Auto · County · Washington
Insurance agencies in King County, WA
The insurance agencies in King County, WA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 42 out of 100: Lower middle
Ranked #1,402 of 2,272 scored counties
#30 of 32 scored counties in Washington
- Listings
- 1,193
- 209 chain locations (18%)
- Official establishments
- 824
- −5.8% since 2019
- Household spending a year
- $1.5B
- On vehicle insurance · $1,615 a household
- Spending per listing
- $1.3M
- In line with the U.S.
- Listings per 10k households
- 12.7
- 19% below the U.S.
- Population, 2025
- 2,344,939
- +3.1% since 2020
See the insurance agencies around any address in King 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 King 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 King County comes to about $1.5B a year: $1,615 per household, 17% below the U.S. average. Spread across 1,193 insurance agencies, that is $1.3M per agency, in line with the U.S. figure of $1.3M.
King County has 1,193 insurance agencies on map listings as of September 2026. 209 of them (18%) are chain locations, against 21% across the U.S. Per 10,000 households, that is 12.7, 19% below the U.S. rate of 15.6.
Official counts show 824 businesses with payroll classed as insurance agencies and brokerages in King County in 2023, down 5.8% from 2019. That is one for every 1,142 households, against one for every 966 across the U.S. Since fiscal 2022, 20 SBA-backed loans worth $11.9M have gone to businesses classed as insurance agencies and brokerages in King County.
Population estimates show King County grew 3.1% from 2020 to 2025, in step with the U.S. (+3.1%). King County scores 42 (lower middle) on the Groundwork market score for insurance agencies, ranking #1,402 of 2,272 scored counties and #30 of 32 scored counties in Washington.
How King County compares
The same measures for Washington 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 | King County | Washington | U.S. |
|---|---|---|---|
| Listings per 10k households | 12.7 | 12.6 | 15.6 |
| Spending per listing | $1.3M | $1.5M | $1.3M |
| Households per official establishment | 1,142 | 1,180 | 966 |
| Official establishment growth, 2019–2023 | −5.8% | −4.3% | −1.0% |
| Population growth, 2020–2025 | +3.1% | +3.6% | +3.1% |
| Spending per household on vehicle insurance | $1,615 | $1,917 | $1,957 |
| Median household income | $124,746 | $98,141 | $80,734 |
| Groundwork market score | 42 | 66 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 875 → 824−5.8% over the period
- Employees, 2023
- 8,398
- Annual payroll, 2023
- $905.3M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 1,193209 chain locations
- Listings at the U.S. rate for this spending
- 1,210The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 20
- Amount
- $11.9M
SBA-backed loans to businesses classed as insurance agencies and brokerages in King 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 King County
- Population, 2025 estimate
- 2,344,939+3.1% since 2020
- Households
- 941,054
- Median age
- 38.8
- Homes lived in by their owners
- 55%
- Vehicles per household
- 1.6
- Land area
- 2,116 sq. mi.
- People per square mile
- 1,081
- Median household income
- $124,746+31.4% vs. 2015–2019, before inflation
- Average household income
- $176,807
- Median home value
- $859,900
- Jobs located here
- 1,503,962
- Daytime population
- 2,645,877Residents who don’t work, plus everyone whose job is here
Looking at a specific site in King 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 King 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 Washington
Every Washington market ranked →The highest-scoring counties in Washington for insurance agencies, numbered among those based in Washington, with King County marked.
Top counties in Washington
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Mason County, WA | 87 | 18 | 6.9 | $3.3M | +7.8% | #101 of 2,272 |
| 2Stevens County, WA | 87 | 14 | 7.2 | $3.3M | +6.6% | #102 of 2,272 |
| 3Klickitat County, WA | 83 | 6 | 6.1 | $3.7M | +6.6% | #154 of 2,272 |
| 4Franklin County, WA | 81 | 30 | 10.0 | $2.3M | +5.6% | #209 of 2,272 |
| 5Pacific County, WA | 80 | 5 | 4.6 | $4.4M | +3.6% | #216 of 2,272 |
| 6Kittitas County, WA | 80 | 13 | 6.5 | $3.3M | +4.2% | #219 of 2,272 |
| 7Jefferson County, WA | 79 | 8 | 4.9 | $4M | +2.7% | #233 of 2,272 |
| 8Okanogan County, WA | 79 | 12 | 6.8 | $3.2M | +7.3% | #235 of 2,272 |
| 9San Juan County, WA | 79 | 7 | 7.8 | $2.6M | +4.2% | #240 of 2,272 |
| 10Grays Harbor County, WA | 77 | 17 | 5.6 | $3.7M | +3.0% | #285 of 2,272 |
| 30King County, WA | 42 | 1,193 | 12.7 | $1.3M | +3.1% | #1,402 of 2,272 |
Other business types in King 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 King County, WA?
Map listings as of September 2026 show 1,193 insurance agencies in King County. 209 of them (18%) are chain locations. The listings count insurance agencies. Official counts show 824 businesses with payroll classed as insurance agencies and brokerages in 2023, down 5.8% from 2019.
How much do households in King County, WA spend on vehicle insurance?
About $1.5B a year, or $1,615 per household. That is 17% below the U.S. average (an index of 83, where 100 is the U.S. average). Spread across the 1,193 insurance agencies on map listings, it comes to $1.3M per agency. It is estimated from the incomes of the 941,054 households in King County and national spending patterns by income.
How does King County, WA compare with the U.S. for insurance agencies?
King County has 12.7 insurance agencies per 10,000 households, 19% below the U.S. rate of 15.6. Spending per agency is $1.3M, in line with the U.S. figure of $1.3M. At the U.S. ratio of insurance agencies to household spending, King County would have about 1,210, against 1,193 on map listings. There is one business with payroll in the industry for every 1,142 households, against one for every 966 across the U.S. The official count fell 5.8% from 2019 to 2023, against −1.0% for the U.S.
How fast is King County, WA growing?
Population estimates put King County at 2,344,939 people in 2025, up 3.1% since 2020, in step with the U.S. (+3.1%). It has 941,054 households. Median household income in King County is $124,746, 55% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 31.4%, 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. King County scores 42 for insurance agencies (lower middle), #1,402 of 2,272 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in King 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 King County
Screening a site or an acquisition in King 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 King 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.