Utilities & Infrastructure in Mercer Island, WA

Water systems, internet access, and utility services

Internet & Broadband Access

Source: Census ACS

Broadband Access

96.1%

of households

Cable / Fiber / DSL

86.9%

of households

No Internet

1.8%

of households

Total Households

9,893

Internet Subscription Types

Cable, Fiber, or DSL

86.9%

Cellular Data Plan

92.1%

Satellite

5.7%

Cellular Only (no wired)

6.4%

No Internet Access

1.8%

Device Ownership

Source: Census ACS

Has Computer

97.6%

of households

Smartphone

94.0%

of households

Desktop / Laptop

95.4%

of households

Tablet

81.1%

of households

Any Computing Device

97.6%

Smartphone

94.0%

Desktop / Laptop

95.4%

Tablet

81.1%

Smartphone Only

1.2%

No Computer

2.4%

Percentage of households with each device type. Data from the U.S. Census Bureau ACS (2023 5-year estimates, tables B28001 & B28002).

Water Systems

Source: EPA SDWIS

Water Systems

Population Served

30,785

Violations (5yr)

System Name	Type	Source	Pop. Served	Violations
MERCER ISLAND CITY OF	Community	Purchased surface water	30,689	0
SPRING GLEN MOBILE HOME PARK	Community	Ground water	96	0

96.1% of households in Mercer Island have broadband internet access. 86.9% have cable, fiber, or DSL service. 6.4% rely solely on cellular data without a wired connection. 1.8% of households have no internet access. The area is served by 2 water systems, providing water to 30,785 people. No water quality violations have been reported in the past 5 years.