Groundwork

Health care · County · Iowa

Medical and dental practices in Linn County, IA

How Linn County, IA compares with other counties and the U.S. for medical and dental practices: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 39 out of 100: Lower middle

Ranked #1,729 of 2,394 scored counties
#64 of 72 scored counties in Iowa

Listings
1,075
74 chain locations (7%)
Official establishments
297
+2.4% since 2019
Household spending a year
$138.7M
On medical and dental services · $1,451 a household
Spending per listing
$129K
15% below the U.S.
Listings per 10k households
112.4
33% above the U.S.
Population, 2025
232,028
+0.7% since 2020

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

Households in Linn County spend about $138.7M a year on medical and dental services, or $1,451 per household, 13% above the U.S. average. That is about $129K of household spending for each practice on map listings, 15% below the U.S. figure of $152K.

There are 1,075 medical and dental practices on map listings in Linn County as of September 2026. Of those, 74 are chain locations, or 7%, against 11% across the U.S. Per 10,000 households, that is 112.4, 33% above the U.S. rate of 84.5.

Official counts show 297 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Linn County in 2023, up 2.4% from 2019. That is one for every 322 households, against one for every 270 across the U.S. Another 77 one-person businesses have no payroll, by official counts. Since fiscal 2022, 3 SBA-backed loans worth $1.5M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Linn County.

Population estimates show Linn County grew 0.7% from 2020 to 2025, slower than the U.S. (+3.1%). The Groundwork market score for medical and dental practices in Linn County is 39 (lower middle), #1,729 of 2,394 scored counties and #64 of 72 scored counties in Iowa.

How Linn County compares

The same measures for Iowa 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 Linn County, IA compared with Iowa and the U.S.
MeasureLinn CountyIowaU.S.
Listings per 10k households112.483.784.5
Spending per listing$129K$169K$152K
Households per official establishment322342270
Official establishment growth, 2019–2023+2.4%+0.7%+1.5%
Population growth, 2020–2025+0.7%+1.5%+3.1%
Spending per household on medical and dental services$1,451$1,412$1,288
Median household income$77,649$75,059$80,734
Groundwork market score3965

Official counts and lending

Businesses

Official establishments, 2019 to 2023
290 → 297+2.4% over the period
Employees, 2023
3,604
Annual payroll, 2023
$356.9M
One-person businesses, 2023
77Businesses with no payroll
Map listings, September 2026
1,07574 chain locations
Listings at the U.S. rate for this spending
909The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
3
Amount
$1.5M

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

Population, 2025 estimate
232,028+0.7% since 2020
Households
95,600
Median age
39.8
Homes lived in by their owners
74%
Vehicles per household
1.9
Land area
717 sq. mi.
People per square mile
321
Median household income
$77,649+19.6% vs. 2015–2019, before inflation
Average household income
$104,478
Median home value
$214,300
Jobs located here
130,525
Daytime population
248,541Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Linn 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 Linn 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 Iowa

Every Iowa market ranked →

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

Top counties in Iowa

Counties in Iowa ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Mills County, IA872037.1$407K+2.6%#19 of 2,394
2Madison County, IA842029.9$501K+3.8%#47 of 2,394
3Lyon County, IA801738.0$371K+3.6%#105 of 2,394
4Mitchell County, IA781839.2$350K+0.6%#125 of 2,394
5Guthrie County, IA782350.0$287K+1.6%#129 of 2,394
6Buchanan County, IA773542.4$324K+1.3%#155 of 2,394
7Warren County, IA7711254.2$286K+9.0%#161 of 2,394
8Allamakee County, IA762135.3$377K+1.2%#172 of 2,394
9Clayton County, IA712533.3$395K−1.1%#306 of 2,394
10Jasper County, IA716342.0$325K+0.9%#317 of 2,394
64Linn County, IA391,075112.4$129K+0.7%#1,729 of 2,394

Other business types in Linn County

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

Questions

How many medical and dental practices are in Linn County, IA?

As of September 2026, map listings count 1,075 medical and dental practices in Linn County. 74 of them (7%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 297 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 2.4% from 2019. Official counts list 77 one-person businesses without payroll.

How much do households in Linn County, IA spend on medical and dental services?

About $138.7M a year, or $1,451 per household. That is 13% above the U.S. average (an index of 113, where 100 is the U.S. average). Spread across the 1,075 medical and dental practices on map listings, it comes to $129K per practice. It is estimated from the incomes of the 95,600 households in Linn County and national spending patterns by income.

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

Linn County has 112.4 medical and dental practices per 10,000 households, 33% above the U.S. rate of 84.5. Spending per practice is $129K, 15% below the U.S. figure of $152K. At the U.S. ratio of medical and dental practices to household spending, Linn County would have about 909, against 1,075 on map listings. There is one business with payroll in the industry for every 322 households, against one for every 270 across the U.S. The official count rose 2.4% from 2019 to 2023, against +1.5% for the U.S.

How fast is Linn County, IA growing?

Population estimates put Linn County at 232,028 people in 2025, up 0.7% since 2020, slower than the U.S. (+3.1%). It has 95,600 households. The median household income in Linn County is $77,649 a year, 4% below the U.S. median of $80,734. That rose 19.6% from the 2015–2019 survey, 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. Linn County scores 39 for medical and dental practices (lower middle), #1,729 of 2,394 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Linn 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 Linn 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.