Mercer Island, WA Cost Of Living

The latest cost of living statistics for Mercer Island. Includes statistics on rent, mortgages, healthcare, and other costs for Mercer Island compared to the state and national averages.

Cost of living in Mercer Island, Washington

Cost of living in Mercer Island research summary. The cost of living index is set to 100 for the average place in the United States. A cost of living index above 100 means Mercer Island is expensive. An index value below 100 means the city is a relatively cheap place to live.

On a city-by-city basis in Washington, home prices and rent have the biggest impact on the cost of living. Here are the key takeaways based on Saturday Night Science:

266 Cost of living index 2.7x higher vs US
#191 Cheapest in Washington (of 191)
#6,440 Cheapest in the U.S. (of 6,489)
$2,326,984 Median home value
$2,502 Median rent
$219,069 Median income
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What is the cost of living in Mercer Island, WA?

According to the most recent data on the cost of living, Mercer Island has an overall cost of living index of 266, which is 2.7x higher than the national index of 100.

Compared to Washington, Mercer Island has a cost of living index that's 2.2x higher than Washington's index of 120.

The standard of living in Mercer Island ranks as #191 most affordable out of the 191 places we measured in Washington. By definition, that implies Mercer Island ranks as the #0 most expensive place in the Evergreen State.

For more reading on life in Mercer Island, check out:

Mercer Island Cost Of Living Vs. Washington

Six factors go into calculating the cost of living index in Mercer Island. Here is how it fares on each of the criteria:

  • The Services index in Mercer Island is 112.

  • The Groceries index in Mercer Island is 113.

  • The Health index in Mercer Island is 609.

  • The Housing index in Mercer Island is 120.

  • The Transportation index in Mercer Island is 116.

  • The Utilities index in Mercer Island is 120.

Living Expense Mercer Island Washington National Average
Overall 266 120 100
Services 112 108 100
Groceries 113 108 100
Health 609 137 100
Housing 120 111 100
Transportation 116 111 100
Utilities 120 110 100

Mercer Island Cost Of Living Compared To Washington Averages

Services
Mercer Island 112
Washington avg 108
Groceries
Mercer Island 113
Washington avg 108
Health
Mercer Island 609
Washington avg 137
Housing
Mercer Island 120
Washington avg 111
Transportation
Mercer Island 116
Washington avg 111
Utilities
Mercer Island 120
Washington avg 110

Index where 100 = national average. Source: cost-of-living index 2026.

For more reading on cost of living around Washington, check out:

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Source: Cost-of-living index 2026, normalized to US average = 100

Mercer Island, WA Housing Cost Breakdown

$2,326,984Median Home Value
$2,502Median Rent
$219,069Median Income

Housing swings affordability the most between places in Washington, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:

  • The Median Home Value in Mercer Island is $2,326,984.

  • The Median Rent in Mercer Island is $2,502.

  • The Median Income in Mercer Island is $219,069.

  • The Home Value To Income in Mercer Island is 10.6x.

  • The Rent To Monthly Income in Mercer Island is 0.14x.

Statistic Mercer Island Washington United States
Median Home Value $2,326,984 $601,016 $332,700
Median Rent $2,502 $1,760 $1,413
Median Income $219,069 $98,141 $80,734
Home Value To Income 10.6x 6.1x 4.1x
Rent To Monthly Income 0.14x 0.22x 0.21x

Mercer Island, WA Costs By Category

Detailed Mercer Island Services costs vs. Washington
Item Mercer Island Washington
Shampoo $1.4 $1.28
Movie $16.37 $12.13
Bowling $21.59 $18
Haircut $50.2 $24.26
Beauty Salon $72.25 $45.56
Detailed Mercer Island Groceries costs vs. Washington
Item Mercer Island Washington
Ground Beef $5.54 $5.84
Fried Chicken $2.55 $1.57
Milk $5.1 $4.67
Potatoes $4.49 $4.93
Pizza $14.4 $12.09
Beer $12.14 $10.41
Toothpaste $3.96 $3.7
Detailed Mercer Island Health costs vs. Washington
Item Mercer Island Washington
Optometrist $198.49 $125.68
Doctor $236.25 $135.78
Dentist $149.39 $113.29
Detailed Mercer Island Transportation costs vs. Washington
Item Mercer Island Washington
Gasoline $4.66 $3.46
Tire Balancing $67.2 $59.92
Detailed Mercer Island Utilities costs vs. Washington
Item Mercer Island Washington
All Electricity $193.41 $193.99
Phone $202.97 $192.25

Mercer Island SnackAbility

10Overall SnackAbility
Jobs 9.5/10
Housing 10/10
Affordability 6/10
Diversity 8.5/10
Safety 8.5/10
Amenities 9/10
Education 10/10
Commute 7/10

Cost Of Living In Cities Around Mercer Island

The cost of living varies in the cities and towns around Mercer Island. Here's a quick look at the cost of living in the most populous nearby places:

  • Bellevue, WA has a cost of living index of 202, 0.8x Mercer Island.

  • Kent, WA has a cost of living index of 133, 0.5x Mercer Island.

  • Renton, WA has a cost of living index of 146, 0.5x Mercer Island.

City Population Cost Of Living Vs. Mercer Island
Bellevue, WA 151,847 202 0.8x
Kent, WA 135,603 133 0.5x
Renton, WA 105,317 146 0.5x
Auburn, WA 85,676 133 0.5x
SeaTac, WA 32,414 128 0.5x
Bainbridge Island, WA 24,631 186 0.7x
Tukwila, WA 21,451 127 0.5x
Bryn Mawr-Skyway, WA 17,638 146 0.5x
Port Orchard, WA 17,149 131 0.5x
White Center, WA 14,886 140 0.5x