Groundwork

County profile · Wisconsin

Jefferson County, WI market data

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

Population, 2025
86,505
+0.3% since 2020
Households
34,873
Median household income
$83,750
+26.3% vs. 2015–2019, before inflation
Median home value
$274,100
Jobs located here
34,853
Highest market score
81
Primary care and pediatrics, #74 of 1,656 scored counties

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

Jefferson County has an estimated 86,505 people and 34,873 households. Population estimates put the population change in Jefferson County from 2020 to 2025 at +0.3%, slower than the U.S. (+3.1%). Median household income in Jefferson County is $83,750, 4% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 26.3%, before inflation.

Relative to the U.S., household spending in Jefferson County runs highest on vehicle maintenance and repairs (an index of 118, where 100 is the U.S. average) and lowest on child care and other personal services (71).

Of the business types scored in Jefferson County, primary care and pediatric clinics (81), physical therapy clinics (78) and barbershops (75) have the highest Groundwork market scores. For primary care and pediatric clinics, that ranks #74 of 1,656 scored counties.

Jefferson County is part of the Watertown-Fort Atkinson area. Against the U.S., map listings per household run highest for pet grooming and boarding businesses (twice the U.S. rate) and lowest for bakeries and dessert shops (45% below the U.S. rate).

All 56 business types in Jefferson County

Highest Groundwork market score first. Each score compares Jefferson 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 Jefferson County, WI, 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
Primary care and pediatrics81#74 of 1,65682.3$6.3M35221
Physical therapy78#91 of 1,422144.0$3.6M1495
Barbershops75#130 of 1,35672.0$5M268Under 3
Car washes and detailing73#162 of 1,451123.4$3.3M1304
Martial arts and dance studios70#163 of 1,334123.4$2.6M1305
Bakeries and dessert shops70#255 of 1,889195.4$7.3M17716
Tire shops70#269 of 1,530113.2$3.6M143Under 3
Grocery and convenience stores69#475 of 2,4026618.9$3.3M9613
Spas and skin care68#276 of 1,769267.5$1.4M1555
Nail salons66#245 of 1,328154.3$2.4M1415
Pizza66#451 of 2,090257.2$5.6M10955
Dentists and orthodontists64#432 of 1,886308.6$1.7M17027
Doctors, dentists and clinics64#586 of 2,39420057.4$250K16470
Convenience stores64#623 of 2,261288.0$7.7M97Under 3
Fast food and sandwich shops63#617 of 2,2224312.3$3.2M10655
Coffee shops and cafes62#536 of 2,063308.6$4.6M12516
Grocery stores62#622 of 2,070216.0$10.2M11013
Auto repair and car care59#803 of 2,40114240.7$277K10346
Collision repair and body shops58#489 of 1,327123.4$3.3M1069
Sit-down restaurants58#808 of 2,40516246.5$858K12965
Property management56#340 of 91072.0Index only1288
Restaurants and cafes56#922 of 2,40533696.3$414K112141
Gas stations54#991 of 2,3584613.2$2.2M9135
Optometrists and eye care53#616 of 1,302185.2$2.8M896
Auto repair shops53#1,058 of 2,3788424.1$468K10541
Yoga, Pilates and fitness studios52#344 of 77761.7$5.2M12912
Chiropractors51#712 of 1,490246.9$2.1M8711
Mortgage brokers and lenders50#435 of 88782.3Index only159Under 3
Gyms, studios and classes50#1,052 of 2,0884914.1$640K9717
Salons, barbers and spas47#1,341 of 2,38514842.4$239K11235
Real estate agents and brokers45#1,320 of 2,1766618.9Index only13828
Pet grooming and boarding44#877 of 1,461257.2$1.2M475
Child care and preschools44#987 of 1,611226.3$652K6516
Real estate44#1,395 of 2,2298323.8Index only13845
Electricians43#752 of 1,160113.2$8.7M7221
Gyms43#1,162 of 1,792318.9$1M7812
Laundromats41#497 of 78572.0$9.9M79Under 3
House cleaning41#580 of 84782.3$5.4M8516
Funeral homes41#936 of 1,47292.6$526K778
Oil change and quick lube39#346 of 47951.4$7.9M57Under 3
Pet stores39#659 of 97492.6$3.3M74Under 3
HVAC and plumbing39#1,243 of 1,707277.7$3.5M7434
Lawn, cleaning and pest control38#1,318 of 1,771298.3$1.5M8959
Pet businesses38#1,615 of 2,2005716.3$528K6021
Hair salons38#1,739 of 2,3399828.1$360K8425
Landscaping and lawn care37#1,088 of 1,493195.4$2.3M7843
Veterinarians36#1,066 of 1,485164.6$1.9M6916
Clothing and shoe stores35#1,570 of 2,0876719.2$1M8138
Insurance agencies35#1,656 of 2,2725716.3$1.1M8429
Clothing, shoes and laundry35#1,694 of 2,2109025.8$769K8741
Home repair trades33#1,770 of 2,0576017.2$1.6M6565
Roofing and gutters25#1,070 of 1,177226.3$4.3M5110
Dry cleanersNot scoredNot scored30.9$23.1M1473
Home inspectorsNot scoredNot scored20.6Index onlyToo fewUnder 3
Pest controlNot scoredNot scored20.6$21.7MToo fewUnder 3
Urgent care and walk-in clinicsNot scoredNot scored00.0None listedNone listedUnder 3

Household spending in Jefferson 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 Jefferson County, WI by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$39.3M$1,126118
Gasoline and other fuels$99.7M$2,859110
Food away from home$139M$3,98698
Groceries$214.8M$6,15997
Personal care products and services$35.3M$1,013101
Child care and other personal services$14.3M$41171
Memberships, classes and admissions$31.4M$89991
Medical and dental services$50.1M$1,436111
Pets$30.1M$86295
Clothing, shoes and related services$69.2M$1,98597
Vehicle insurance$60.3M$1,73088
Home repairs, maintenance and insurance$95.4M$2,73691
Lawn care, cleaning and other household services$43.4M$1,24388
Rent and homeowner costs$496.1M$14,22585

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 Jefferson County

Population, 2025 estimate
86,505+0.3% since 2020
Households
34,873
Median age
42.2
Homes lived in by their owners
73%
Vehicles per household
2.0
Land area
557 sq. mi.
People per square mile
155
Median household income
$83,750+26.3% vs. 2015–2019, before inflation
Average household income
$100,082
Median home value
$274,100
Jobs located here
34,853
Daytime population
76,557Residents who don’t work, plus everyone whose job is here

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

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Jefferson County is part of the Watertown-Fort Atkinson, WI area.

Questions

How fast is Jefferson County, WI growing?

Population estimates put Jefferson County at 86,505 people in 2025, up 0.3% since 2020, slower than the U.S. (+3.1%). It has 34,873 households. Median household income rose 26.3% from the 2015–2019 survey, before inflation.

How much do households in Jefferson County, WI spend?

Households in Jefferson County spend about $496.1M a year on rent and homeowner costs, $214.8M on groceries and $139M on food away from home. Set against the U.S., households in Jefferson County spend the most on vehicle maintenance and repairs (an index of 118, where 100 is the U.S. average) and the least on child care and other personal services (71).

Which business types have the highest market scores in Jefferson County, WI?

The highest Groundwork market scores in Jefferson County are for primary care and pediatric clinics (81), physical therapy clinics (78) and barbershops (75). Jefferson County ranks #74 of 1,656 scored counties for primary care and pediatric clinics.

How does Jefferson County, WI compare with the U.S.?

The median household income in Jefferson County is $83,750 a year, 4% above the U.S. median of $80,734. The population rose 0.3% from 2020 to 2025, against +3.1% for the U.S. The median home value is $274,100, against $332,700 for the U.S. For its number of households, Jefferson County has the most map listings, relative to the U.S., for pet grooming and boarding businesses (twice the U.S. rate) and the fewest for bakeries and dessert shops (45% 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. 52 of the 56 business types have a score in Jefferson 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 Jefferson 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 Jefferson 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 Jefferson 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.