Auto · County · Illinois
Insurance agencies in Stephenson County, IL
How Stephenson County, IL compares with other counties and the U.S. for insurance agencies: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 7 out of 100: Very low
Ranked #2,265 of 2,272 scored counties
#83 of 87 scored counties in Illinois
- Listings
- 43
- 6 chain locations (14%)
- Official establishments
- 29
- −6.4% since 2019
- Household spending a year
- $29.2M
- On vehicle insurance · $1,510 a household
- Spending per listing
- $680K
- 46% below the U.S.
- Listings per 10k households
- 22.2
- 42% above the U.S.
- Population, 2025
- 43,220
- −3.0% since 2020
See the insurance agencies around any address in Stephenson 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 Stephenson 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
Stephenson County scores 7 (very low) on the Groundwork market score for insurance agencies, ranking #2,265 of 2,272 scored counties and #83 of 87 scored counties in Illinois. That puts it in the bottom quarter of counties.
As of September 2026, map listings count 43 insurance agencies in Stephenson County. Of those, 6 are chain locations, or 14%, against 21% across the U.S. That is 22.2 per 10,000 households, 42% above the U.S. rate of 15.6.
At $1,510 per household (23% below the U.S. average), households in Stephenson County spend about $29.2M a year on vehicle insurance. That is about $680K of household spending for each agency on map listings, 46% below the U.S. figure of $1.3M.
In 2023, official counts showed 29 businesses with payroll in Stephenson County classed as insurance agencies and brokerages, down 6.4% from 2019. That is one for every 668 households, against one for every 966 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $1.1M has gone to businesses classed as insurance agencies and brokerages in Stephenson County. Population estimates put the population change in Stephenson County from 2020 to 2025 at −3.0%, against +3.1% for the U.S.
How Stephenson 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.
| Measure | Stephenson County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 22.2 | 18.2 | 15.6 |
| Spending per listing | $680K | $795K | $1.3M |
| Households per official establishment | 668 | 887 | 966 |
| Official establishment growth, 2019–2023 | −6.4% | −7.0% | −1.0% |
| Population growth, 2020–2025 | −3.0% | −0.6% | +3.1% |
| Spending per household on vehicle insurance | $1,510 | $1,450 | $1,957 |
| Median household income | $64,043 | $83,390 | $80,734 |
| Groundwork market score | 7 | 11 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 31 → 29−6.4% over the period
- Employees, 2023
- 83
- Annual payroll, 2023
- $4.2M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 436 chain locations
- Listings at the U.S. rate for this spending
- 23The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $1.1M
SBA-backed loans to businesses classed as insurance agencies and brokerages in Stephenson 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 Stephenson County
- Population, 2025 estimate
- 43,220−3.0% since 2020
- Households
- 19,358
- Median age
- 45.6
- Homes lived in by their owners
- 71%
- Vehicles per household
- 1.7
- Land area
- 564 sq. mi.
- People per square mile
- 78
- Median household income
- $64,043+31.2% vs. 2015–2019, before inflation
- Average household income
- $79,920
- Median home value
- $134,900
- Jobs located here
- 17,326
- Daytime population
- 40,359Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Stephenson 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 Stephenson 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 Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for insurance agencies, numbered among those based in Illinois, with Stephenson County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Kendall County, IL | 59 | 56 | 12.3 | $1.5M | +9.9% | #816 of 2,272 |
| 2Boone County, IL | 48 | 21 | 10.8 | $1.7M | +0.4% | #1,169 of 2,272 |
| 3Will County, IL | 40 | 372 | 15.2 | $1.2M | +2.2% | #1,464 of 2,272 |
| 4DeKalb County, IL | 39 | 47 | 11.9 | $1.3M | +1.5% | #1,499 of 2,272 |
| 5Piatt County, IL | 36 | 10 | 14.4 | $1.3M | +0.6% | #1,598 of 2,272 |
| 6Mercer County, IL | 35 | 7 | 10.7 | $1.8M | −2.6% | #1,630 of 2,272 |
| 7Grundy County, IL | 35 | 35 | 17.0 | $1.1M | +2.9% | #1,654 of 2,272 |
| 8McHenry County, IL | 35 | 209 | 17.8 | $1M | +2.5% | #1,660 of 2,272 |
| 9Menard County, IL | 34 | 5 | 9.6 | $1.8M | −3.3% | #1,667 of 2,272 |
| 10Jo Daviess County, IL | 33 | 11 | 10.6 | $1.6M | −2.2% | #1,698 of 2,272 |
| 83Stephenson County, IL | 7 | 43 | 22.2 | $680K | −3.0% | #2,265 of 2,272 |
Other business types in Stephenson 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 Stephenson County, IL?
Stephenson County has 43 insurance agencies on map listings as of September 2026. 6 of them (14%) are chain locations. The listings count insurance agencies. Official counts show 29 businesses with payroll classed as insurance agencies and brokerages in 2023, down 6.4% from 2019.
How much do households in Stephenson County, IL spend on vehicle insurance?
About $29.2M a year, or $1,510 per household. That is 23% below the U.S. average (an index of 77, where 100 is the U.S. average). Spread across the 43 insurance agencies on map listings, it comes to $680K per agency. It is estimated from the incomes of the 19,358 households in Stephenson County and national spending patterns by income.
How does Stephenson County, IL compare with the U.S. for insurance agencies?
Stephenson County has 22.2 insurance agencies per 10,000 households, 42% above the U.S. rate of 15.6. Spending per agency is $680K, 46% below the U.S. figure of $1.3M. At the national ratio of insurance agencies to household spending, Stephenson County would have about 23, against 43 on map listings. There is one business with payroll in the industry for every 668 households, against one for every 966 across the U.S. The official count fell 6.4% from 2019 to 2023, against −1.0% for the U.S.
How fast is Stephenson County, IL growing?
Population estimates put Stephenson County at 43,220 people in 2025, down 3.0% since 2020, against +3.1% for the U.S. It has 19,358 households. The median household income in Stephenson County is $64,043 a year, 21% below the U.S. median of $80,734. That rose 31.2% 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. Stephenson County scores 7 for insurance agencies (very low), #2,265 of 2,272 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Stephenson 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 Stephenson County
Screening a site or an acquisition in Stephenson 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 Stephenson 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.