Auto · County · California
Insurance agencies in Contra Costa County, CA
How Contra Costa County, CA 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 38 out of 100: Lower middle
Ranked #1,543 of 2,272 scored counties
#39 of 53 scored counties in California
- Listings
- 730
- 150 chain locations (21%)
- Official establishments
- 403
- −8.8% since 2019
- Household spending a year
- $834.8M
- On vehicle insurance · $2,014 a household
- Spending per listing
- $1.1M
- 9% below the U.S.
- Listings per 10k households
- 17.6
- 13% above the U.S.
- Population, 2025
- 1,170,070
- +0.3% since 2020
See the insurance agencies around any address in Contra Costa 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 Contra Costa 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
At $2,014 per household (3% above the U.S. average), households in Contra Costa County spend about $834.8M a year on vehicle insurance. That is about $1.1M of household spending for each agency on map listings, 9% below the U.S. figure of $1.3M.
Contra Costa County has 730 insurance agencies on map listings as of September 2026. 150 of them (21%) are chain locations, against 21% across the U.S. Per 10,000 households, that is 17.6, 13% above the U.S. rate of 15.6.
The official count of businesses with payroll classed as insurance agencies and brokerages in Contra Costa County was 403 in 2023, down 8.8% from 2019. That is one for every 1,028 households, against one for every 966 across the U.S. Since fiscal 2022, 10 SBA-backed loans worth $5.1M have gone to businesses classed as insurance agencies and brokerages in Contra Costa County.
Population estimates put the population change in Contra Costa County from 2020 to 2025 at +0.3%, slower than the U.S. (+3.1%). Contra Costa County scores 38 (lower middle) on the Groundwork market score for insurance agencies, ranking #1,543 of 2,272 scored counties and #39 of 53 scored counties in California.
How Contra Costa County compares
The same measures for California 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 | Contra Costa County | California | U.S. |
|---|---|---|---|
| Listings per 10k households | 17.6 | 17.2 | 15.6 |
| Spending per listing | $1.1M | $1.1M | $1.3M |
| Households per official establishment | 1,028 | 973 | 966 |
| Official establishment growth, 2019–2023 | −8.8% | −4.0% | −1.0% |
| Population growth, 2020–2025 | +0.3% | −0.4% | +3.1% |
| Spending per household on vehicle insurance | $2,014 | $1,926 | $1,957 |
| Median household income | $127,229 | $99,122 | $80,734 |
| Groundwork market score | 38 | 34 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 442 → 403−8.8% over the period
- Employees, 2023
- 2,739
- Annual payroll, 2023
- $344.3M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 730150 chain locations
- Listings at the U.S. rate for this spending
- 665The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 10
- Amount
- $5.1M
SBA-backed loans to businesses classed as insurance agencies and brokerages in Contra Costa 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 Contra Costa County
- Population, 2025 estimate
- 1,170,070+0.3% since 2020
- Households
- 414,417
- Median age
- 41.2
- Homes lived in by their owners
- 68%
- Vehicles per household
- 2.0
- Land area
- 717 sq. mi.
- People per square mile
- 1,625
- Median household income
- $127,229+27.6% vs. 2015–2019, before inflation
- Average household income
- $174,872
- Median home value
- $866,800
- Jobs located here
- 382,994
- Daytime population
- 1,022,844Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Contra Costa 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 Contra Costa 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 California
Every California market ranked →The highest-scoring counties in California for insurance agencies, numbered among those based in California, with Contra Costa County marked.
Top counties in California
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Yuba County, CA | 87 | 10 | 3.5 | $5.9M | +8.2% | #92 of 2,272 |
| 2Calaveras County, CA | 81 | 13 | 7.1 | $3.3M | +2.8% | #194 of 2,272 |
| 3San Benito County, CA | 73 | 25 | 12.2 | $2M | +8.6% | #393 of 2,272 |
| 4Lake County, CA | 72 | 17 | 6.3 | $3.3M | −0.6% | #407 of 2,272 |
| 5Merced County, CA | 71 | 87 | 10.1 | $2M | +5.1% | #439 of 2,272 |
| 6Yolo County, CA | 69 | 73 | 9.5 | $2M | +3.1% | #502 of 2,272 |
| 7Amador County, CA | 66 | 18 | 11.2 | $1.9M | +3.2% | #590 of 2,272 |
| 8Inyo County, CA | 65 | 5 | 6.2 | $3.1M | −4.4% | #605 of 2,272 |
| 9Colusa County, CA | 65 | 6 | 8.0 | $2.7M | −0.1% | #609 of 2,272 |
| 10Tehama County, CA | 64 | 20 | 8.1 | $2.5M | −1.7% | #643 of 2,272 |
| 39Contra Costa County, CA | 38 | 730 | 17.6 | $1.1M | +0.3% | #1,543 of 2,272 |
Other business types in Contra Costa 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 Contra Costa County, CA?
Map listings as of September 2026 show 730 insurance agencies in Contra Costa County. 150 of them (21%) are chain locations. The listings count insurance agencies. Official counts show 403 businesses with payroll classed as insurance agencies and brokerages in 2023, down 8.8% from 2019.
How much do households in Contra Costa County, CA spend on vehicle insurance?
About $834.8M a year, or $2,014 per household. That is 3% above the U.S. average (an index of 103, where 100 is the U.S. average). Spread across the 730 insurance agencies on map listings, it comes to $1.1M per agency. It is estimated from the incomes of the 414,417 households in Contra Costa County and national spending patterns by income.
How does Contra Costa County, CA compare with the U.S. for insurance agencies?
Contra Costa County has 17.6 insurance agencies per 10,000 households, 13% 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 U.S. ratio of insurance agencies to household spending, Contra Costa County would have about 665, against 730 on map listings. There is one business with payroll in the industry for every 1,028 households, against one for every 966 across the U.S. The official count fell 8.8% from 2019 to 2023, against −1.0% for the U.S.
How fast is Contra Costa County, CA growing?
Population estimates put Contra Costa County at 1,170,070 people in 2025, up 0.3% since 2020, slower than the U.S. (+3.1%). It has 414,417 households. Median household income in Contra Costa County is $127,229, 58% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 27.6%, 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. Contra Costa County scores 38 for insurance agencies (lower middle), #1,543 of 2,272 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Contra Costa 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 Contra Costa County
Screening a site or an acquisition in Contra Costa 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 Contra Costa 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.