Groundwork

County profile · Iowa

Jefferson County, IA market data

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

Population, 2025
15,291
−2.5% since 2020
Households
6,952
Median household income
$61,620
+29.2% vs. 2015–2019, before inflation
Median home value
$163,400
Jobs located here
7,562
Highest market score
51
Doctors, dentists and clinics, #1,129 of 2,394 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 15,291 people and 6,952 households. Between 2020 and 2025, the population of Jefferson County declined 2.5%, against +3.1% for the U.S. Median household income in Jefferson County is $61,620, 24% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.2%, before inflation.

Relative to the U.S., household spending in Jefferson County runs highest on vehicle maintenance and repairs (an index of 105, where 100 is the U.S. average) and lowest on child care and other personal services (58).

Of the business types scored in Jefferson County, medical and dental practices (51), fast food and sandwich shops (49) and clothing and shoe stores (46) have the highest Groundwork market scores. For medical and dental practices, that ranks #1,129 of 2,394 scored counties.

Against the U.S., map listings per household run highest for coffee shops and cafes (57% above the U.S. rate) and lowest for real estate businesses (48% 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, 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
Doctors, dentists and clinics51#1,129 of 2,3944361.9$205K13511
Fast food and sandwich shops49#1,164 of 2,222710.1$3.4M11212
Clothing and shoe stores46#1,184 of 2,087811.5$1.5M1213
Grocery and convenience stores43#1,466 of 2,4021217.3$3.2M96Under 3
Salons, barbers and spas43#1,568 of 2,3852637.4$236K1114
Clothing, shoes and laundry38#1,591 of 2,2101521.6$818K933
Hair salons37#1,772 of 2,3391420.1$438K102Under 3
Gas stations35#1,775 of 2,358811.5$2.3M9511
Pizza34#1,662 of 2,090710.1$3.4M6712
Convenience stores34#1,670 of 2,261710.1$5.6M71Under 3
Pet businesses34#1,754 of 2,200912.9$565K643
Lawn, cleaning and pest control32#1,508 of 1,77168.6$1.3M767
Real estate32#1,997 of 2,2291420.1Index only14710
Auto repair shops29#2,046 of 2,3781927.3$368K839
Auto repair and car care27#2,114 of 2,4013448.9$206K7712
Real estate agents and brokers26#2,106 of 2,1761318.7Index only1267
Bakeries and dessert shops25#1,737 of 1,889811.5$3M724
Home repair trades24#1,941 of 2,057912.9$1.9M7712
Coffee shops and cafes22#1,946 of 2,0631217.3$2M544
Gyms19#1,677 of 1,792710.1$723K56Under 3
Chiropractors17#1,458 of 1,490710.1$1.3M535
Restaurants and cafes17#2,344 of 2,40589128.0$268K7235
Spas and skin care16#1,732 of 1,769912.9$681K783
Gyms, studios and classes16#2,008 of 2,0881420.1$361K55Under 3
Sit-down restaurants16#2,365 of 2,4055173.4$467K7017
Martial arts and dance studios14#1,297 of 1,33457.2$1M50Under 3
Insurance agencies12#2,227 of 2,2721420.1$783K629
Dentists and orthodontistsNot scoredNot scored45.8$2.2M2246
HVAC and plumbingNot scoredNot scored45.8$4.2M886
Tire shopsNot scoredNot scored45.8$1.7M70Under 3
VeterinariansNot scoredNot scored45.8$1.3M47Under 3
Child care and preschoolsNot scoredNot scored34.3$783K783
Collision repair and body shopsNot scoredNot scored34.3$2.3M76Under 3
ElectriciansNot scoredNot scored34.3$5.6M466
Funeral homesNot scoredNot scored34.3$366K543
Grocery storesNot scoredNot scored34.3$13M140Under 3
Landscaping and lawn careNot scoredNot scored34.3$2.6M877
Optometrists and eye careNot scoredNot scored34.3$2.9M94Under 3
Pet grooming and boardingNot scoredNot scored34.3$1.7M673
Physical therapyNot scoredNot scored34.3$2.9M122Under 3
Primary care and pediatricsNot scoredNot scored34.3$2.9M165Under 3
BarbershopsNot scoredNot scored22.9$3.1MToo fewUnder 3
House cleaningNot scoredNot scored22.9$3.8MToo fewUnder 3
LaundromatsNot scoredNot scored22.9$6.1MToo fewUnder 3
Roofing and guttersNot scoredNot scored22.9$8.4MToo fewUnder 3
Yoga, Pilates and fitness studiosNot scoredNot scored22.9$2.5MToo fewUnder 3
Car washes and detailingNot scoredNot scored11.4$7MToo fewUnder 3
Mortgage brokers and lendersNot scoredNot scored11.4Index onlyToo fewUnder 3
Nail salonsNot scoredNot scored11.4$6.1MToo fewUnder 3
Oil change and quick lubeNot scoredNot scored11.4$7MToo fewUnder 3
Pest controlNot scoredNot scored11.4$7.7MToo fewUnder 3
Pet storesNot scoredNot scored11.4$5.1MToo fewUnder 3
Dry cleanersNot scoredNot scored00.0None listedNone listedUnder 3
Home inspectorsNot scoredNot scored00.0None listedNone listedUnder 3
Property managementNot scoredNot scored00.0None listedNone listed3
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, IA by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$7M$1,006105
Gasoline and other fuels$18M$2,595100
Food away from home$23.8M$3,42884
Groceries$38.9M$5,60189
Personal care products and services$6.1M$88188
Child care and other personal services$2.3M$33858
Memberships, classes and admissions$5.1M$72874
Medical and dental services$8.8M$1,27099
Pets$5.1M$73180
Clothing, shoes and related services$12.3M$1,76486
Vehicle insurance$11M$1,57681
Home repairs, maintenance and insurance$16.7M$2,40680
Lawn care, cleaning and other household services$7.7M$1,10478
Rent and homeowner costs$89.1M$12,81677

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
15,291−2.5% since 2020
Households
6,952
Median age
44.2
Homes lived in by their owners
68%
Vehicles per household
1.8
Land area
436 sq. mi.
People per square mile
36
Median household income
$61,620+29.2% vs. 2015–2019, before inflation
Average household income
$82,383
Median home value
$163,400
Jobs located here
7,562
Daytime population
16,437Residents 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.

Free10 actions over 3 days, no card

Questions

How fast is Jefferson County, IA growing?

Population estimates put Jefferson County at 15,291 people in 2025, down 2.5% since 2020, against +3.1% for the U.S. It has 6,952 households. Median household income rose 29.2% from the 2015–2019 survey, before inflation.

How much do households in Jefferson County, IA spend?

Households in Jefferson County spend about $89.1M a year on rent and homeowner costs, $38.9M on groceries and $23.8M 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 105, where 100 is the U.S. average) and the least on child care and other personal services (58).

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

The highest Groundwork market scores in Jefferson County are for medical and dental practices (51), fast food and sandwich shops (49) and clothing and shoe stores (46). Jefferson County ranks #1,129 of 2,394 scored counties for medical and dental practices.

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

The median household income in Jefferson County is $61,620 a year, 24% below the U.S. median of $80,734. The population fell 2.5% from 2020 to 2025, against +3.1% for the U.S. The median home value is $163,400, 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 coffee shops and cafes (57% above the U.S. rate) and the fewest for real estate businesses (48% 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. 27 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.