Local supply and market context for residential assisted living in Arlington.
Updated July 2026
Arlington, WA has 14 licensed assisted living homes (332 beds, averaging 23.7 per home). It sits in Snohomish County, a strong RAL market scoring 7.6/10, with 46,471 seniors 75+ growing 17.2%.
Licensed homes
14
Arlington
Licensed beds
332
total
Avg home size
23.7 beds
per home
County opportunity
7.6/10
Strong
The Arlington assisted living market
Arlington has 14 licensed assisted living homes totaling 332 beds — an average of 23.7 beds per home, a mix of small homes and larger communities. As part of Snohomish County, it draws on a 75+ population of 46,471 growing 17.2%, with a senior median income of $69,352. See the full Snohomish County market or all Washington top markets.
Frequently asked questions
How many assisted living homes are in Arlington, WA?
Arlington has 14 licensed assisted living homes with about 332 total beds.
Is Arlington a good place to open an assisted living home?
Arlington is in Snohomish County, which scores 7.6/10 (Strong) on RAL Market Scout; its 75+ population is growing 17.2%. Current local supply is 14 homes.
What county is Arlington in?
Arlington is in Snohomish County, Washington.
Evaluate a Arlington site
RAL Market Scout builds a full demand-and-supply report for any specific address in Arlington.
Sources: Home and bed counts from the Washington licensing roster (RAL Market Scout pipeline). County demand, growth, and income from U.S. Census ACS. Snapshot: 2026-07. Informational only — not legal, financial, or investment advice.