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County market brief

King County, WA

2.3 million people, up 3.3% since 2020, 941,054 households.

Homeowners: 55.4%US 65.2% · below US
Median home value: $860kUS $333k · above US
Median home age: 43 yrsUS 46 yrs · below US
Built before 1980: 45.5%US 49.7% · below US
New homes, 2025: 8,505US 10.0 per 1k · -19.8% vs 2023
Hail (1"+), 5 yrs: 0US 10.0 per 1k sq mi · below US
Median income: $125kUS $81k · above US
Age 65+: 14%US 17.2% · below US

What it means for local businesses

Older housing stock45.5% of homes were built before 1980. That means steady repair, replacement and remodel work.
Strong spending powerMedian household income is $125k (US $81k).

How we'd market a business here

Build pages for every repair and replacement you do, so each search finds you. SEO
Lead with quality work and premium services in your ads and pages. Content

Who you're up against in King County

Specialty trade contractors: 3,739 · 39.7/10k · 1 per 140 homes
Plumbing, HVAC and electrical contractors: 987 · 10.5/10k · 1 per 529 homes
Roofing contractors: 206 · 2.2/10k · 1 per 2,533 homes
Home builders and general contractors: 2,825 · 30/10k · 1 per 185 homes
Landscaping services: 843 · 9/10k · 1 per 619 homes
Real estate agents and brokers: 2,276 · 24.2/10k
Financial advisors and investment services: 914 · 9.7/10k
Insurance agencies and brokerages: 922 · 9.8/10k
Law offices and legal services: 1,659 · 17.6/10k
Dental offices: 1,434 · 15.2/10k

Businesses per 10,000 households. The dark tick is the US average.

Get your free King County market report

Call (910) 668-9503 or email us.

Sources: U.S. Census Bureau, American Community Survey 5-Year Estimates, 2020–2024; U.S. Census Bureau, Population Estimates Program, Vintage 2025; U.S. Census Bureau, County Business Patterns, 2023; U.S. Census Bureau, Building Permits Survey, 2023 and 2025 annual; NOAA National Centers for Environmental Information, Storm Events Database, 2021–2025.