Groundwork

Auto · County · Montana

Insurance agencies in Jefferson County, MT

How Jefferson County, MT compares with other counties and the U.S. for insurance agencies: competitors, household spending, official counts and growth.

Groundwork market score

Not scored

The score needs at least 5 listings; this market has 1.

Listings
1
0 chain locations (0%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$13.3M
On vehicle insurance · $2,659 a household
Spending per listing
$13.3M
Too few listings to compare
Listings per 10k households
2.0
Too few listings to compare
Population, 2025
13,329
+9.8% since 2020

See the insurance agencies around any address in Jefferson 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 Jefferson 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

Household spending on vehicle insurance in Jefferson County comes to about $13.3M a year: $2,659 per household, 36% above the U.S. average. That works out to $13.3M per agency.

There is 1 insurance agency on map listings in Jefferson County as of September 2026. That is 2.0 per 10,000 households.

Official counts don’t publish a figure for insurance agencies and brokerages in Jefferson County, since they leave out counts under 3.

Population estimates show Jefferson County grew 9.8% from 2020 to 2025, faster than the U.S. (+3.1%). With 1 insurance agency on map listings, Jefferson County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.

How Jefferson 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.

Insurance agencies in Jefferson County, MT compared with Montana and the U.S.
MeasureJefferson CountyMontanaU.S.
Listings per 10k households2.016.515.6
Spending per listing$13.3M$1.3M$1.3M
Households per official establishmentn/a711966
Official establishment growth, 2019–2023n/a−9.5%−1.0%
Population growth, 2020–2025+9.8%+5.3%+3.1%
Spending per household on vehicle insurance$2,659$2,106$1,957
Median household income$95,490$72,509$80,734
Groundwork market scoreNot scored49

Official counts and lending

Businesses

Official establishments, 2019 to 2023
n/a
Employees, 2023
n/a
Annual payroll, 2023
n/a
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
10 chain locations
Listings at the U.S. rate for this spending
11The 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 Jefferson 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 Jefferson County

Population, 2025 estimate
13,329+9.8% since 2020
Households
4,996
Median age
45.7
Homes lived in by their owners
84%
Vehicles per household
2.6
Land area
1,657 sq. mi.
People per square mile
8
Median household income
$95,490+37.1% vs. 2015–2019, before inflation
Average household income
$123,428
Median home value
$446,900
Jobs located here
2,743
Daytime population
10,190Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Jefferson 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 Jefferson 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 Montana

Every Montana market ranked →

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

Top counties in Montana

Counties in Montana ranked for insurance agencies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Lake County, MT83108.0$2.8M+6.9%#161 of 2,272
2Carbon County, MT74510.7$2.2M+9.1%#358 of 2,272
3Sanders County, MT67814.7$1.5M+12.9%#573 of 2,272
4Ravalli County, MT652010.7$2.1M+9.4%#616 of 2,272
5Park County, MT591214.3$1.5M+5.7%#819 of 2,272
6Lincoln County, MT511415.4$1.3M+13.1%#1,095 of 2,272
7Flathead County, MT486915.6$1.3M+10.1%#1,192 of 2,272
8Fergus County, MT47713.2$1.7M+3.1%#1,212 of 2,272
9Gallatin County, MT448316.2$1.3M+7.7%#1,324 of 2,272
10Silver Bow County, MT432214.3$1.3M+2.6%#1,360 of 2,272
Jefferson County, MTNot scored12.0$13.3M+9.8%

Other business types in Jefferson County

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

Questions

How many insurance agencies are in Jefferson County, MT?

As of September 2026, map listings count 1 insurance agency in Jefferson County. The listings count insurance agencies. No official count is published for insurance agencies and brokerages in Jefferson County: counts under 3 are left out.

How much do households in Jefferson County, MT spend on vehicle insurance?

About $13.3M a year, or $2,659 per household. That is 36% above the U.S. average (an index of 136, where 100 is the U.S. average). Spread across the 1 insurance agency on map listings, it comes to $13.3M per agency. It is estimated from the incomes of the 4,996 households in Jefferson County and national spending patterns by income.

How does Jefferson County, MT compare with the U.S. for insurance agencies?

Jefferson County has 1 insurance agency on map listings, too few for a steady comparison with the U.S. rate. At the U.S. ratio of insurance agencies to household spending, Jefferson County would have about 11, against 1 on map listings.

How fast is Jefferson County, MT growing?

Population estimates put Jefferson County at 13,329 people in 2025, up 9.8% since 2020, faster than the U.S. (+3.1%). It has 4,996 households. Median household income in Jefferson County is $95,490, 18% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 37.1%, 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. Jefferson County has no market score for insurance agencies: the score needs at least 5 on map listings, and it has 1.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Jefferson 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 Jefferson 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.