Groundwork

County profile · Iowa

Polk County, IA market data

Population, household spending and competition for 56 business types in Polk County, each scored against other counties.

Population, 2025
516,546
+4.8% since 2020
Households
205,358
Median household income
$83,576
+23.6% vs. 2015–2019, before inflation
Median home value
$262,100
Jobs located here
309,340
Highest market score
84
Urgent care and walk-in clinics, #4 of 325 scored counties

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

An estimated 516,546 people live in Polk County, in 205,358 households. Between 2020 and 2025, the population of Polk County grew 4.8%, faster than the U.S. (+3.1%). The median household income in Polk County is $83,576 a year, 4% above the U.S. median of $80,734. That rose 23.6% from the 2015–2019 survey, before inflation.

Set against the U.S., households in Polk County spend the most on medical and dental services (an index of 117, where 100 is the U.S. average) and the least on child care and other personal services (80).

The highest Groundwork market scores in Polk County are for urgent care and walk-in clinics (84), convenience stores (84) and oil change and quick-lube shops (80). Polk County ranks #4 of 325 scored counties for urgent care and walk-in clinics.

Polk County is part of the Des Moines-West Des Moines metro area. For its number of households, Polk County has the most map listings, relative to the U.S., for chiropractors (2.2 times the U.S. rate) and the fewest for gas stations (59% below the U.S. rate).

All 56 business types in Polk County

Highest Groundwork market score first. Each score compares Polk 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 Polk 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
Urgent care and walk-in clinics84#4 of 32560.3$51.5M21011
Convenience stores84#108 of 2,2611527.4$8.5M10812
Oil change and quick lube80#7 of 479110.5$20.1M14710
Grocery and convenience stores77#252 of 2,40235417.2$3.6M108102
Collision repair and body shops76#119 of 1,327512.5$4.3M14147
HVAC and plumbing73#158 of 1,7071155.6$5.2M109141
Gas stations71#358 of 2,358924.5$6M251204
Auto repair shops70#347 of 2,37840419.7$549K123197
Barbershops69#271 of 1,3561055.1$2.1M11010
Auto repair and car care68#435 of 2,40170734.4$313K117292
Laundromats67#194 of 785351.7$12.4M9911
Veterinarians66#360 of 1,485713.5$2.6M9762
Tire shops66#378 of 1,530803.9$2.8M11139
Fast food and sandwich shops66#523 of 2,22226312.8$3.3M107397
Grocery stores64#576 of 2,0701406.8$9.2M9990
Dry cleaners63#133 of 507271.3$16M10216
Electricians63#295 of 1,160572.8$10.4M87114
Funeral homes62#439 of 1,472351.7$662K9817
Dentists and orthodontists62#514 of 1,88624812.1$1.2M127175
Pet businesses62#577 of 2,20022310.9$841K96145
Bakeries and dessert shops61#515 of 1,8891849.0$4.7M112142
Optometrists and eye care59#454 of 1,3021105.4$2.8M9042
Pizza59#695 of 2,09021010.2$4.1M80397
Primary care and pediatrics58#602 of 1,65622210.8$1.4M78233
Pet grooming and boarding57#555 of 1,461854.1$2.2M8759
Sit-down restaurants56#917 of 2,4051,20558.7$711K107404
Pet stores55#400 of 974432.1$4.4M9624
Nail salons55#540 of 1,3281215.9$1.8M10764
Clothing and shoe stores55#875 of 2,08734416.8$1.3M99153
Restaurants and cafes55#985 of 2,4052,296111.8$373K101937
Martial arts and dance studios54#557 of 1,3341115.4$1.9M9371
Child care and preschools54#727 of 1,6111145.6$833K83128
Clothing, shoes and laundry54#975 of 2,21047423.1$912K104180
Home repair trades53#911 of 2,05732015.6$1.9M77318
Coffee shops and cafes53#912 of 2,06325812.6$3.3M90131
Landscaping and lawn care52#662 of 1,4931276.2$2.1M72182
Yoga, Pilates and fitness studios50#386 of 777542.6$3.8M9589
Property management49#463 of 910633.1Index only8790
Hair salons49#1,246 of 2,33952225.4$416K97192
Pest control48#379 of 699331.6$8.2M8030
Car washes and detailing48#785 of 1,4511125.5$2M7944
Spas and skin care47#1,000 of 1,76925412.4$854K9866
Gyms46#1,070 of 1,79222511.0$923K7189
Home inspectors45#243 of 415160.8Index only7215
House cleaning45#514 of 847472.3$5.7M90152
Gyms, studios and classes45#1,318 of 2,08839019.0$532K80160
Salons, barbers and spas45#1,478 of 2,3851,02149.7$213K100342
Physical therapy44#886 of 1,4221939.4$1.6M67109
Lawn, cleaning and pest control44#1,100 of 1,77120710.1$1.3M77364
Doctors, dentists and clinics43#1,558 of 2,3942,661129.6$116K76715
Chiropractors38#1,083 of 1,49024612.0$1.3M53145
Real estate agents and brokers37#1,760 of 2,17662330.3Index only89316
Real estate36#1,851 of 2,22981339.6Index only86517
Mortgage brokers and lenders35#712 of 8871115.4Index only7048
Roofing and gutters35#916 of 1,1771487.2$4M4863
Insurance agencies23#2,022 of 2,27243921.4$759K60295

Household spending in Polk 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 Polk 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$221.6M$1,079113
Gasoline and other fuels$551.3M$2,684103
Food away from home$856.7M$4,172102
Groceries$1.3B$6,289100
Personal care products and services$217M$1,057105
Child care and other personal services$95M$46280
Memberships, classes and admissions$207.6M$1,011103
Medical and dental services$309.1M$1,505117
Pets$187.6M$913100
Clothing, shoes and related services$432.5M$2,106102
Vehicle insurance$333.2M$1,62383
Home repairs, maintenance and insurance$595.5M$2,90096
Lawn care, cleaning and other household services$269.2M$1,31193
Rent and homeowner costs$3B$14,76489

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 Polk County

Population, 2025 estimate
516,546+4.8% since 2020
Households
205,358
Median age
37.1
Homes lived in by their owners
67%
Vehicles per household
1.8
Land area
573 sq. mi.
People per square mile
879
Median household income
$83,576+23.6% vs. 2015–2019, before inflation
Average household income
$109,398
Median home value
$262,100
Jobs located here
309,340
Daytime population
566,731Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

Polk County is part of the Des Moines-West Des Moines, IA metro area.

Questions

How fast is Polk County, IA growing?

Population estimates put Polk County at 516,546 people in 2025, up 4.8% since 2020, faster than the U.S. (+3.1%). It has 205,358 households. Against the 2015–2019 survey, median household income rose 23.6%, before inflation.

How much do households in Polk County, IA spend?

Households in Polk County spend about $3B a year on rent and homeowner costs, $1.3B on groceries and $856.7M on food away from home. Relative to the U.S., household spending in Polk County runs highest on medical and dental services (an index of 117, where 100 is the U.S. average) and lowest on child care and other personal services (80).

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

Of the business types scored in Polk County, urgent care and walk-in clinics (84), convenience stores (84) and oil change and quick-lube shops (80) have the highest Groundwork market scores. For urgent care and walk-in clinics, that ranks #4 of 325 scored counties.

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

Median household income in Polk County is $83,576, 4% above the U.S. median of $80,734. The population rose 4.8% from 2020 to 2025, against +3.1% for the U.S. The median home value is $262,100, against $332,700 for the U.S. Against the U.S., map listings per household run highest for chiropractors (2.2 times the U.S. rate) and lowest for gas stations (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. All 56 business types have a score in Polk 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 Polk 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.

All markets in Iowa · Every U.S. market · How we measure

Screening a site or an acquisition in Polk 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 Polk 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.