Groundwork

Auto · County · South Dakota

Insurance agencies in Union County, SD

Competitor counts, household spending and official business counts for insurance agencies in Union County, SD, set against other counties and the U.S.

Groundwork market score · out of 100

Score 36 out of 100: Lower middle

Ranked #1,604 of 2,272 scored counties
#2 of 17 scored counties in South Dakota

Listings
11
5 chain locations (45%)
Official establishments
17
Businesses with payroll, 2023
Household spending a year
$14.4M
On vehicle insurance · $1,971 a household
Spending per listing
$1.3M
4% above the U.S.
Listings per 10k households
15.0
4% below the U.S.
Population, 2025
17,402
+3.3% since 2020

See the insurance agencies around any address in Union 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 Union County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Households in Union County spend about $14.4M a year on vehicle insurance, or $1,971 per household, in line with the U.S. average. Spread across 11 insurance agencies, that is $1.3M per agency, 4% above the U.S. figure of $1.3M.

Union County has 11 insurance agencies on map listings as of September 2026. Chain locations make up 45% of them, against 21% across the U.S. That comes to 15.0 for every 10,000 households, 4% below the U.S. rate of 15.6.

In 2023, official counts showed 17 businesses with payroll in Union County classed as insurance agencies and brokerages. That is one for every 430 households, against one for every 966 across the U.S.

Population estimates put the population change in Union County from 2020 to 2025 at +3.3%, in step with the U.S. (+3.1%). For insurance agencies, Union County has a Groundwork market score of 36 (lower middle): #1,604 of 2,272 scored counties and #2 of 17 scored counties in South Dakota.

How Union 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.

Insurance agencies in Union County, SD compared with South Dakota and the U.S.
MeasureUnion CountySouth DakotaU.S.
Listings per 10k households15.019.115.6
Spending per listing$1.3M$957K$1.3M
Households per official establishment430491966
Official establishment growth, 2019–2023n/a+3.0%−1.0%
Population growth, 2020–2025+3.3%+5.3%+3.1%
Spending per household on vehicle insurance$1,971$1,827$1,957
Median household income$89,636$75,081$80,734
Groundwork market score3629

Official counts and lending

Businesses

Official establishments, 2019 to 2023
14 → 17
Employees, 2023
112
Annual payroll, 2023
$7.7M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
115 chain locations
Listings at the U.S. rate for this spending
12The 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 Union 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 Union County

Population, 2025 estimate
17,402+3.3% since 2020
Households
7,310
Median age
40.9
Homes lived in by their owners
73%
Vehicles per household
2.2
Land area
462 sq. mi.
People per square mile
37
Median household income
$89,636+27.4% vs. 2015–2019, before inflation
Average household income
$124,814
Median home value
$301,100
Jobs located here
9,648
Daytime population
19,509Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

Insurance 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 Union County marked.

Top counties in South Dakota

Counties in South Dakota ranked for insurance agencies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Meade County, SD571310.9$1.9M+2.7%#869 of 2,272
2Union County, SD361115.0$1.3M+3.3%#1,604 of 2,272
3Lawrence County, SD352319.1$943K+14.0%#1,663 of 2,272
4Brookings County, SD342820.3$898K+9.6%#1,696 of 2,272
5Lincoln County, SD325419.4$961K+17.5%#1,760 of 2,272
6Minnehaha County, SD3114817.4$953K+7.6%#1,783 of 2,272
7Pennington County, SD298518.3$966K+6.6%#1,845 of 2,272
8Butte County, SD291023.2$883K+5.5%#1,849 of 2,272
9Beadle County, SD261418.6$1M+2.4%#1,924 of 2,272
10Codington County, SD243225.5$726K+4.3%#1,993 of 2,272

Other business types in Union County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many insurance agencies are in Union County, SD?

Map listings as of September 2026 show 11 insurance agencies in Union County. 5 of them (45%) are chain locations. The listings count insurance agencies. Official counts show 17 businesses with payroll classed as insurance agencies and brokerages in 2023.

How much do households in Union County, SD spend on vehicle insurance?

About $14.4M a year, or $1,971 per household. That is in line with the U.S. average (an index of 101, where 100 is the U.S. average). Spread across the 11 insurance agencies on map listings, it comes to $1.3M per agency. It is estimated from the incomes of the 7,310 households in Union County and national spending patterns by income.

How does Union County, SD compare with the U.S. for insurance agencies?

Union County has 15.0 insurance agencies per 10,000 households, 4% below the U.S. rate of 15.6. Spending per agency is $1.3M, 4% above the U.S. figure of $1.3M. At the U.S. ratio of insurance agencies to household spending, Union County would have about 12, against 11 on map listings. There is one business with payroll in the industry for every 430 households, against one for every 966 across the U.S.

How fast is Union County, SD growing?

Population estimates put Union County at 17,402 people in 2025, up 3.3% since 2020, in step with the U.S. (+3.1%). It has 7,310 households. Median household income in Union County is $89,636, 11% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 27.4%, 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. Union County scores 36 for insurance agencies (lower middle), #1,604 of 2,272 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Union 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 Union County

Screening a site or an acquisition in Union 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 Union 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.