Groundwork

County profile · Iowa

Sioux County, IA market data

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

Population, 2025
36,774
+2.5% since 2020
Households
12,690
Median household income
$86,098
+23.3% vs. 2015–2019, before inflation
Median home value
$250,100
Jobs located here
22,086
Highest market score
79
Physical therapy, #76 of 1,422 scored counties

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

Sioux County has an estimated 36,774 people and 12,690 households. Between 2020 and 2025, the population of Sioux County grew 2.5%, slower than the U.S. (+3.1%). Median household income in Sioux County is $86,098, 7% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 23.3%, before inflation.

Relative to the U.S., household spending in Sioux County runs highest on vehicle maintenance and repairs (an index of 139, where 100 is the U.S. average) and lowest on child care and other personal services (76).

Of the business types scored in Sioux County, physical therapy clinics (79), spas and skin care studios (69) and fast food and sandwich shops (67) have the highest Groundwork market scores. For physical therapy clinics, that ranks #76 of 1,422 scored counties.

Against the U.S., map listings per household run highest for pet businesses (3.9 times the U.S. rate) and lowest for real estate businesses (57% below the U.S. rate).

All 56 business types in Sioux County

Highest Groundwork market score first. Each score compares Sioux 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 Sioux 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
Physical therapy79#76 of 1,42253.9$3.8M156Under 3
Spas and skin care69#252 of 1,769107.9$1.3M151Under 3
Fast food and sandwich shops67#488 of 2,2221713.4$3.1M10120
Doctors, dentists and clinics66#487 of 2,3946853.6$276K18134
Tire shops63#456 of 1,53086.3$2.1M85Under 3
Nail salons62#352 of 1,32875.5$1.9M113Under 3
Dentists and orthodontists60#561 of 1,886129.5$1.6M15914
Real estate agents and brokers58#645 of 2,1761814.2Index only18911
Real estate58#655 of 2,2292116.5Index only20419
Pizza57#770 of 2,0901511.8$3.5M6920
Restaurants and cafes57#888 of 2,405136107.2$384K10452
Salons, barbers and spas56#849 of 2,3855241.0$255K12012
Clothing, shoes and laundry56#882 of 2,2102721.3$968K1108
Clothing and shoe stores55#871 of 2,0872015.8$1.3M1038
Convenience stores55#955 of 2,2611612.6$5M63Under 3
Sit-down restaurants53#1,050 of 2,4057559.1$697K10524
Bakeries and dessert shops52#869 of 1,8891411.0$3.7M907
Car washes and detailing51#700 of 1,45175.5$2.4M966
Gyms, studios and classes48#1,189 of 2,0882418.9$517K786
Gas stations48#1,276 of 2,3582418.9$1.8M7425
Gyms45#1,120 of 1,7922217.3$564K433
HVAC and plumbing44#1,055 of 1,70797.1$4M8416
Coffee shops and cafes44#1,263 of 2,0632217.3$2.4M647
Hair salons41#1,601 of 2,3393527.6$379K8812
Auto repair shops41#1,616 of 2,3784636.2$368K8335
Auto repair and car care41#1,621 of 2,4017659.9$223K8343
Funeral homes40#977 of 1,47253.9$391K586
Grocery and convenience stores40#1,616 of 2,4024233.1$1.9M5612
Pet grooming and boarding39#1,004 of 1,461107.9$1.1M453
Optometrists and eye care38#954 of 1,30297.1$2.1M674
Collision repair and body shops36#990 of 1,32797.1$1.9M6114
Home repair trades36#1,666 of 2,0572015.8$1.8M7436
Chiropractors34#1,187 of 1,4901411.0$1.3M5611
Landscaping and lawn care33#1,204 of 1,49397.1$1.8M6218
Insurance agencies33#1,706 of 2,2722116.5$1.2M9830
Lawn, cleaning and pest control32#1,516 of 1,7711411.0$1.2M6928
Pet stores31#772 of 97486.3$1.4M31Under 3
Grocery stores30#1,661 of 2,0702116.5$3.8M4111
Pet businesses28#1,949 of 2,2005140.2$223K2512
Veterinarians27#1,282 of 1,485129.5$946K359
Electricians26#1,042 of 1,16097.1$4M3314
Child care and preschools25#1,422 of 1,6111511.8$375K3716
House cleaningNot scoredNot scored43.2$4.1M6410
Primary care and pediatricsNot scoredNot scored43.2$4.7M2645
LaundromatsNot scoredNot scored21.6$13.1MToo fewUnder 3
Martial arts and dance studiosNot scoredNot scored21.6$6.2MToo few3
Mortgage brokers and lendersNot scoredNot scored21.6Index onlyToo fewUnder 3
Roofing and guttersNot scoredNot scored21.6$18MToo few6
Home inspectorsNot scoredNot scored10.8Index onlyToo fewUnder 3
Pest controlNot scoredNot scored10.8$16.3MToo fewUnder 3
BarbershopsNot scoredNot scored00.0None listedNone listedUnder 3
Dry cleanersNot scoredNot scored00.0None listedNone listedUnder 3
Oil change and quick lubeNot scoredNot scored00.0None listedNone listedUnder 3
Property managementNot 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 listed3

Household spending in Sioux 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 Sioux 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$16.9M$1,335139
Gasoline and other fuels$42.5M$3,347129
Food away from home$52.3M$4,119101
Groceries$79.4M$6,25899
Personal care products and services$13.3M$1,044104
Child care and other personal services$5.6M$44376
Memberships, classes and admissions$12.4M$979100
Medical and dental services$18.8M$1,480115
Pets$11.4M$89498
Clothing, shoes and related services$26.1M$2,060100
Vehicle insurance$25.7M$2,027104
Home repairs, maintenance and insurance$36M$2,84094
Lawn care, cleaning and other household services$16.3M$1,28591
Rent and homeowner costs$185.4M$14,61388

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 Sioux County

Population, 2025 estimate
36,774+2.5% since 2020
Households
12,690
Median age
34.6
Homes lived in by their owners
76%
Vehicles per household
2.3
Land area
768 sq. mi.
People per square mile
47
Median household income
$86,098+23.3% vs. 2015–2019, before inflation
Average household income
$104,988
Median home value
$250,100
Jobs located here
22,086
Daytime population
39,304Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

Questions

How fast is Sioux County, IA growing?

Population estimates put Sioux County at 36,774 people in 2025, up 2.5% since 2020, slower than the U.S. (+3.1%). It has 12,690 households. Median household income rose 23.3% from the 2015–2019 survey, before inflation.

How much do households in Sioux County, IA spend?

Households in Sioux County spend about $185.4M a year on rent and homeowner costs, $79.4M on groceries and $52.3M on food away from home. Set against the U.S., households in Sioux County spend the most on vehicle maintenance and repairs (an index of 139, where 100 is the U.S. average) and the least on child care and other personal services (76).

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

The highest Groundwork market scores in Sioux County are for physical therapy clinics (79), spas and skin care studios (69) and fast food and sandwich shops (67). Sioux County ranks #76 of 1,422 scored counties for physical therapy clinics.

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

The median household income in Sioux County is $86,098 a year, 7% above the U.S. median of $80,734. The population rose 2.5% from 2020 to 2025, against +3.1% for the U.S. The median home value is $250,100, against $332,700 for the U.S. For its number of households, Sioux County has the most map listings, relative to the U.S., for pet businesses (3.9 times the U.S. rate) and the fewest for real estate businesses (57% 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. 42 of the 56 business types have a score in Sioux 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 Sioux 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 Sioux 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 Sioux 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.