Groundwork

County profile · Michigan

Washtenaw County, MI market data

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

Population, 2025
370,214
−0.4% since 2020
Households
150,550
Median household income
$89,180
+22.9% vs. 2015–2019, before inflation
Median home value
$374,100
Jobs located here
186,868
Highest market score
80
Convenience stores, #158 of 2,261 scored counties

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

Washtenaw County has an estimated 370,214 people and 150,550 households. Between 2020 and 2025, the population of Washtenaw County declined 0.4%, against +3.1% for the U.S. Median household income in Washtenaw County is $89,180, 10% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 22.9%, before inflation.

Relative to the U.S., household spending in Washtenaw County runs highest on medical and dental services (an index of 123, where 100 is the U.S. average) and lowest on vehicle insurance (76).

Of the business types scored in Washtenaw County, convenience stores (80), nail salons (77) and HVAC and plumbing companies (77) have the highest Groundwork market scores. For convenience stores, that ranks #158 of 2,261 scored counties.

Washtenaw County is part of the Ann Arbor metro area. Against the U.S., map listings per household run highest for yoga, Pilates and fitness studios (96% above the U.S. rate) and lowest for convenience stores (59% below the U.S. rate).

All 56 business types in Washtenaw County

Highest Groundwork market score first. Each score compares Washtenaw 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 Washtenaw County, MI, 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 stores80#158 of 2,261503.3$19.4M24618
Nail salons77#66 of 1,328533.5$3.1M18814
HVAC and plumbing77#86 of 1,707644.3$7.2M15170
Electricians75#91 of 1,160291.9$15.9M13238
Laundromats75#97 of 785120.8$28.2M2257
Home repair trades74#125 of 2,0571459.6$3.2M131124
Collision repair and body shops73#148 of 1,327241.6$6.4M20825
Barbershops73#168 of 1,356614.1$2.7M1455
Tire shops73#199 of 1,530291.9$5.3M21216
Auto repair shops73#250 of 2,37818612.4$828K18689
Grocery and convenience stores73#341 of 2,40218012.0$5.4M15985
Auto repair and car care72#290 of 2,40134222.7$450K168145
Pest control71#81 of 699100.7$20.8M2033
Car washes and detailing68#274 of 1,451453.0$3.4M13617
Roofing and gutters66#229 of 1,177523.5$8.8M10516
Primary care and pediatrics66#342 of 1,656906.0$2.6M149168
Urgent care and walk-in clinics64#73 of 325110.7$21.7M887
Grocery stores64#558 of 2,070765.0$12.8M13767
Home inspectors63#98 of 41570.5Index only1264
Chiropractors62#395 of 1,490724.8$3.3M13855
Fast food and sandwich shops62#641 of 2,22216310.8$4.1M134303
Optometrists and eye care61#396 of 1,302684.5$3.5M11227
Funeral homes59#497 of 1,472191.3$976K14413
Pet grooming and boarding59#511 of 1,461593.9$2.5M9834
Physical therapy58#503 of 1,422865.7$2.8M11559
Martial arts and dance studios57#462 of 1,334755.0$2.3M11547
Bakeries and dessert shops57#650 of 1,8891348.9$5M12091
Hair salons57#812 of 2,33932021.3$522K12193
Gas stations56#904 of 2,35815310.2$2.4M10394
Restaurants and cafes56#912 of 2,4051,49199.0$446K120681
Dry cleaners55#217 of 507191.3$17.8M11314
House cleaning55#314 of 847291.9$7.2M11273
Spas and skin care55#691 of 1,7691348.9$1.2M14239
Clothing and shoe stores55#853 of 2,08720313.5$1.7M131108
Clothing, shoes and laundry55#908 of 2,21027118.0$1.2M142129
Sit-down restaurants55#944 of 2,40582654.9$805K121293
Pet stores54#404 of 974302.0$4.9M10816
Pizza54#859 of 2,0901379.1$4.9M95303
Pet businesses54#895 of 2,20017111.4$856K97110
Salons, barbers and spas54#933 of 2,38558739.0$284K134153
Gyms51#872 of 1,7921369.0$1.3M9861
Coffee shops and cafes50#1,010 of 2,06319212.8$3.5M9380
Child care and preschools47#895 of 1,611865.7$940K94113
Veterinarians46#845 of 1,485664.4$2.2M8260
Lawn, cleaning and pest control44#1,098 of 1,7711489.8$1.4M84224
Gyms, studios and classes44#1,341 of 2,08828218.7$616K93108
Doctors, dentists and clinics44#1,475 of 2,3941,35089.7$176K116510
Insurance agencies43#1,354 of 2,27215510.3$1.5M116105
Real estate agents and brokers41#1,532 of 2,17642228.0Index only10199
Mortgage brokers and lenders40#622 of 887734.8Index only8120
Landscaping and lawn care39#1,046 of 1,4931097.2$1.9M65148
Property management38#655 of 910543.6Index only7766
Dentists and orthodontists37#1,411 of 1,88624015.9$992K101194
Real estate36#1,844 of 2,22955636.9Index only96211
Oil change and quick lube35#369 of 479171.1$9.1M6614
Yoga, Pilates and fitness studios33#657 of 777714.7$2.4M6061

Household spending in Washtenaw 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 Washtenaw County, MI by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$154M$1,023107
Gasoline and other fuels$374.6M$2,48896
Food away from home$664.6M$4,414108
Groceries$970.6M$6,447102
Personal care products and services$166.9M$1,109110
Child care and other personal services$80.8M$53792
Memberships, classes and admissions$173.6M$1,153117
Medical and dental services$238.2M$1,582123
Pets$146.4M$973107
Clothing, shoes and related services$337.9M$2,244109
Vehicle insurance$224.9M$1,49476
Home repairs, maintenance and insurance$459.7M$3,054101
Lawn care, cleaning and other household services$207.8M$1,38098
Rent and homeowner costs$2.3B$15,39392

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 Washtenaw County

Population, 2025 estimate
370,214−0.4% since 2020
Households
150,550
Median age
38.4
Homes lived in by their owners
62%
Vehicles per household
1.7
Land area
706 sq. mi.
People per square mile
524
Median household income
$89,180+22.9% vs. 2015–2019, before inflation
Average household income
$124,750
Median home value
$374,100
Jobs located here
186,868
Daytime population
409,361Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

Washtenaw County is part of the Ann Arbor, MI metro area.

Questions

How fast is Washtenaw County, MI growing?

Population estimates put Washtenaw County at 370,214 people in 2025, down 0.4% since 2020, against +3.1% for the U.S. It has 150,550 households. Median household income rose 22.9% from the 2015–2019 survey, before inflation.

How much do households in Washtenaw County, MI spend?

Households in Washtenaw County spend about $2.3B a year on rent and homeowner costs, $970.6M on groceries and $664.6M on food away from home. Set against the U.S., households in Washtenaw County spend the most on medical and dental services (an index of 123, where 100 is the U.S. average) and the least on vehicle insurance (76).

Which business types have the highest market scores in Washtenaw County, MI?

The highest Groundwork market scores in Washtenaw County are for convenience stores (80), nail salons (77) and HVAC and plumbing companies (77). Washtenaw County ranks #158 of 2,261 scored counties for convenience stores.

How does Washtenaw County, MI compare with the U.S.?

The median household income in Washtenaw County is $89,180 a year, 10% above the U.S. median of $80,734. The population fell 0.4% from 2020 to 2025, against +3.1% for the U.S. The median home value is $374,100, against $332,700 for the U.S. For its number of households, Washtenaw County has the most map listings, relative to the U.S., for yoga, Pilates and fitness studios (96% above the U.S. rate) and the fewest for convenience stores (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 Washtenaw 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 Washtenaw 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 Michigan · Every U.S. market · How we measure

Screening a site or an acquisition in Washtenaw 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 Washtenaw 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.