Home values, rents and more in Mercer Island, WA
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open Mercer Island in ProMap- Under $580k
- $580k–$720k
- $720k–$880k
- $880k–$1.3M
- $1.3M+
- No data
How Mercer Island compares
The typical home in Mercer Island, WA is worth about $2,213,000, according to the Zillow Home Value Index for September 2026. Home values in Mercer Island are 3.1 times the typical value in the Seattle metro area ($720,000) and 6.0 times the U.S. typical value ($366,000).
Over the past year, home values in Mercer Island fell 0.8%, compared with −1.6% in the Seattle metro area and +1.2% nationally.
Typical rent is $2,796 a month (Zillow Observed Rent Index), 24% above the Seattle metro area ($2,250) and 45% above the U.S. ($1,932). Rents rose 6.0% over the past year.
The median household income is $219,069, against $115,177 in the Seattle metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 25,307 people live in Mercer Island (American Community Survey 2020–24).
Mercer Island has the 7th-highest typical home value of the 93 cities in the Seattle metro area and the 7th-highest of 342 in Washington with Zillow figures.
Part of: King County, WA · Seattle metro area · Washington
More for Mercer Island in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- Crime rates
- Homeowners insurance premiums
- Commute time to downtown
- Flood, wildfire and natural hazard risk
- Property-tax rate
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby cities
ZIP codes in Mercer Island, WA
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.