Groundwork

County profile · Minnesota

Martin County, MN market data

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

Population, 2025
19,440
−2.8% since 2020
Households
8,839
Median household income
$59,507
+12.7% vs. 2015–2019, before inflation
Median home value
$163,500
Jobs located here
8,052
Highest market score
54
Gyms, studios and classes, #838 of 2,088 scored counties

A site report maps the competitors on map listings around any address in Martin County by name and distance, and the households and spending within reach. Or open the report at the center of Martin 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 19,440 people live in Martin County, in 8,839 households. Between 2020 and 2025, the population of Martin County declined 2.8%, against +3.1% for the U.S. The median household income in Martin County is $59,507 a year, 26% below the U.S. median of $80,734. That rose 12.7% from the 2015–2019 survey, before inflation.

Set against the U.S., households in Martin County spend the most on vehicle maintenance and repairs (an index of 110, where 100 is the U.S. average) and the least on child care and other personal services (58).

The highest Groundwork market scores in Martin County are for gyms and studios (54), restaurants and cafes (54) and fast food and sandwich shops (53). Martin County ranks #838 of 2,088 scored counties for gyms and studios.

Martin County is part of the Fairmont area. For its number of households, Martin County has the most map listings, relative to the U.S., for chiropractors (3.4 times the U.S. rate) and the fewest for real estate businesses (47% below the U.S. rate).

All 56 business types in Martin County

Highest Groundwork market score first. Each score compares Martin 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 Martin County, MN, 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
Gyms, studios and classes54#838 of 2,08877.9$934K1414
Restaurants and cafes54#1,000 of 2,4057079.2$439K11828
Fast food and sandwich shops53#1,017 of 2,2221011.3$3.1M10111
Grocery and convenience stores52#1,120 of 2,4021820.4$2.8M823
Bakeries and dessert shops51#876 of 1,88955.7$6.2M148Under 3
Convenience stores50#1,114 of 2,26166.8$8.3M106Under 3
Pet businesses48#1,184 of 2,20089.1$824K944
Salons, barbers and spas47#1,316 of 2,3852831.7$283K133Under 3
Sit-down restaurants46#1,347 of 2,4053843.0$809K12215
Dentists and orthodontists45#1,127 of 1,8861011.3$1.1M1166
Grocery stores45#1,174 of 2,07066.8$8.3M903
Pizza45#1,234 of 2,09089.1$3.8M7611
Real estate45#1,339 of 2,2291820.4Index only1474
Doctors, dentists and clinics42#1,575 of 2,3945562.2$208K13626
Coffee shops and cafes41#1,333 of 2,06377.9$4.4M119Under 3
Clothing, shoes and laundry41#1,459 of 2,2101820.4$880K1004
Gas stations41#1,535 of 2,3581112.4$2.2M9111
Home repair trades40#1,488 of 2,0571011.3$2.2M9011
Real estate agents and brokers39#1,637 of 2,1761618.1Index only1314
Gyms37#1,315 of 1,79255.7$1.3M1004
Clothing and shoe stores37#1,506 of 2,0871517.0$1.1M834
Car washes and detailing32#1,165 of 1,45155.7$1.9M74Under 3
Hair salons32#1,969 of 2,3392022.6$396K92Under 3
Optometrists and eye care29#1,100 of 1,30255.7$2.3M73Under 3
Auto repair and car care27#2,109 of 2,4014348.6$216K8017
Auto repair shops26#2,133 of 2,3782528.3$372K8415
Landscaping and lawn care22#1,431 of 1,493910.2$1.1M386
Lawn, cleaning and pest control21#1,729 of 1,7711213.6$830K4910
Chiropractors13#1,479 of 1,4901618.1$715K309
Insurance agencies6#2,271 of 2,2722326.0$636K5119
Child care and preschoolsNot scoredNot scored44.5$743K74Under 3
ElectriciansNot scoredNot scored44.5$5.5M454
HVAC and plumbingNot scoredNot scored44.5$5.5M1157
Collision repair and body shopsNot scoredNot scored33.4$3.1M1014
Funeral homesNot scoredNot scored33.4$572K843
House cleaningNot scoredNot scored33.4$3.3M524
Nail salonsNot scoredNot scored33.4$2.6M158Under 3
Pet grooming and boardingNot scoredNot scored33.4$2.2M86Under 3
Tire shopsNot scoredNot scored33.4$3.1M124Under 3
VeterinariansNot scoredNot scored33.4$2.2M814
BarbershopsNot scoredNot scored22.3$4MToo fewUnder 3
LaundromatsNot scoredNot scored22.3$7.9MToo fewUnder 3
Martial arts and dance studiosNot scoredNot scored22.3$3.3MToo fewUnder 3
Physical therapyNot scoredNot scored22.3$5.7MToo few6
Roofing and guttersNot scoredNot scored22.3$10.9MToo fewUnder 3
Spas and skin careNot scoredNot scored22.3$4MToo fewUnder 3
Home inspectorsNot scoredNot scored11.1Index onlyToo fewUnder 3
Property managementNot scoredNot scored11.1Index onlyToo fewUnder 3
Dry cleanersNot scoredNot scored00.0None listedNone listedUnder 3
Mortgage brokers and lendersNot scoredNot scored00.0None listedNone listedUnder 3
Oil change and quick lubeNot scoredNot scored00.0None listedNone listedUnder 3
Pest controlNot scoredNot scored00.0None listedNone listedUnder 3
Pet storesNot scoredNot scored00.0None listedNone listedUnder 3
Primary care and pediatricsNot scoredNot scored00.0None listedNone listed5
Urgent care and walk-in clinicsNot scoredNot scored00.0None listedNone listedUnder 3
Yoga, Pilates and fitness studiosNot scoredNot scored00.0None listedNone listed4

Household spending in Martin 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 Martin County, MN by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$9.3M$1,052110
Gasoline and other fuels$24M$2,712105
Food away from home$30.8M$3,48085
Groceries$50M$5,65990
Personal care products and services$7.9M$89689
Child care and other personal services$3M$33658
Memberships, classes and admissions$6.5M$73975
Medical and dental services$11.4M$1,294100
Pets$6.6M$74682
Clothing, shoes and related services$15.8M$1,79187
Vehicle insurance$14.6M$1,65485
Home repairs, maintenance and insurance$21.8M$2,46882
Lawn care, cleaning and other household services$10M$1,12680
Rent and homeowner costs$114.7M$12,97478

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 Martin County

Population, 2025 estimate
19,440−2.8% since 2020
Households
8,839
Median age
44.1
Homes lived in by their owners
69%
Vehicles per household
1.9
Land area
712 sq. mi.
People per square mile
28
Median household income
$59,507+12.7% vs. 2015–2019, before inflation
Average household income
$82,458
Median home value
$163,500
Jobs located here
8,052
Daytime population
18,159Residents who don’t work, plus everyone whose job is here

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

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Martin County is part of the Fairmont, MN area.

Questions

How fast is Martin County, MN growing?

Population estimates put Martin County at 19,440 people in 2025, down 2.8% since 2020, against +3.1% for the U.S. It has 8,839 households. Against the 2015–2019 survey, median household income rose 12.7%, before inflation.

How much do households in Martin County, MN spend?

Households in Martin County spend about $114.7M a year on rent and homeowner costs, $50M on groceries and $30.8M on food away from home. Relative to the U.S., household spending in Martin County runs highest on vehicle maintenance and repairs (an index of 110, where 100 is the U.S. average) and lowest on child care and other personal services (58).

Which business types have the highest market scores in Martin County, MN?

Of the business types scored in Martin County, gyms and studios (54), restaurants and cafes (54) and fast food and sandwich shops (53) have the highest Groundwork market scores. For gyms and studios, that ranks #838 of 2,088 scored counties.

How does Martin County, MN compare with the U.S.?

Median household income in Martin County is $59,507, 26% below the U.S. median of $80,734. The population fell 2.8% from 2020 to 2025, against +3.1% for the U.S. The median home value is $163,500, against $332,700 for the U.S. Against the U.S., map listings per household run highest for chiropractors (3.4 times the U.S. rate) and lowest for real estate businesses (47% 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. 30 of the 56 business types have a score in Martin 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 Martin 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 Martin 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 Martin 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.