Groundwork

Health care · County · Iowa

Medical and dental practices in Plymouth County, IA

How Plymouth 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 67 out of 100: Upper middle

Ranked #445 of 2,394 scored counties
#19 of 72 scored counties in Iowa

Listings
47
1 chain location (2%)
Official establishments
22
−4.3% since 2019
Household spending a year
$14.9M
On medical and dental services · $1,447 a household
Spending per listing
$317K
2.1 times the U.S.
Listings per 10k households
45.6
46% below the U.S.
Population, 2025
25,697
0.0% since 2020

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

As of September 2026, map listings count 47 medical and dental practices in Plymouth County. One of them (2%) is a chain location, against 11% across the U.S. That is 45.6 per 10,000 households, 46% below the U.S. rate of 84.5.

Household spending on medical and dental services in Plymouth County comes to about $14.9M a year: $1,447 per household, 12% above the U.S. average. That is about $317K of household spending for each practice on map listings, 2.1 times the U.S. figure of $152K.

In 2023, official counts showed 22 businesses with payroll in Plymouth County classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers, down 4.3% from 2019. That is one for every 469 households, against one for every 270 across the U.S. Another 15 one-person businesses have no payroll, by official counts.

Population estimates show Plymouth County held about level from 2020 to 2025, against +3.1% for the U.S. For medical and dental practices, Plymouth County has a Groundwork market score of 67 (upper middle): #445 of 2,394 scored counties and #19 of 72 scored counties in Iowa. That puts it in the top quarter of counties.

How Plymouth 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 Plymouth County, IA compared with Iowa and the U.S.
MeasurePlymouth CountyIowaU.S.
Listings per 10k households45.683.784.5
Spending per listing$317K$169K$152K
Households per official establishment469342270
Official establishment growth, 2019–2023−4.3%+0.7%+1.5%
Population growth, 2020–20250.0%+1.5%+3.1%
Spending per household on medical and dental services$1,447$1,412$1,288
Median household income$83,251$75,059$80,734
Groundwork market score6765

Official counts and lending

Businesses

Official establishments, 2019 to 2023
23 → 22−4.3% over the period
Employees, 2023
100
Annual payroll, 2023
$4.8M
One-person businesses, 2023
15Businesses with no payroll
Map listings, September 2026
471 chain location
Listings at the U.S. rate for this spending
98The 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 Plymouth 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 Plymouth County

Population, 2025 estimate
25,6970.0% since 2020
Households
10,313
Median age
41.9
Homes lived in by their owners
74%
Vehicles per household
2.2
Land area
863 sq. mi.
People per square mile
30
Median household income
$83,251+23.7% vs. 2015–2019, before inflation
Average household income
$101,116
Median home value
$228,900
Jobs located here
12,334
Daytime population
23,763Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Plymouth 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 Plymouth 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 Iowa

Every Iowa market ranked →

The highest-scoring counties in Iowa for medical and dental practices, numbered among those based in Iowa, with Plymouth 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
19Plymouth County, IA674745.6$317K0.0%#445 of 2,394

Other business types in Plymouth County

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

Questions

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

Plymouth County has 47 medical and dental practices on map listings as of September 2026. One of them (2%) is a chain location. The listings count every outpatient clinic and practice, and urgent care. Official counts show 22 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 4.3% from 2019. Official counts list 15 one-person businesses without payroll.

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

About $14.9M a year, or $1,447 per household. That is 12% above the U.S. average (an index of 112, where 100 is the U.S. average). Spread across the 47 medical and dental practices on map listings, it comes to $317K per practice. It is estimated from the incomes of the 10,313 households in Plymouth County and national spending patterns by income.

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

Plymouth County has 45.6 medical and dental practices per 10,000 households, 46% below the U.S. rate of 84.5. Spending per practice is $317K, 2.1 times the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Plymouth County would have about 98, against 47 on map listings. There is one business with payroll in the industry for every 469 households, against one for every 270 across the U.S. The official count fell 4.3% from 2019 to 2023, against +1.5% for the U.S.

How fast is Plymouth County, IA growing?

Population estimates put Plymouth County at 25,697 people in 2025, unchanged since 2020, against +3.1% for the U.S. It has 10,313 households. Median household income in Plymouth County is $83,251, 3% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 23.7%, 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. Plymouth County scores 67 for medical and dental practices (upper middle), #445 of 2,394 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Plymouth 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 Plymouth 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.