Groundwork

County profile · Iowa

Mahaska County, IA market data

How Mahaska County compares with other counties for 56 business types: competitors, household spending, official counts and growth.

Population, 2025
21,880
−1.2% since 2020
Households
8,743
Median household income
$70,940
+29.4% vs. 2015–2019, before inflation
Median home value
$157,800
Jobs located here
8,845
Highest market score
69
Dentists and orthodontists, #278 of 1,886 scored counties

A site report maps the competitors on map listings around any address in Mahaska County by name and distance, and the households and spending within reach. Or open the report at the center of Mahaska 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

Mahaska County has an estimated 21,880 people and 8,743 households. Population estimates show Mahaska County declined 1.2% from 2020 to 2025, against +3.1% for the U.S. Median household income in Mahaska County is $70,940, 12% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.4%, before inflation.

Relative to the U.S., household spending in Mahaska County runs highest on vehicle maintenance and repairs (an index of 126, where 100 is the U.S. average) and lowest on child care and other personal services (60).

Of the business types scored in Mahaska County, dentists and orthodontists (69), sit-down restaurants (65) and medical and dental practices (64) have the highest Groundwork market scores. For dentists and orthodontists, that ranks #278 of 1,886 scored counties.

Mahaska County is part of the Oskaloosa area. Against the U.S., map listings per household run highest for pizza places (twice the U.S. rate) and lowest for real estate agents and brokers (59% below the U.S. rate).

All 56 business types in Mahaska County

Highest Groundwork market score first. Each score compares Mahaska County with other counties for that business type, from 0 to 100. Spending per listing divides a whole spending line (all vehicle repairs, all eating out) by one type’s listings: the demand for each competitor, not a business’s revenue. Compare it across markets with its index, where 100 is the U.S. figure for the same type; the real estate types, whose line is all housing costs, show the index only. How the score works.

Every business type in Mahaska County, IA, highest Groundwork market score first, with its rank among counties, listings, listings per 10,000 households, spending per listing and official establishments
Business typeScoreRank among countiesListingsPer 10k householdsSpending per listingSpending per listing vs. U.S. (100)Official establishments
Dentists and orthodontists69#278 of 1,88655.7$2.3M2365
Sit-down restaurants65#520 of 2,4053236.6$987K14911
Doctors, dentists and clinics64#579 of 2,3944146.9$283K18513
Gas stations62#645 of 2,35889.2$3.4M14211
Home repair trades61#513 of 2,05755.7$4.4M18211
Bakeries and dessert shops60#531 of 1,88955.7$6.3M1524
Restaurants and cafes60#752 of 2,4056776.6$471K12730
Spas and skin care59#545 of 1,76955.7$1.6M186Under 3
Real estate56#766 of 2,2291416.0Index only1924
Fast food and sandwich shops56#903 of 2,2221011.4$3.2M10413
Real estate agents and brokers53#868 of 2,1761112.6Index only1944
Coffee shops and cafes53#883 of 2,06378.0$4.5M1224
Clothing, shoes and laundry53#1,013 of 2,2101517.2$1.1M1213
Grocery and convenience stores51#1,175 of 2,4022022.9$2.5M754
Clothing and shoe stores48#1,136 of 2,0871314.9$1.2M973
Grocery stores43#1,251 of 2,07066.9$8.5M914
Convenience stores43#1,366 of 2,261910.3$5.7M72Under 3
Tire shops41#999 of 1,53055.7$2.1M843
Lawn, cleaning and pest control41#1,195 of 1,77155.7$2M12015
Gyms41#1,216 of 1,79266.9$1.1M86Under 3
Auto repair shops41#1,591 of 2,3782528.6$422K9514
Car washes and detailing38#1,027 of 1,45155.7$2.1M843
Auto repair and car care38#1,729 of 2,4014248.0$251K9422
Pizza36#1,614 of 2,0901416.0$2.3M4413
Gyms, studios and classes34#1,668 of 2,0881213.7$559K85Under 3
Salons, barbers and spas33#2,029 of 2,3854248.0$193K918
Child care and preschools30#1,335 of 1,61166.9$504K504
Pet businesses25#2,003 of 2,2001213.7$568K659
Chiropractors24#1,381 of 1,490910.3$1.3M545
Hair salons23#2,172 of 2,3392933.2$280K657
Martial arts and dance studios20#1,258 of 1,33466.9$1.1M55Under 3
Insurance agencies15#2,177 of 2,2722124.0$785K6217
Funeral homesNot scoredNot scored44.6$325K483
Nail salonsNot scoredNot scored44.6$2M122Under 3
Pet storesNot scoredNot scored44.6$1.7M38Under 3
Physical therapyNot scoredNot scored44.6$2.9M121Under 3
BarbershopsNot scoredNot scored33.4$2.7M144Under 3
House cleaningNot scoredNot scored33.4$3.4M533
HVAC and plumbingNot scoredNot scored33.4$7.4M1555
Pet grooming and boardingNot scoredNot scored33.4$2.3M894
VeterinariansNot scoredNot scored33.4$2.3M835
Collision repair and body shopsNot scoredNot scored22.3$5.3MToo few4
ElectriciansNot scoredNot scored22.3$11MToo few6
Optometrists and eye careNot scoredNot scored22.3$5.8MToo fewUnder 3
Primary care and pediatricsNot scoredNot scored22.3$5.8MToo few3
Property managementNot scoredNot scored22.3Index onlyToo fewUnder 3
Home inspectorsNot scoredNot scored11.1Index onlyToo fewUnder 3
Landscaping and lawn careNot scoredNot scored11.1$10.1MToo few12
LaundromatsNot scoredNot scored11.1$16MToo fewUnder 3
Pest controlNot scoredNot scored11.1$10.1MToo fewUnder 3
Dry cleanersNot scoredNot scored00.0None listedNone listedUnder 3
Mortgage brokers and lendersNot scoredNot scored00.0None listedNone listedUnder 3
Oil change and quick lubeNot scoredNot scored00.0None listedNone listedUnder 3
Roofing and guttersNot scoredNot scored00.0None listedNone listedUnder 3
Urgent care and walk-in clinicsNot scoredNot scored00.0None listedNone listedUnder 3
Yoga, Pilates and fitness studiosNot scoredNot scored00.0None listedNone listedUnder 3

Household spending in Mahaska County

What households here spend in a year on each line, in total and per household, with the index against the U.S. average (100).

Annual household spending in Mahaska County, IA by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$10.6M$1,207126
Gasoline and other fuels$27.1M$3,095119
Food away from home$31.6M$3,61289
Groceries$50.9M$5,82692
Personal care products and services$8.1M$92992
Child care and other personal services$3M$34660
Memberships, classes and admissions$6.7M$76878
Medical and dental services$11.6M$1,326103
Pets$6.8M$77986
Clothing, shoes and related services$16M$1,83189
Vehicle insurance$16.5M$1,88596
Home repairs, maintenance and insurance$22.1M$2,52784
Lawn care, cleaning and other household services$10.1M$1,15482
Rent and homeowner costs$116.5M$13,32080

Household spending is estimated from the incomes of the households in each neighborhood, using what households at each income spent nationally in 2024, adjusted for the region. It counts what residents spend, wherever they spend it.

Population and households in Mahaska County

Population, 2025 estimate
21,880−1.2% since 2020
Households
8,743
Median age
39.4
Homes lived in by their owners
68%
Vehicles per household
2.1
Land area
571 sq. mi.
People per square mile
39
Median household income
$70,940+29.4% vs. 2015–2019, before inflation
Average household income
$86,932
Median home value
$157,800
Jobs located here
8,845
Daytime population
19,874Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Mahaska 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 competitors on map listings by name and distance, for any of the 56 business types.

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

Free10 actions over 3 days, no card

Mahaska County is part of the Oskaloosa, IA area.

Questions

How fast is Mahaska County, IA growing?

Population estimates put Mahaska County at 21,880 people in 2025, down 1.2% since 2020, against +3.1% for the U.S. It has 8,743 households. Median household income rose 29.4% from the 2015–2019 survey, before inflation.

How much do households in Mahaska County, IA spend?

Households in Mahaska County spend about $116.5M a year on rent and homeowner costs, $50.9M on groceries and $31.6M on food away from home. Set against the U.S., households in Mahaska County spend the most on vehicle maintenance and repairs (an index of 126, where 100 is the U.S. average) and the least on child care and other personal services (60).

Which business types have the highest market scores in Mahaska County, IA?

The highest Groundwork market scores in Mahaska County are for dentists and orthodontists (69), sit-down restaurants (65) and medical and dental practices (64). Mahaska County ranks #278 of 1,886 scored counties for dentists and orthodontists.

How does Mahaska County, IA compare with the U.S.?

The median household income in Mahaska County is $70,940 a year, 12% below the U.S. median of $80,734. The population fell 1.2% from 2020 to 2025, against +3.1% for the U.S. The median home value is $157,800, against $332,700 for the U.S. For its number of households, Mahaska County has the most map listings, relative to the U.S., for pizza places (twice the U.S. rate) and the fewest for real estate agents and brokers (59% below the U.S. rate).

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. 32 of the 56 business types have a score in Mahaska County, each ranked against other counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Mahaska County. It maps the competitors 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.

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Screening a site or an acquisition in Mahaska 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 Mahaska 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.