Groundwork

County profile · Iowa

Johnson County, IA market data

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

Population, 2025
160,044
+4.6% since 2020
Households
63,341
Median household income
$74,935
+19.8% vs. 2015–2019, before inflation
Median home value
$308,600
Jobs located here
88,327
Highest market score
84
Convenience stores, #97 of 2,261 scored counties

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

Johnson County has an estimated 160,044 people and 63,341 households. Population estimates put the population change in Johnson County from 2020 to 2025 at +4.6%, faster than the U.S. (+3.1%). Median household income in Johnson County is $74,935, 7% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 19.8%, before inflation.

Relative to the U.S., household spending in Johnson County runs highest on medical and dental services (an index of 113, where 100 is the U.S. average) and lowest on child care and other personal services (78).

Of the business types scored in Johnson County, convenience stores (84), grocery and convenience stores (82) and barbershops (81) have the highest Groundwork market scores. For convenience stores, that ranks #97 of 2,261 scored counties.

Johnson County is part of the Iowa City metro area. Against the U.S., map listings per household run highest for chiropractors (61% above the U.S. rate) and lowest for barbershops (47% below the U.S. rate).

All 56 business types in Johnson County

Highest Groundwork market score first. Each score compares Johnson 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 Johnson 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
Convenience stores84#97 of 2,261294.6$13.4M169Under 3
Grocery and convenience stores82#147 of 2,4029114.4$4.3M12627
Barbershops81#60 of 1,356182.8$3.6M1903
Primary care and pediatrics79#99 of 1,656294.6$3.2M17868
Veterinarians76#155 of 1,485193.0$2.9M10813
Auto repair shops75#211 of 2,37810015.8$647K14554
Auto repair and car care75#228 of 2,40117527.6$370K13877
Laundromats73#130 of 78581.3$16.2M130Under 3
Pet grooming and boarding73#152 of 1,461162.5$3.5M13713
Pet businesses73#195 of 2,200568.8$993K11331
Nail salons72#124 of 1,328335.2$2M1177
Gas stations72#334 of 2,358446.9$3.7M15348
Pest control70#97 of 69960.9$13.4M1314
Mortgage brokers and lenders70#114 of 88781.3Index only291Under 3
Pet stores70#166 of 974101.6$5.6M1235
Tire shops70#273 of 1,530203.2$3.2M12910
HVAC and plumbing69#241 of 1,707365.7$4.9M10342
Funeral homes65#356 of 1,47291.4$766K1135
Collision repair and body shops64#349 of 1,327193.0$3.4M11016
Spas and skin care63#426 of 1,769609.5$1.1M12313
Dentists and orthodontists63#481 of 1,8867011.1$1.3M13454
Martial arts and dance studios62#332 of 1,334274.3$2.3M11422
Home repair trades61#545 of 2,0577511.8$2.4M9795
Grocery stores61#661 of 2,070446.9$8.8M9527
Roofing and gutters60#364 of 1,177193.0$9.3M11015
Physical therapy60#459 of 1,422426.6$2.2M9124
Car washes and detailing59#501 of 1,451304.7$2.2M869
Fast food and sandwich shops58#839 of 2,2229615.2$2.7M87120
Pizza57#768 of 2,0906610.4$3.9M76120
Doctors, dentists and clinics57#889 of 2,39447174.4$195K128190
Optometrists and eye care56#527 of 1,302314.9$3M9516
Salons, barbers and spas54#944 of 2,38526241.4$246K11672
Electricians53#522 of 1,160203.2$8.8M7438
Hair salons53#1,019 of 2,33914823.4$435K10147
Gyms52#857 of 1,7926410.1$966K7421
Insurance agencies51#1,073 of 2,272629.8$1.6M12553
Home inspectors50#200 of 41550.8Index only693
Chiropractors50#747 of 1,490558.7$1.7M7025
Yoga, Pilates and fitness studios49#407 of 777203.2$3.1M7621
Gyms, studios and classes48#1,178 of 2,08811117.5$557K8443
Clothing, shoes and laundry48#1,214 of 2,21015824.9$823K9365
Bakeries and dessert shops47#1,046 of 1,8897011.1$3.6M8850
Clothing and shoe stores47#1,167 of 2,08712018.9$1.1M8562
Sit-down restaurants47#1,328 of 2,40538961.4$654K99161
Real estate agents and brokers46#1,291 of 2,17615624.6Index only10752
Restaurants and cafes45#1,421 of 2,405762120.3$334K90335
Real estate44#1,416 of 2,22919130.2Index only110101
Landscaping and lawn care42#946 of 1,493467.3$1.7M6059
Coffee shops and cafes42#1,329 of 2,0639615.2$2.7M7250
Child care and preschools41#1,068 of 1,611406.3$719K7269
House cleaning40#603 of 847182.8$4.5M7035
Lawn, cleaning and pest control40#1,273 of 1,7717011.1$1.1M6898
Property management38#657 of 910223.5Index only7437
Urgent care and walk-in clinicsNot scoredNot scored40.6$23M943
Dry cleanersNot scoredNot scored30.5$43.3M2763
Oil change and quick lubeNot scoredNot scored30.5$21.6M1574

Household spending in Johnson 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 Johnson 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$64.7M$1,021107
Gasoline and other fuels$160.9M$2,54098
Food away from home$254.6M$4,01999
Groceries$387.3M$6,11497
Personal care products and services$64.4M$1,017101
Child care and other personal services$28.8M$45478
Memberships, classes and admissions$61.8M$97699
Medical and dental services$92M$1,453113
Pets$55.6M$87897
Clothing, shoes and related services$130M$2,052100
Vehicle insurance$97M$1,53178
Home repairs, maintenance and insurance$176.6M$2,78892
Lawn care, cleaning and other household services$80.4M$1,26990
Rent and homeowner costs$908.7M$14,34786

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 Johnson County

Population, 2025 estimate
160,044+4.6% since 2020
Households
63,341
Median age
34.5
Homes lived in by their owners
59%
Vehicles per household
1.7
Land area
613 sq. mi.
People per square mile
256
Median household income
$74,935+19.8% vs. 2015–2019, before inflation
Average household income
$108,874
Median home value
$308,600
Jobs located here
88,327
Daytime population
171,516Residents who don’t work, plus everyone whose job is here

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

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Johnson County is part of the Iowa City, IA metro area.

Questions

How fast is Johnson County, IA growing?

Population estimates put Johnson County at 160,044 people in 2025, up 4.6% since 2020, faster than the U.S. (+3.1%). It has 63,341 households. Median household income rose 19.8% from the 2015–2019 survey, before inflation.

How much do households in Johnson County, IA spend?

Households in Johnson County spend about $908.7M a year on rent and homeowner costs, $387.3M on groceries and $254.6M on food away from home. Set against the U.S., households in Johnson County spend the most on medical and dental services (an index of 113, where 100 is the U.S. average) and the least on child care and other personal services (78).

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

The highest Groundwork market scores in Johnson County are for convenience stores (84), grocery and convenience stores (82) and barbershops (81). Johnson County ranks #97 of 2,261 scored counties for convenience stores.

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

The median household income in Johnson County is $74,935 a year, 7% below the U.S. median of $80,734. The population rose 4.6% from 2020 to 2025, against +3.1% for the U.S. The median home value is $308,600, against $332,700 for the U.S. For its number of households, Johnson County has the most map listings, relative to the U.S., for chiropractors (61% above the U.S. rate) and the fewest for barbershops (47% 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. 53 of the 56 business types have a score in Johnson 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 Johnson 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 Johnson 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 Johnson 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.