Groundwork

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Insurance agencies in Sauk County, WI

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

Groundwork market score · out of 100

Score 36 out of 100: Lower middle

Ranked #1,613 of 2,272 scored counties
#35 of 65 scored counties in Wisconsin

Listings
43
12 chain locations (28%)
Official establishments
27
−3.6% since 2019
Household spending a year
$48.9M
On vehicle insurance · $1,746 a household
Spending per listing
$1.1M
9% below the U.S.
Listings per 10k households
15.4
In line with the U.S.
Population, 2025
66,652
+1.3% since 2020

See the insurance agencies around any address in Sauk 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 Sauk 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

Map listings as of September 2026 show 43 insurance agencies in Sauk County. 12 of them (28%) are chain locations, against 21% across the U.S. Per 10,000 households, that is 15.4, in line with the U.S. rate of 15.6.

Household spending on vehicle insurance in Sauk County comes to about $48.9M a year: $1,746 per household, 11% below the U.S. average. That is about $1.1M of household spending for each agency on map listings, 9% below the U.S. figure of $1.3M.

In 2023, official counts showed 27 businesses with payroll in Sauk County classed as insurance agencies and brokerages, down 3.6% from 2019. That is one for every 1,037 households, against one for every 966 across the U.S.

Population estimates show Sauk County grew 1.3% from 2020 to 2025, slower than the U.S. (+3.1%). For insurance agencies, Sauk County has a Groundwork market score of 36 (lower middle): #1,613 of 2,272 scored counties and #35 of 65 scored counties in Wisconsin.

How Sauk County compares

The same measures for Wisconsin 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 Sauk County, WI compared with Wisconsin and the U.S.
MeasureSauk CountyWisconsinU.S.
Listings per 10k households15.413.715.6
Spending per listing$1.1M$1.2M$1.3M
Households per official establishment1,037958966
Official establishment growth, 2019–2023−3.6%−3.5%−1.0%
Population growth, 2020–2025+1.3%+1.3%+3.1%
Spending per household on vehicle insurance$1,746$1,617$1,957
Median household income$79,541$77,485$80,734
Groundwork market score3633

Official counts and lending

Businesses

Official establishments, 2019 to 2023
28 → 27−3.6% over the period
Employees, 2023
111
Annual payroll, 2023
$7.9M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
4312 chain locations
Listings at the U.S. rate for this spending
39The 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 Sauk 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 Sauk County

Population, 2025 estimate
66,652+1.3% since 2020
Households
27,987
Median age
42.3
Homes lived in by their owners
72%
Vehicles per household
2.0
Land area
832 sq. mi.
People per square mile
79
Median household income
$79,541+32.7% vs. 2015–2019, before inflation
Average household income
$98,005
Median home value
$258,600
Jobs located here
36,015
Daytime population
65,185Residents who don’t work, plus everyone whose job is here

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

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Insurance agencies across Wisconsin

Every Wisconsin market ranked →

The highest-scoring counties in Wisconsin for insurance agencies, numbered among those based in Wisconsin, with Sauk County marked.

Top counties in Wisconsin

Counties in Wisconsin ranked for insurance agencies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Waushara County, WI651110.4$1.8M+2.8%#626 of 2,272
2Clark County, WI64107.8$2.3M+1.2%#644 of 2,272
3Adams County, WI6399.5$1.9M+5.2%#693 of 2,272
4Oconto County, WI622112.5$1.6M+2.9%#732 of 2,272
5Vilas County, WI5954.5$3.7M+2.9%#791 of 2,272
6Polk County, WI59199.7$2M+1.7%#799 of 2,272
7Kenosha County, WI57568.1$2M−0.4%#865 of 2,272
8Trempealeau County, WI56118.8$2.1M+1.1%#895 of 2,272
9Dodge County, WI54318.6$2M−0.3%#975 of 2,272
10Pierce County, WI512012.6$1.6M+3.1%#1,075 of 2,272
35Sauk County, WI364315.4$1.1M+1.3%#1,613 of 2,272

Other business types in Sauk County

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

Questions

How many insurance agencies are in Sauk County, WI?

There are 43 insurance agencies on map listings in Sauk County as of September 2026. 12 of them (28%) are chain locations. The listings count insurance agencies. Official counts show 27 businesses with payroll classed as insurance agencies and brokerages in 2023, down 3.6% from 2019.

How much do households in Sauk County, WI spend on vehicle insurance?

About $48.9M a year, or $1,746 per household. That is 11% below the U.S. average (an index of 89, where 100 is the U.S. average). Spread across the 43 insurance agencies on map listings, it comes to $1.1M per agency. It is estimated from the incomes of the 27,987 households in Sauk County and national spending patterns by income.

How does Sauk County, WI compare with the U.S. for insurance agencies?

Sauk County has 15.4 insurance agencies per 10,000 households, in line with the U.S. rate of 15.6. Spending per agency is $1.1M, 9% below the U.S. figure of $1.3M. At the national ratio of insurance agencies to household spending, Sauk County would have about 39, against 43 on map listings. There is one business with payroll in the industry for every 1,037 households, against one for every 966 across the U.S. The official count fell 3.6% from 2019 to 2023, against −1.0% for the U.S.

How fast is Sauk County, WI growing?

Population estimates put Sauk County at 66,652 people in 2025, up 1.3% since 2020, slower than the U.S. (+3.1%). It has 27,987 households. The median household income in Sauk County is $79,541 a year, in line with the U.S. median of $80,734. That rose 32.7% from the 2015–2019 survey, 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. Sauk County scores 36 for insurance agencies (lower middle), #1,613 of 2,272 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Sauk 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 Sauk 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.