Age At HomeDirectory
County overview

King County

Washington - aging-in-place demographics, contractor density, and accessibility insights for King County.

Census ACS 5-year estimates

Who lives in King County

Population
2,254,371
Age 65+
13.6%
Median age
37.2
Owner-occupied
56.2%
With disability
10.0%
Median home value
$761,500
Median income
$116,340
Residents 65+
306,055
How King County compares

vs. the U.S. average

% age 65+
-17.6%
% owner-occupied
-13.3%
% with disability
-22.5%
Median household income
+54.8%
Median home value
+170.1%
Median age
-3.4%

Comparison computed from the latest American Community Survey 5-year estimates. A positive number means this county is higher than the national average; negative means lower.

Local Age At Home Pro's

Top-rated contractors in Washington

Verified contractors serving King County and the broader Washington region. Please verify they meet your licensing and insurance needs.

Other counties in Washington

Pierce County
918,993 residents
Snohomish County
828,337 residents
Spokane County
538,711 residents
Clark County
504,091 residents
Thurston County
294,272 residents
Kitsap County
275,411 residents
Yakima County
256,143 residents
Whatcom County
226,523 residents

Aging-in-place in King County

King County is home to roughly 2,254,371 residents, of whom about 306,594 are age 65 or older - a senior share of 13.6%, well below the U.S. average. For families planning aging-in-place modifications here, that population density translates directly into a deep bench of local contractors familiar with the needs of older homeowners.

Roughly 56.2% of homes in King County are owner-occupied at a median home value of $761,500. That's a lower-than-average ownership rate, which can mean more renters navigating accessibility modifications with landlord involvement. Older homes in established neighborhoods can require careful planning for grab-bar anchoring, walk-in shower conversions, and doorway widening - all standard work for the aging-in-place specialists listed below.

About 10.0% of King County residents report a disability, a rate below national levels. Demand for accessibility-focused remodelers - bathroom safety upgrades, non-slip flooring, ADA toilet installations, and lowered countertops - reflects that local population, not a one-size-fits-all national average.