CA
San Carlos, CA
Population, housing, work, and travel data for this Census place.
- Population
- 29,261
- Median home
- $2,000,001
Washington / Census place 5345005
Mercer Island
A Census profile of the people, homes, and daily patterns that shape this place.
Official Census name: Mercer Island cityAt a glance
A city in numbers.
- Population
- 25,422 2025 estimate
- Annual change
- +1.5% Population estimate
- Density
- 3,983/sq mi 6.4 sq mi land area
- Median age
- 46.4 years ACS 5-year estimate
Living here
The everyday equation.
Households, homes, education, and the time it takes to get around.
- Median household income
- $219,069
- Median home value
- $2,000,001
- Median gross rent
- $2,502
- Bachelor’s degree or higher
- 81.4%
- Typical commute
- 23.6 min
- Public transit commute
- 3.1%
Climate normals
The long view of weather.
Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.
Representative station: SEATTLE BOEING FLD (4 mi from place center)- Average high
- 61.7°F
- Average low
- 46°F
- Annual rainfall
- 36.5"
- Annual snowfall
- 0"
Month by month
A year in Mercer Island.
JFMAMJJASOND
Data vintage
Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.
Population estimatesACS profileTIGERweb boundaryNOAA climate normals
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Population, housing, work, and travel data for this Census place.
- Population
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- Median home
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Population, housing, work, and travel data for this Census place.
- Population
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- Median home
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Keep exploring
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