Groundwork

County profile · Illinois

Marshall County, IL market data

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

Population, 2025
11,473
−2.0% since 2020
Households
5,094
Median household income
$71,585
+22.4% vs. 2015–2019, before inflation
Median home value
$142,800
Jobs located here
2,729
Highest market score
73
Auto repair and car care, #273 of 2,401 scored counties

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

Marshall County has an estimated 11,473 people and 5,094 households. Population estimates put the population change in Marshall County from 2020 to 2025 at −2.0%, against +3.1% for the U.S. Median household income in Marshall County is $71,585, 11% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 22.4%, before inflation.

Relative to the U.S., household spending in Marshall County runs highest on vehicle maintenance and repairs (an index of 122, where 100 is the U.S. average) and lowest on child care and other personal services (60).

Of the business types scored in Marshall County, auto repair and car care businesses (73), auto repair shops (70) and hair salons (65) have the highest Groundwork market scores. For auto repair and car care businesses, that ranks #273 of 2,401 scored counties.

Marshall County is part of the Peoria metro area. Against the U.S., map listings per household run highest for restaurants and cafes (27% above the U.S. rate) and lowest for salons, barbers and spas (58% below the U.S. rate).

All 56 business types in Marshall County

Highest Groundwork market score first. Each score compares Marshall 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 Marshall County, IL, 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
Auto repair and car care73#273 of 2,4011733.4$349K1304
Auto repair shops70#332 of 2,378815.7$743K167Under 3
Hair salons65#435 of 2,339611.8$792K184Under 3
Salons, barbers and spas64#480 of 2,3851019.6$475K223Under 3
Doctors, dentists and clinics60#738 of 2,3942345.2$296K194Under 3
Clothing, shoes and laundry56#847 of 2,210611.8$1.6M1773
Gas stations48#1,245 of 2,35859.8$3M12710
Grocery and convenience stores40#1,588 of 2,4021121.6$2.7M804
Home repair trades33#1,768 of 2,057815.7$1.6M676
Pizza32#1,744 of 2,090917.7$2.1M408
Insurance agencies30#1,792 of 2,272713.7$1.3M1066
Lawn, cleaning and pest control29#1,610 of 1,771611.8$986K594
Gyms, studios and classes29#1,816 of 2,088815.7$499K75Under 3
Grocery stores28#1,696 of 2,07059.8$5.9M643
Restaurants and cafes26#2,168 of 2,40571139.4$260K7022
Gyms25#1,593 of 1,79259.8$798K61Under 3
Bakeries and dessert shops25#1,735 of 1,889611.8$3.1M74Under 3
Sit-down restaurants22#2,273 of 2,4053772.6$499K7512
Clothing and shoe storesNot scoredNot scored47.9$2.3M1843
Convenience storesNot scoredNot scored47.9$7.4M94Under 3
Fast food and sandwich shopsNot scoredNot scored47.9$4.6M1518
HVAC and plumbingNot scoredNot scored47.9$3.3M686
Landscaping and lawn careNot scoredNot scored47.9$1.5M504
Tire shopsNot scoredNot scored47.9$1.5M59Under 3
Coffee shops and cafesNot scoredNot scored35.9$6.2M166Under 3
Collision repair and body shopsNot scoredNot scored35.9$2M64Under 3
Dentists and orthodontistsNot scoredNot scored35.9$2.3M231Under 3
Funeral homesNot scoredNot scored35.9$291K43Under 3
Martial arts and dance studiosNot scoredNot scored35.9$1.3M66Under 3
Pet businessesNot scoredNot scored35.9$1.3M151Under 3
VeterinariansNot scoredNot scored35.9$1.3M49Under 3
BarbershopsNot scoredNot scored23.9$2.4MToo fewUnder 3
ChiropractorsNot scoredNot scored23.9$3.4MToo fewUnder 3
ElectriciansNot scoredNot scored23.9$6.5MToo fewUnder 3
Optometrists and eye careNot scoredNot scored23.9$3.4MToo fewUnder 3
Primary care and pediatricsNot scoredNot scored23.9$3.4MToo fewUnder 3
Real estateNot scoredNot scored23.9Index onlyToo fewUnder 3
Real estate agents and brokersNot scoredNot scored23.9Index onlyToo fewUnder 3
Roofing and guttersNot scoredNot scored23.9$6.5MToo fewUnder 3
Spas and skin careNot scoredNot scored23.9$2.4MToo fewUnder 3
Car washes and detailingNot scoredNot scored12.0$5.9MToo fewUnder 3
House cleaningNot scoredNot scored12.0$5.9MToo fewUnder 3
LaundromatsNot scoredNot scored12.0$9.4MToo fewUnder 3
Pest controlNot scoredNot scored12.0$5.9MToo fewUnder 3
Physical therapyNot scoredNot scored12.0$6.8MToo fewUnder 3
Child care and preschoolsNot scoredNot scored00.0None listedNone listedUnder 3
Dry cleanersNot scoredNot scored00.0None listedNone listedUnder 3
Home inspectorsNot scoredNot scored00.0None listedNone listedUnder 3
Mortgage brokers and lendersNot scoredNot scored00.0None listedNone listedUnder 3
Nail salonsNot scoredNot scored00.0None listedNone listedUnder 3
Oil change and quick lubeNot scoredNot scored00.0None listedNone listedUnder 3
Pet grooming and boardingNot scoredNot scored00.0None listedNone listedUnder 3
Pet storesNot 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 listedUnder 3

Household spending in Marshall 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 Marshall County, IL by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$5.9M$1,166122
Gasoline and other fuels$15.2M$2,985115
Food away from home$18.5M$3,62389
Groceries$29.7M$5,82692
Personal care products and services$4.8M$93393
Child care and other personal services$1.8M$35160
Memberships, classes and admissions$4M$78380
Medical and dental services$6.8M$1,337104
Pets$4M$78086
Clothing, shoes and related services$9.4M$1,84090
Vehicle insurance$9.3M$1,82093
Home repairs, maintenance and insurance$13M$2,55785
Lawn care, cleaning and other household services$5.9M$1,16182
Rent and homeowner costs$68.2M$13,38580

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 Marshall County

Population, 2025 estimate
11,473−2.0% since 2020
Households
5,094
Median age
45.3
Homes lived in by their owners
79%
Vehicles per household
2.0
Land area
387 sq. mi.
People per square mile
30
Median household income
$71,585+22.4% vs. 2015–2019, before inflation
Average household income
$85,623
Median home value
$142,800
Jobs located here
2,729
Daytime population
8,879Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

Marshall County is part of the Peoria, IL metro area.

Questions

How fast is Marshall County, IL growing?

Population estimates put Marshall County at 11,473 people in 2025, down 2.0% since 2020, against +3.1% for the U.S. It has 5,094 households. Median household income rose 22.4% from the 2015–2019 survey, before inflation.

How much do households in Marshall County, IL spend?

Households in Marshall County spend about $68.2M a year on rent and homeowner costs, $29.7M on groceries and $18.5M on food away from home. Set against the U.S., households in Marshall County spend the most on vehicle maintenance and repairs (an index of 122, 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 Marshall County, IL?

The highest Groundwork market scores in Marshall County are for auto repair and car care businesses (73), auto repair shops (70) and hair salons (65). Marshall County ranks #273 of 2,401 scored counties for auto repair and car care businesses.

How does Marshall County, IL compare with the U.S.?

The median household income in Marshall County is $71,585 a year, 11% below the U.S. median of $80,734. The population fell 2.0% from 2020 to 2025, against +3.1% for the U.S. The median home value is $142,800, against $332,700 for the U.S. For its number of households, Marshall County has the most map listings, relative to the U.S., for restaurants and cafes (27% above the U.S. rate) and the fewest for salons, barbers and spas (58% 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. 18 of the 56 business types have a score in Marshall 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 Marshall 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 Illinois · Every U.S. market · How we measure

Screening a site or an acquisition in Marshall 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 Marshall 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.