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Insurance agencies in Jefferson County, MO

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

Groundwork market score · out of 100

Score 40 out of 100: Lower middle

Ranked #1,468 of 2,272 scored counties
#23 of 85 scored counties in Missouri

Listings
142
28 chain locations (20%)
Official establishments
88
+2.3% since 2019
Household spending a year
$162M
On vehicle insurance · $1,835 a household
Spending per listing
$1.1M
9% below the U.S.
Listings per 10k households
16.1
3% above the U.S.
Population, 2025
233,132
+2.7% 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.

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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

As of September 2026, map listings count 142 insurance agencies in Jefferson County. Chain locations make up 20% of them, against 21% across the U.S. That comes to 16.1 for every 10,000 households, 3% above the U.S. rate of 15.6.

Households in Jefferson County spend about $162M a year on vehicle insurance, or $1,835 per household, 6% below the U.S. average. Spread across 142 insurance agencies, that is $1.1M per agency, 9% below the U.S. figure of $1.3M.

In 2023, official counts showed 88 businesses with payroll in Jefferson County classed as insurance agencies and brokerages, up 2.3% from 2019. That is one for every 1,004 households, against one for every 966 across the U.S. Since fiscal 2022, 2 SBA-backed loans worth $367K have gone to businesses classed as insurance agencies and brokerages in Jefferson County.

Population estimates show Jefferson County grew 2.7% from 2020 to 2025, in step with the U.S. (+3.1%). Jefferson County scores 40 (lower middle) on the Groundwork market score for insurance agencies, ranking #1,468 of 2,272 scored counties and #23 of 85 scored counties in Missouri.

How Jefferson County compares

The same measures for Missouri 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, MO compared with Missouri and the U.S.
MeasureJefferson CountyMissouriU.S.
Listings per 10k households16.120.115.6
Spending per listing$1.1M$810K$1.3M
Households per official establishment1,004753966
Official establishment growth, 2019–2023+2.3%−1.3%−1.0%
Population growth, 2020–2025+2.7%+1.9%+3.1%
Spending per household on vehicle insurance$1,835$1,625$1,957
Median household income$82,851$70,702$80,734
Groundwork market score4019

Official counts and lending

Businesses

Official establishments, 2019 to 2023
86 → 88+2.3% over the period
Employees, 2023
273
Annual payroll, 2023
$15.6M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
14228 chain locations
Listings at the U.S. rate for this spending
129The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
2
Amount
$367K

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
233,132+2.7% since 2020
Households
88,309
Median age
40.8
Homes lived in by their owners
82%
Vehicles per household
2.0
Land area
656 sq. mi.
People per square mile
350
Median household income
$82,851+26.6% vs. 2015–2019, before inflation
Average household income
$98,813
Median home value
$237,200
Jobs located here
48,697
Daytime population
165,339Residents 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 Missouri

Every Missouri market ranked →

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

Top counties in Missouri

Counties in Missouri ranked for insurance agencies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Washington County, MO6677.8$2.2M+1.6%#584 of 2,272
2Lincoln County, MO623013.1$1.5M+11.4%#736 of 2,272
3McDonald County, MO601011.7$1.5M+3.1%#786 of 2,272
4Andrew County, MO59710.0$1.9M+0.7%#802 of 2,272
5Dallas County, MO57811.8$1.6M+5.2%#881 of 2,272
6Crawford County, MO561010.4$1.7M−0.4%#909 of 2,272
7Newton County, MO552712.2$1.5M+6.1%#961 of 2,272
8Pulaski County, MO531911.3$1.5M+0.8%#1,019 of 2,272
9Ray County, MO531415.4$1.2M+1.1%#1,029 of 2,272
10Ste. Genevieve County, MO521014.0$1.5M+1.1%#1,044 of 2,272
23Jefferson County, MO4014216.1$1.1M+2.7%#1,468 of 2,272

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, MO?

Jefferson County has 142 insurance agencies on map listings as of September 2026. 28 of them (20%) are chain locations. The listings count insurance agencies. Official counts show 88 businesses with payroll classed as insurance agencies and brokerages in 2023, up 2.3% from 2019.

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

About $162M a year, or $1,835 per household. That is 6% below the U.S. average (an index of 94, where 100 is the U.S. average). Spread across the 142 insurance agencies on map listings, it comes to $1.1M per agency. It is estimated from the incomes of the 88,309 households in Jefferson County and national spending patterns by income.

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

Jefferson County has 16.1 insurance agencies per 10,000 households, 3% above 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, Jefferson County would have about 129, against 142 on map listings. There is one business with payroll in the industry for every 1,004 households, against one for every 966 across the U.S. The official count rose 2.3% from 2019 to 2023, against −1.0% for the U.S.

How fast is Jefferson County, MO growing?

Population estimates put Jefferson County at 233,132 people in 2025, up 2.7% since 2020, in step with the U.S. (+3.1%). It has 88,309 households. The median household income in Jefferson County is $82,851 a year, 3% above the U.S. median of $80,734. That rose 26.6% 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. Jefferson County scores 40 for insurance agencies (lower middle), #1,468 of 2,272 scored counties.

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.