Groundwork

County profile · South Dakota

Brown County, SD market data

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

Population, 2025
37,561
−1.7% since 2020
Households
16,285
Median household income
$70,898
+21.8% vs. 2015–2019, before inflation
Median home value
$221,100
Jobs located here
19,972
Highest market score
63
Bakeries and dessert shops, #435 of 1,889 scored counties

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

Brown County has an estimated 37,561 people and 16,285 households. Between 2020 and 2025, the population of Brown County declined 1.7%, against +3.1% for the U.S. Median household income in Brown County is $70,898, 12% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 21.8%, before inflation.

Relative to the U.S., household spending in Brown County runs highest on vehicle maintenance and repairs (an index of 114, where 100 is the U.S. average) and lowest on child care and other personal services (66).

Of the business types scored in Brown County, bakeries and dessert shops (63), tire shops (63) and optometrists and eye clinics (61) have the highest Groundwork market scores. For bakeries and dessert shops, that ranks #435 of 1,889 scored counties.

Brown County is part of the Aberdeen area. Against the U.S., map listings per household run highest for electricians (3.2 times the U.S. rate) and lowest for real estate agents and brokers (42% below the U.S. rate).

All 56 business types in Brown County

Highest Groundwork market score first. Each score compares Brown 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 Brown County, SD, 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
Bakeries and dessert shops63#435 of 1,88984.9$7.6M1838
Tire shops63#439 of 1,53053.1$3.6M143Under 3
Optometrists and eye care61#388 of 1,30253.1$4.5M1423
Sit-down restaurants57#858 of 2,4057445.4$822K12423
Physical therapy54#599 of 1,42263.7$3.7M1558
Coffee shops and cafes54#843 of 2,063138.0$4.7M1268
Grocery stores53#899 of 2,07074.3$13.7M1479
Restaurants and cafes53#1,045 of 2,40514387.8$425K11563
Grocery and convenience stores51#1,162 of 2,4023219.6$3M8810
Hair salons50#1,201 of 2,3394024.6$388K904
Salons, barbers and spas48#1,269 of 2,3856036.8$259K12212
Convenience stores46#1,266 of 2,261169.8$6M76Under 3
Fast food and sandwich shops46#1,305 of 2,2222213.5$2.8M9130
Spas and skin care44#1,084 of 1,769148.6$1.1M1274
Martial arts and dance studios39#963 of 1,33484.9$1.7M844
Pet grooming and boarding38#1,005 of 1,46163.7$2.2M875
Dentists and orthodontists38#1,353 of 1,8862012.3$1.1M11318
Pizza38#1,516 of 2,0901811.1$3.4M6630
Primary care and pediatrics36#1,264 of 1,6561911.7$1.2M6622
Real estate agents and brokers36#1,783 of 2,1762917.8Index only14015
Child care and preschools35#1,235 of 1,611148.6$449K456
Doctors, dentists and clinics34#1,928 of 2,39414086.0$159K10462
Real estate33#1,962 of 2,2293722.7Index only13829
Gas stations32#1,886 of 2,3582917.8$1.6M6622
Property management31#775 of 91063.7Index only675
Auto repair and car care31#1,983 of 2,4017646.7$235K8737
Landscaping and lawn care30#1,267 of 1,49395.5$2.2M7419
Lawn, cleaning and pest control30#1,565 of 1,771138.0$1.5M8931
Clothing, shoes and laundry29#1,874 of 2,2104628.2$675K7716
Auto repair shops29#2,042 of 2,3784728.9$380K8530
Car washes and detailing28#1,252 of 1,451116.8$1.6M644
Clothing and shoe stores26#1,818 of 2,0873722.7$840K6616
Gyms25#1,600 of 1,7922012.3$680K526
Gyms, studios and classes25#1,907 of 2,0883420.9$400K6010
Pet businesses25#2,009 of 2,2002616.0$509K5812
Yoga, Pilates and fitness studios24#737 of 77763.7$2.3M566
Chiropractors24#1,378 of 1,490169.8$1.4M5811
Veterinarians23#1,331 of 1,48595.5$1.5M547
Collision repair and body shops21#1,243 of 1,327106.1$1.8M5812
HVAC and plumbing15#1,685 of 1,7071911.7$2.2M4722
Home repair trades15#2,039 of 2,0573320.3$1.3M5349
Pet stores14#935 of 97484.9$1.7M37Under 3
Electricians9#1,151 of 1,160138.0$3.3M2724
Insurance agencies8#2,261 of 2,2724527.6$610K4945
Funeral homesNot scoredNot scored42.5$561K834
Nail salonsNot scoredNot scored42.5$3.9M2323
Pest controlNot scoredNot scored31.8$6.5M63Under 3
Urgent care and walk-in clinicsNot scoredNot scored31.8$7.4M30Under 3
Dry cleanersNot scoredNot scored21.2$15.5MToo fewUnder 3
Home inspectorsNot scoredNot scored21.2Index onlyToo fewUnder 3
BarbershopsNot scoredNot scored10.6$15.5MToo fewUnder 3
House cleaningNot scoredNot scored10.6$19.4MToo few12
LaundromatsNot scoredNot scored10.6$31.1MToo fewUnder 3
Oil change and quick lubeNot scoredNot scored10.6$17.8MToo few3
Roofing and guttersNot scoredNot scored10.6$42.7MToo few3
Mortgage brokers and lendersNot scoredNot scored00.0None listedNone listedUnder 3

Household spending in Brown 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 Brown County, SD by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$17.8M$1,096114
Gasoline and other fuels$45.4M$2,787107
Food away from home$60.8M$3,73392
Groceries$95.9M$5,88893
Personal care products and services$15.5M$95395
Child care and other personal services$6.3M$38666
Memberships, classes and admissions$13.6M$83685
Medical and dental services$22.3M$1,370106
Pets$13.2M$81389
Clothing, shoes and related services$31.1M$1,90893
Vehicle insurance$27.4M$1,68586
Home repairs, maintenance and insurance$42.7M$2,62187
Lawn care, cleaning and other household services$19.4M$1,19184
Rent and homeowner costs$221.9M$13,62482

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 Brown County

Population, 2025 estimate
37,561−1.7% since 2020
Households
16,285
Median age
39.1
Homes lived in by their owners
68%
Vehicles per household
1.9
Land area
1,713 sq. mi.
People per square mile
22
Median household income
$70,898+21.8% vs. 2015–2019, before inflation
Average household income
$92,772
Median home value
$221,100
Jobs located here
19,972
Daytime population
38,336Residents who don’t work, plus everyone whose job is here

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

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Brown County is part of the Aberdeen, SD area.

Questions

How fast is Brown County, SD growing?

Population estimates put Brown County at 37,561 people in 2025, down 1.7% since 2020, against +3.1% for the U.S. It has 16,285 households. Median household income rose 21.8% from the 2015–2019 survey, before inflation.

How much do households in Brown County, SD spend?

Households in Brown County spend about $221.9M a year on rent and homeowner costs, $95.9M on groceries and $60.8M on food away from home. Set against the U.S., households in Brown County spend the most on vehicle maintenance and repairs (an index of 114, where 100 is the U.S. average) and the least on child care and other personal services (66).

Which business types have the highest market scores in Brown County, SD?

The highest Groundwork market scores in Brown County are for bakeries and dessert shops (63), tire shops (63) and optometrists and eye clinics (61). Brown County ranks #435 of 1,889 scored counties for bakeries and dessert shops.

How does Brown County, SD compare with the U.S.?

The median household income in Brown County is $70,898 a year, 12% below the U.S. median of $80,734. The population fell 1.7% from 2020 to 2025, against +3.1% for the U.S. The median home value is $221,100, against $332,700 for the U.S. For its number of households, Brown County has the most map listings, relative to the U.S., for electricians (3.2 times the U.S. rate) and the fewest for real estate agents and brokers (42% 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. 44 of the 56 business types have a score in Brown 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 Brown 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 South Dakota · Every U.S. market · How we measure

Screening a site or an acquisition in Brown 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 Brown 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.