Auto · County · Montana
Insurance agencies in Lewis and Clark County, MT
How Lewis and Clark County, MT 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 41 out of 100: Lower middle
Ranked #1,436 of 2,272 scored counties
#11 of 19 scored counties in Montana
- Listings
- 66
- 17 chain locations (26%)
- Official establishments
- 32
- 0.0% since 2019
- Household spending a year
- $63.2M
- On vehicle insurance · $2,023 a household
- Spending per listing
- $957K
- 24% below the U.S.
- Listings per 10k households
- 21.1
- 35% above the U.S.
- Population, 2025
- 75,331
- +5.8% since 2020
See the insurance agencies around any address in Lewis and Clark 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 Lewis and Clark 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
Household spending on vehicle insurance in Lewis and Clark County comes to about $63.2M a year: $2,023 per household, 3% above the U.S. average. That is about $957K of household spending for each agency on map listings, 24% below the U.S. figure of $1.3M.
Lewis and Clark County has 66 insurance agencies on map listings as of September 2026. 17 of them (26%) are chain locations, against 21% across the U.S. That is 21.1 per 10,000 households, 35% above the U.S. rate of 15.6.
The official count of businesses with payroll classed as insurance agencies and brokerages in Lewis and Clark County was 32 in 2023, unchanged from 2019. That is one for every 975 households, against one for every 966 across the U.S.
Population estimates put the population change in Lewis and Clark County from 2020 to 2025 at +5.8%, faster than the U.S. (+3.1%). For insurance agencies, Lewis and Clark County has a Groundwork market score of 41 (lower middle): #1,436 of 2,272 scored counties and #11 of 19 scored counties in Montana.
How Lewis and Clark County compares
The same measures for Montana 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 | Lewis and Clark County | Montana | U.S. |
|---|---|---|---|
| Listings per 10k households | 21.1 | 16.5 | 15.6 |
| Spending per listing | $957K | $1.3M | $1.3M |
| Households per official establishment | 975 | 711 | 966 |
| Official establishment growth, 2019–2023 | 0.0% | −9.5% | −1.0% |
| Population growth, 2020–2025 | +5.8% | +5.3% | +3.1% |
| Spending per household on vehicle insurance | $2,023 | $2,106 | $1,957 |
| Median household income | $78,237 | $72,509 | $80,734 |
| Groundwork market score | 41 | 49 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 32 → 320.0% over the period
- Employees, 2023
- 110
- Annual payroll, 2023
- $6.6M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 6617 chain locations
- Listings at the U.S. rate for this spending
- 50The 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 Lewis and Clark 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 Lewis and Clark County
- Population, 2025 estimate
- 75,331+5.8% since 2020
- Households
- 31,215
- Median age
- 42.1
- Homes lived in by their owners
- 70%
- Vehicles per household
- 2.0
- Land area
- 3,458 sq. mi.
- People per square mile
- 21
- Median household income
- $78,237+18.9% vs. 2015–2019, before inflation
- Average household income
- $104,055
- Median home value
- $393,500
- Jobs located here
- 41,168
- Daytime population
- 78,294Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Lewis and Clark 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 Lewis and Clark 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 Montana
Every Montana market ranked →The highest-scoring counties in Montana for insurance agencies, numbered among those based in Montana, with Lewis and Clark County marked.
Top counties in Montana
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Lake County, MT | 83 | 10 | 8.0 | $2.8M | +6.9% | #161 of 2,272 |
| 2Carbon County, MT | 74 | 5 | 10.7 | $2.2M | +9.1% | #358 of 2,272 |
| 3Sanders County, MT | 67 | 8 | 14.7 | $1.5M | +12.9% | #573 of 2,272 |
| 4Ravalli County, MT | 65 | 20 | 10.7 | $2.1M | +9.4% | #616 of 2,272 |
| 5Park County, MT | 59 | 12 | 14.3 | $1.5M | +5.7% | #819 of 2,272 |
| 6Lincoln County, MT | 51 | 14 | 15.4 | $1.3M | +13.1% | #1,095 of 2,272 |
| 7Flathead County, MT | 48 | 69 | 15.6 | $1.3M | +10.1% | #1,192 of 2,272 |
| 8Fergus County, MT | 47 | 7 | 13.2 | $1.7M | +3.1% | #1,212 of 2,272 |
| 9Gallatin County, MT | 44 | 83 | 16.2 | $1.3M | +7.7% | #1,324 of 2,272 |
| 10Silver Bow County, MT | 43 | 22 | 14.3 | $1.3M | +2.6% | #1,360 of 2,272 |
| 11Lewis and Clark County, MT | 41 | 66 | 21.1 | $957K | +5.8% | #1,436 of 2,272 |
Other business types in Lewis and Clark 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 Lewis and Clark County, MT?
Map listings as of September 2026 show 66 insurance agencies in Lewis and Clark County. 17 of them (26%) are chain locations. The listings count insurance agencies. Official counts show 32 businesses with payroll classed as insurance agencies and brokerages in 2023, unchanged from 2019.
How much do households in Lewis and Clark County, MT spend on vehicle insurance?
About $63.2M a year, or $2,023 per household. That is 3% above the U.S. average (an index of 103, where 100 is the U.S. average). Spread across the 66 insurance agencies on map listings, it comes to $957K per agency. It is estimated from the incomes of the 31,215 households in Lewis and Clark County and national spending patterns by income.
How does Lewis and Clark County, MT compare with the U.S. for insurance agencies?
Lewis and Clark County has 21.1 insurance agencies per 10,000 households, 35% above the U.S. rate of 15.6. Spending per agency is $957K, 24% below the U.S. figure of $1.3M. At the U.S. ratio of insurance agencies to household spending, Lewis and Clark County would have about 50, against 66 on map listings. There is one business with payroll in the industry for every 975 households, against one for every 966 across the U.S. The official count held level from 2019 to 2023, against −1.0% for the U.S.
How fast is Lewis and Clark County, MT growing?
Population estimates put Lewis and Clark County at 75,331 people in 2025, up 5.8% since 2020, faster than the U.S. (+3.1%). It has 31,215 households. Median household income in Lewis and Clark County is $78,237, 3% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 18.9%, 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. Lewis and Clark County scores 41 for insurance agencies (lower middle), #1,436 of 2,272 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Lewis and Clark 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 Lewis and Clark County
Screening a site or an acquisition in Lewis and Clark 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 Lewis and Clark 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.