Auto · County · South Dakota
Insurance agencies in Brookings County, SD
Competitor counts, household spending and official business counts for insurance agencies in Brookings County, SD, set against other counties and the U.S.
Groundwork market score · out of 100
Score 34 out of 100: Lower middle
Ranked #1,696 of 2,272 scored counties
#4 of 17 scored counties in South Dakota
- Listings
- 28
- 4 chain locations (14%)
- Official establishments
- 18
- Businesses with payroll, 2023
- Household spending a year
- $25.1M
- On vehicle insurance · $1,823 a household
- Spending per listing
- $898K
- 28% below the U.S.
- Listings per 10k households
- 20.3
- 30% above the U.S.
- Population, 2025
- 37,635
- +9.6% since 2020
See the insurance agencies around any address in Brookings County
The site report maps the insurance agencies on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Brookings County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Households in Brookings County spend about $25.1M a year on vehicle insurance, or $1,823 per household, 7% below the U.S. average. That is about $898K of household spending for each agency on map listings, 28% below the U.S. figure of $1.3M.
There are 28 insurance agencies on map listings in Brookings County as of September 2026. Of those, 4 are chain locations, or 14%, against 21% across the U.S. Per 10,000 households, that is 20.3, 30% above the U.S. rate of 15.6.
The official count of businesses with payroll classed as insurance agencies and brokerages in Brookings County was 18 in 2023. That is one for every 767 households, against one for every 966 across the U.S.
Population estimates put the population change in Brookings County from 2020 to 2025 at +9.6%, faster than the U.S. (+3.1%). For insurance agencies, Brookings County has a Groundwork market score of 34 (lower middle): #1,696 of 2,272 scored counties and #4 of 17 scored counties in South Dakota.
How Brookings County compares
The same measures for South Dakota and the whole U.S. Spending per listing divides a year of household spending on all vehicle insurance by the insurance agencies counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Brookings County | South Dakota | U.S. |
|---|---|---|---|
| Listings per 10k households | 20.3 | 19.1 | 15.6 |
| Spending per listing | $898K | $957K | $1.3M |
| Households per official establishment | 767 | 491 | 966 |
| Official establishment growth, 2019–2023 | n/a | +3.0% | −1.0% |
| Population growth, 2020–2025 | +9.6% | +5.3% | +3.1% |
| Spending per household on vehicle insurance | $1,823 | $1,827 | $1,957 |
| Median household income | $70,064 | $75,081 | $80,734 |
| Groundwork market score | 34 | 29 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 18 → 18
- Employees, 2023
- 58
- Annual payroll, 2023
- $2.7M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 284 chain locations
- Listings at the U.S. rate for this spending
- 20The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 0
- Amount
- $0
SBA-backed loans to businesses classed as insurance agencies and brokerages in Brookings County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.
Population and households in Brookings County
- Population, 2025 estimate
- 37,635+9.6% since 2020
- Households
- 13,798
- Median age
- 31.9
- Homes lived in by their owners
- 57%
- Vehicles per household
- 2.1
- Land area
- 792 sq. mi.
- People per square mile
- 45
- Median household income
- $70,064+20.5% vs. 2015–2019, before inflation
- Average household income
- $89,400
- Median home value
- $264,600
- Jobs located here
- 19,000
- Daytime population
- 37,385Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Brookings 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 insurance agencies on map listings by name and distance.
Or open the report at the center of Brookings County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardInsurance agencies across South Dakota
Every South Dakota market ranked →The highest-scoring counties in South Dakota for insurance agencies, numbered among those based in South Dakota, with Brookings County marked.
Top counties in South Dakota
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Meade County, SD | 57 | 13 | 10.9 | $1.9M | +2.7% | #869 of 2,272 |
| 2Union County, SD | 36 | 11 | 15.0 | $1.3M | +3.3% | #1,604 of 2,272 |
| 3Lawrence County, SD | 35 | 23 | 19.1 | $943K | +14.0% | #1,663 of 2,272 |
| 4Brookings County, SD | 34 | 28 | 20.3 | $898K | +9.6% | #1,696 of 2,272 |
| 5Lincoln County, SD | 32 | 54 | 19.4 | $961K | +17.5% | #1,760 of 2,272 |
| 6Minnehaha County, SD | 31 | 148 | 17.4 | $953K | +7.6% | #1,783 of 2,272 |
| 7Pennington County, SD | 29 | 85 | 18.3 | $966K | +6.6% | #1,845 of 2,272 |
| 8Butte County, SD | 29 | 10 | 23.2 | $883K | +5.5% | #1,849 of 2,272 |
| 9Beadle County, SD | 26 | 14 | 18.6 | $1M | +2.4% | #1,924 of 2,272 |
| 10Codington County, SD | 24 | 32 | 25.5 | $726K | +4.3% | #1,993 of 2,272 |
Other business types in Brookings County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many insurance agencies are in Brookings County, SD?
As of September 2026, map listings count 28 insurance agencies in Brookings County. 4 of them (14%) are chain locations. The listings count insurance agencies. Official counts show 18 businesses with payroll classed as insurance agencies and brokerages in 2023.
How much do households in Brookings County, SD spend on vehicle insurance?
About $25.1M a year, or $1,823 per household. That is 7% below the U.S. average (an index of 93, where 100 is the U.S. average). Spread across the 28 insurance agencies on map listings, it comes to $898K per agency. It is estimated from the incomes of the 13,798 households in Brookings County and national spending patterns by income.
How does Brookings County, SD compare with the U.S. for insurance agencies?
Brookings County has 20.3 insurance agencies per 10,000 households, 30% above the U.S. rate of 15.6. Spending per agency is $898K, 28% below the U.S. figure of $1.3M. At the U.S. ratio of insurance agencies to household spending, Brookings County would have about 20, against 28 on map listings. There is one business with payroll in the industry for every 767 households, against one for every 966 across the U.S.
How fast is Brookings County, SD growing?
Population estimates put Brookings County at 37,635 people in 2025, up 9.6% since 2020, faster than the U.S. (+3.1%). It has 13,798 households. Median household income in Brookings County is $70,064, 13% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 20.5%, before inflation.
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. Brookings County scores 34 for insurance agencies (lower middle), #1,696 of 2,272 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Brookings County. It maps the insurance agencies 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.
How the score works · Top markets for insurance agencies · All 56 business types in Brookings County
Screening a site or an acquisition in Brookings 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 Brookings 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.