About ZIP Code 98040

ZIP code 98040 is assigned to Mercer Island, King County, Washington, United States. It falls in the Pacific Time (PT) zone. The estimated population of this ZIP code area is 25,307 with a density of 1,530.9 people per square mile.

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Location Details

ZIP Code98040
CityMercer Island
CountyKing County
CountryUnited States
TimezonePacific Time (PT)
Timezone IDAmerica/Los_Angeles
Latitude47.5661
Longitude-122.2320
ZIP TypeStandard ZIP

Post Office

Address3040 78TH AVE SE
CityMERCER ISLAND
StateWA

Nearby ZIP Codes in Washington

Frequently Asked Questions

What city is ZIP code 98040 in?

ZIP code 98040 is in Mercer Island, King County, Washington, United States.

What county is ZIP code 98040 in?

ZIP code 98040 is in King County, Washington.

What timezone is ZIP code 98040 in?

ZIP code 98040 is in the Pacific Time (PT) zone (America/Los_Angeles).

What is the population of ZIP code 98040?

The estimated population of ZIP code 98040 is 25,307 people with a density of 1,530.9 people per square mile.

What state is ZIP code 98040 in?

ZIP code 98040 is in Washington (WA), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.