Washington > King County > Mercer Island
Mercer Island, WA
King County · population ~25,870
Population
25,870
↑ 14% since 2010
Jobs
7,857
↑ 28% since 2010
Renters
33%
↑ 10pp since 2009
Median income
$219,069
↑ 86% since 2009 (nominal)
Overview
People
Work
Housing
Mobility
Life
Change
Compare
What stands out
- 128% of the people who work in Mercer Island commute in from a single place (Seattle) — the largest single commuting relationship measured here.
Key facts
Population
25,870
Jobs
7,857
Renters
33%
Median income
$219,069
Nearby places
Straight-line distance, not drive time
The story so far
Local job base moved from 6,118 in 2010 to 7,857 by 2023, with the pace of change shifting noticeably around 2019 (+1.3%/year before, +3.1%/year after). That trend is still underway as of the most recent data. Owner-occupancy has fallen 10 percentage points since 2009 (77% to 67% by 2024) — measured across non-overlapping ACS survey windows to avoid over-reading a single year's release.
Local jobs, 2010–2023
The numbers
Each row: the current value, its trend over time, and where it falls among all 82 places we cover.
Family households
ACS 5-yr
69.8%
higher than 77% of places
Owner-occupied
ACS 5-yr
67.0%
higher than 69% of places
Local jobs
LODES
7,857
higher than only 41% of places
Job growth since 2010
LODES
28%
higher than only 33% of places
Weekday transit departures
GTFS snapshot
1,472
higher than only 33% of places
Tesla share of local EVs
WA DOL
47%
higher than 70% of places
Multifamily permitting
Census BPS
0th pctl
vs. this place's own 2010–2025 permitting history (not a cross-place comparison)
2BR Fair Market Rent
HUD, county-level
$2,549
FY2020 → FY2027, shared across this HUD metro area — not place-specific
Housing mix
ACS 5-yr — current housing stock, not new permits
Single-family69%
Multifamily (5+ units)31%
Where Mercer Island's workforce lives
LODES OD — commuting flows
Seattle
28.4%
Mercer Island
14.9%
Bellevue
8.7%
Renton
4.7%
Kirkland
3.8%
Life
per place — WA OSPI, OpenStreetMap
Parks37
Schools6
Grocery stores3
Hospitals0
Libraries1
Nearest community site: United Church of Christ Congregational Church (Churches), 0.46 km
Work
Share of local jobs by sector · LODES · workplace location, not resident industry
Healthcare & Social Assistance19% (1,500)
Education (includes academia/research)14% (1,095)
Professional Services (partial technology proxy)11% (891)
Hospitality9% (691)
Retail9% (678)
Construction / Real Estate8% (642)
Other8% (591)
Administrative & Support Services7% (569)
Finance6% (482)
Information (partial technology proxy)3% (266)
Government (Public Administration)3% (223)
Logistics / Industrial2% (158)
Manufacturing (includes, but is not limited to, aerospace)1% (71)