Groundwork

County profile · Illinois

Madison County, IL market data

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

Population, 2025
263,110
−1.0% since 2020
Households
110,134
Median household income
$75,793
+24.8% vs. 2015–2019, before inflation
Median home value
$173,000
Jobs located here
107,257
Highest market score
67
Pet stores, #209 of 974 scored counties

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

An estimated 263,110 people live in Madison County, in 110,134 households. Population estimates show Madison County declined 1.0% from 2020 to 2025, against +3.1% for the U.S. The median household income in Madison County is $75,793 a year, 6% below the U.S. median of $80,734. That rose 24.8% from the 2015–2019 survey, before inflation.

Set against the U.S., households in Madison County spend the most on vehicle maintenance and repairs (an index of 112, where 100 is the U.S. average) and the least on child care and other personal services (73).

The highest Groundwork market scores in Madison County are for pet stores (67), electricians (67) and barbershops (67). Madison County ranks #209 of 974 scored counties for pet stores.

Madison County is part of the St. Louis metro area. For its number of households, Madison County has the most map listings, relative to the U.S., for chiropractors (72% above the U.S. rate) and the fewest for property management companies (50% below the U.S. rate).

All 56 business types in Madison County

Highest Groundwork market score first. Each score compares Madison 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 Madison 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
Pet stores67#209 of 974171.5$5.6M1235
Electricians67#212 of 1,160201.8$15.2M12636
Barbershops67#289 of 1,356423.8$2.6M1394
Coffee shops and cafes66#402 of 2,063857.7$5.1M13838
Dry cleaners65#101 of 507100.9$22M1414
Primary care and pediatrics64#402 of 1,656635.7$2.5M140115
Nail salons63#326 of 1,328484.4$2.3M13814
Property management62#248 of 910171.5Index only16514
Tire shops62#473 of 1,530454.1$2.6M10413
Clothing and shoe stores62#611 of 2,08712111.0$1.8M14341
House cleaning61#214 of 847161.5$8.6M13432
Bakeries and dessert shops61#506 of 1,889847.6$5.2M12546
Grocery stores61#650 of 2,070625.6$10.8M11639
Grocery and convenience stores60#790 of 2,40218016.3$3.7M11071
Child care and preschools59#568 of 1,611433.9$1.1M10849
Convenience stores59#789 of 2,261837.5$8.1M10232
Veterinarians58#530 of 1,485312.8$3.1M11231
Clothing, shoes and laundry58#778 of 2,21017115.5$1.3M14661
Gas stations58#821 of 2,3581039.4$2.9M12095
Hair salons57#828 of 2,33923221.1$476K11144
Martial arts and dance studios55#521 of 1,334544.9$1.9M9318
Pet businesses54#902 of 2,20011710.6$808K9258
Pest control53#309 of 699121.1$11.4M1129
Salons, barbers and spas51#1,103 of 2,38542438.5$260K12289
Spas and skin care50#883 of 1,7691009.1$1.1M12625
Sit-down restaurants50#1,165 of 2,40558252.8$745K112198
Pet grooming and boarding49#763 of 1,461484.4$2M7722
Restaurants and cafes49#1,222 of 2,4051,07998.0$402K108477
Auto repair and car care48#1,292 of 2,40141037.2$287K107188
Yoga, Pilates and fitness studios47#438 of 777201.8$5.1M12543
Roofing and gutters47#657 of 1,177403.6$7.6M9020
Gyms47#1,018 of 1,792807.3$1.3M9843
Home repair trades47#1,191 of 2,05714212.9$2.1M88153
Gyms, studios and classes47#1,205 of 2,08815414.0$660K10061
Auto repair shops47#1,322 of 2,37824622.3$479K108138
Doctors, dentists and clinics47#1,326 of 2,39476569.5$206K135362
Dentists and orthodontists46#1,090 of 1,88613111.9$1.2M122102
Optometrists and eye care45#791 of 1,302494.4$3.2M10331
Collision repair and body shops44#789 of 1,327373.4$3.2M10341
Mortgage brokers and lenders43#565 of 887333.0Index only12117
Physical therapy43#890 of 1,422676.1$2.4M9860
Pizza43#1,310 of 2,0901049.4$4.2M82239
Fast food and sandwich shops43#1,395 of 2,22215614.2$2.8M91239
Funeral homes42#917 of 1,472322.9$485K7220
Home inspectors41#273 of 41580.7Index only745
Oil change and quick lube41#328 of 479111.0$10.7M7811
HVAC and plumbing40#1,206 of 1,707827.4$3.7M7897
Real estate agents and brokers40#1,583 of 2,17624422.2Index only11776
Car washes and detailing38#1,039 of 1,451615.5$1.9M7722
Real estate38#1,735 of 2,22930227.4Index only119134
Lawn, cleaning and pest control35#1,423 of 1,77111210.2$1.2M73133
Chiropractors34#1,177 of 1,4901029.3$1.5M6548
Laundromats31#603 of 785232.1$9.6M7716
Landscaping and lawn care31#1,255 of 1,493847.6$1.6M5692
Insurance agencies18#2,120 of 2,27222320.2$802K64124
Urgent care and walk-in clinicsNot scoredNot scored40.4$39.4M1606

Household spending in Madison 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 Madison 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$117.7M$1,069112
Gasoline and other fuels$295.7M$2,685103
Food away from home$433.7M$3,93897
Groceries$669M$6,07596
Personal care products and services$110.3M$1,002100
Child care and other personal services$46.7M$42473
Memberships, classes and admissions$101.6M$92394
Medical and dental services$157.5M$1,430111
Pets$94.6M$85994
Clothing, shoes and related services$220.3M$2,00197
Vehicle insurance$178.8M$1,62383
Home repairs, maintenance and insurance$303.2M$2,75391
Lawn care, cleaning and other household services$137.3M$1,24788
Rent and homeowner costs$1.6B$14,17185

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 Madison County

Population, 2025 estimate
263,110−1.0% since 2020
Households
110,134
Median age
41.0
Homes lived in by their owners
74%
Vehicles per household
1.8
Land area
716 sq. mi.
People per square mile
369
Median household income
$75,793+24.8% vs. 2015–2019, before inflation
Average household income
$98,419
Median home value
$173,000
Jobs located here
107,257
Daytime population
246,510Residents who don’t work, plus everyone whose job is here

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

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Madison County is part of the St. Louis, MO-IL metro area.

Questions

How fast is Madison County, IL growing?

Population estimates put Madison County at 263,110 people in 2025, down 1.0% since 2020, against +3.1% for the U.S. It has 110,134 households. Against the 2015–2019 survey, median household income rose 24.8%, before inflation.

How much do households in Madison County, IL spend?

Households in Madison County spend about $1.6B a year on rent and homeowner costs, $669M on groceries and $433.7M on food away from home. Relative to the U.S., household spending in Madison County runs highest on vehicle maintenance and repairs (an index of 112, where 100 is the U.S. average) and lowest on child care and other personal services (73).

Which business types have the highest market scores in Madison County, IL?

Of the business types scored in Madison County, pet stores (67), electricians (67) and barbershops (67) have the highest Groundwork market scores. For pet stores, that ranks #209 of 974 scored counties.

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

Median household income in Madison County is $75,793, 6% below the U.S. median of $80,734. The population fell 1.0% from 2020 to 2025, against +3.1% for the U.S. The median home value is $173,000, against $332,700 for the U.S. Against the U.S., map listings per household run highest for chiropractors (72% above the U.S. rate) and lowest for property management companies (50% 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. 55 of the 56 business types have a score in Madison 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 Madison 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 Madison 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 Madison 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.