Statistics
Dementia in Seattle: 2026 Statistics
How many people in Seattle are old enough to be at risk, how many are estimated to be living with dementia, how many are on their own, and what care costs. Every figure is sourced below.
Census data verified · Page updated
| Measure | Seattle | Note |
|---|---|---|
| Total population | — | Census ACS 5-year estimate |
| Aged 65 and over | 94,796 | |
| Aged 85 and over | 12,020 | 12.7% of those 65+ |
| Estimated living with dementia | 10,533 | Estimate: 1 in 9 of those 65+, see method |
| Seniors living alone | 31,510 | 33.2% of those 65+ |
| Median household income | $121,984 | All households, Census ACS |
| In-home care, hourly | $28 to $40 | The range Dementia In Home quotes for this city |
What in-home care costs in Seattle
Using the hourly range above. Twenty hours a week is a common starting point; forty is roughly full-time daytime cover.
20 hours a week, per month
$2,425 to $3,464
40 hours a week, per month
$4,850 to $6,928
20 hours a week, per year
$29,120 to $41,600
Full breakdown, and what changes the number, on the cost of care in Seattle.
Where Seattle stands among 20 cities
- Residents aged 65 and over: #12 of 20
- Estimated living with dementia: #12 of 20
- Seniors living alone: #15 of 20
- Lowest hourly care rate: #1 of 20
All 20 cities side by side on the national statistics page.
Frequently asked questions
- How many people in Seattle have dementia?
- An estimated 10,533. This applies the Alzheimer's Association's national prevalence figure of roughly 1 in 9 people aged 65 and over to Seattle's Census count of 94,796 residents in that age group. It is an estimate, not a diagnosis count.
- How many seniors live alone in Seattle?
- 31,510 people aged 65 or over live alone in Seattle, which is 33.2% of that age group, according to Census ACS 5-year estimates.
- What does in-home dementia care cost in Seattle?
- Dementia In Home quotes $28 to $40 an hour in Seattle. At 20 hours a week that is about $2,425 to $3,464 a month; at 40 hours, $4,850 to $6,928.
- How does Seattle compare with other cities?
- Among the 20 cities Dementia In Home covers, Seattle ranks 12 for residents aged 65 and over and 15 for seniors living alone.
Sources and method
- Population, age bands, seniors living alone and median household income: US Census Bureau, American Community Survey 5-year estimates, verified August 26, 2026.
- Estimated dementia cases: the number of residents aged 65 and over divided by 9, applying the Alzheimer's Association's national prevalence figure of about 1 in 9 in that age group. It is a population estimate, not a count of diagnoses, and local prevalence may differ.
- Hourly care rates are the range Dementia In Home quotes for Seattle. Monthly figures use 4.33 weeks a month.
- Rankings are among the 20 cities Dementia In Home publishes guides for, not among all US cities.
Statistics for other cities
Looking for care rather than numbers? In-home dementia care in Seattle.