$876K+0.4%#220 of 2,394
7Mercer County, IL742132.0$436K−2.6%#227 of 2,394
8Washington County, IL742136.2$383K−1.2%#229 of 2,394
9Carroll County, IL732030.4$419K−1.7%#250 of 2,394
10Hancock County, IL721621.0$618K−4.4%#270 of 2,394
53DeKalb County, IL5031980.7$172K+1.5%#1,192 of 2,394

Other business types in DeKalb County

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

Questions

How many medical and dental practices are in DeKalb County, IL?

DeKalb County has 319 medical and dental practices on map listings as of September 2026. 77 of them (24%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 104 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 7.1% from 2019. Another 33 one-person businesses have no payroll, by official counts.

How much do households in DeKalb County, IL spend on medical and dental services?

About $55M a year, or $1,391 per household. That is 8% above the U.S. average (an index of 108, where 100 is the U.S. average). Spread across the 319 medical and dental practices on map listings, it comes to $172K per practice. It is estimated from the incomes of the 39,550 households in DeKalb County and national spending patterns by income.

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

DeKalb County has 80.7 medical and dental practices per 10,000 households, 4% 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, DeKalb County would have about 361, against 319 on map listings. There is one business with payroll in the industry for every 380 households, against one for every 270 across the U.S. The official count fell 7.1% from 2019 to 2023, against +1.5% for the U.S.

How fast is DeKalb County, IL growing?

Population estimates put DeKalb County at 101,835 people in 2025, up 1.5% since 2020, slower than the U.S. (+3.1%). It has 39,550 households. Median household income in DeKalb County is $70,724, 12% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 11.7%, 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. DeKalb County scores 50 for medical and dental practices (upper middle), #1,192 of 2,394 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in DeKalb 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 DeKalb County

Screening a site or an acquisition in DeKalb 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 DeKalb 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.