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Insurance agencies in Winnebago County, IL

The insurance agencies in Winnebago County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 17 out of 100: Low

Ranked #2,148 of 2,272 scored counties
#48 of 87 scored counties in Illinois

Listings
249
50 chain locations (20%)
Official establishments
125
−6.0% since 2019
Household spending a year
$172.9M
On vehicle insurance · $1,490 a household
Spending per listing
$694K
45% below the U.S.
Listings per 10k households
21.5
38% above the U.S.
Population, 2025
283,674
−0.4% since 2020

See the insurance agencies around any address in Winnebago 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 Winnebago 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

The Groundwork market score for insurance agencies in Winnebago County is 17 (low), #2,148 of 2,272 scored counties and #48 of 87 scored counties in Illinois. That puts it in the bottom quarter of counties.

As of September 2026, map listings count 249 insurance agencies in Winnebago County. Of those, 50 are chain locations, or 20%, against 21% across the U.S. That is 21.5 per 10,000 households, 38% above the U.S. rate of 15.6.

Households in Winnebago County spend about $172.9M a year on vehicle insurance, or $1,490 per household, 24% below the U.S. average. That is about $694K of household spending for each agency on map listings, 45% below the U.S. figure of $1.3M.

In 2023, official counts showed 125 businesses with payroll in Winnebago County classed as insurance agencies and brokerages, down 6.0% from 2019. That is one for every 928 households, against one for every 966 across the U.S. Between 2020 and 2025, the population of Winnebago County declined 0.4%, against +3.1% for the U.S.

How Winnebago County compares

The same measures for Illinois 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 Winnebago County, IL compared with Illinois and the U.S.
MeasureWinnebago CountyIllinoisU.S.
Listings per 10k households21.518.215.6
Spending per listing$694K$795K$1.3M
Households per official establishment928887966
Official establishment growth, 2019–2023−6.0%−7.0%−1.0%
Population growth, 2020–2025−0.4%−0.6%+3.1%
Spending per household on vehicle insurance$1,490$1,450$1,957
Median household income$65,837$83,390$80,734
Groundwork market score1711

Official counts and lending

Businesses

Official establishments, 2019 to 2023
133 → 125−6.0% over the period
Employees, 2023
507
Annual payroll, 2023
$29.6M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
24950 chain locations
Listings at the U.S. rate for this spending
138The 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 Winnebago 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 Winnebago County

Population, 2025 estimate
283,674−0.4% since 2020
Households
116,014
Median age
40.4
Homes lived in by their owners
66%
Vehicles per household
1.7
Land area
513 sq. mi.
People per square mile
552
Median household income
$65,837+20.8% vs. 2015–2019, before inflation
Average household income
$86,474
Median home value
$164,500
Jobs located here
121,867
Daytime population
276,449Residents who don’t work, plus everyone whose job is here

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

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Insurance agencies across Illinois

Every Illinois market ranked →

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

Top counties in Illinois

Counties in Illinois ranked for insurance agencies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kendall County, IL595612.3$1.5M+9.9%#816 of 2,272
2Boone County, IL482110.8$1.7M+0.4%#1,169 of 2,272
3Will County, IL4037215.2$1.2M+2.2%#1,464 of 2,272
4DeKalb County, IL394711.9$1.3M+1.5%#1,499 of 2,272
5Piatt County, IL361014.4$1.3M+0.6%#1,598 of 2,272
6Mercer County, IL35710.7$1.8M−2.6%#1,630 of 2,272
7Grundy County, IL353517.0$1.1M+2.9%#1,654 of 2,272
8McHenry County, IL3520917.8$1M+2.5%#1,660 of 2,272
9Menard County, IL3459.6$1.8M−3.3%#1,667 of 2,272
10Jo Daviess County, IL331110.6$1.6M−2.2%#1,698 of 2,272
48Winnebago County, IL1724921.5$694K−0.4%#2,148 of 2,272

Other business types in Winnebago County

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

Questions

How many insurance agencies are in Winnebago County, IL?

Winnebago County has 249 insurance agencies on map listings as of September 2026. 50 of them (20%) are chain locations. The listings count insurance agencies. Official counts show 125 businesses with payroll classed as insurance agencies and brokerages in 2023, down 6.0% from 2019.

How much do households in Winnebago County, IL spend on vehicle insurance?

About $172.9M a year, or $1,490 per household. That is 24% below the U.S. average (an index of 76, where 100 is the U.S. average). Spread across the 249 insurance agencies on map listings, it comes to $694K per agency. It is estimated from the incomes of the 116,014 households in Winnebago County and national spending patterns by income.

How does Winnebago County, IL compare with the U.S. for insurance agencies?

Winnebago County has 21.5 insurance agencies per 10,000 households, 38% above the U.S. rate of 15.6. Spending per agency is $694K, 45% below the U.S. figure of $1.3M. At the national ratio of insurance agencies to household spending, Winnebago County would have about 138, against 249 on map listings. There is one business with payroll in the industry for every 928 households, against one for every 966 across the U.S. The official count fell 6.0% from 2019 to 2023, against −1.0% for the U.S.

How fast is Winnebago County, IL growing?

Population estimates put Winnebago County at 283,674 people in 2025, down 0.4% since 2020, against +3.1% for the U.S. It has 116,014 households. The median household income in Winnebago County is $65,837 a year, 18% below the U.S. median of $80,734. That rose 20.8% 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. Winnebago County scores 17 for insurance agencies (low), #2,148 of 2,272 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Winnebago 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 Winnebago 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.