US Gazetteer > Washington Gazetteer > Washington ZIP Codes > Mercer Island, WA 98040

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Preferred Name, USPS
Mercer Island, WA 98040

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The 98040 ZIP Code is centered1 in King County at latitude 47.564 and longitude -122.226 (Panoramio Photos). It is a standard type ZIP Code. King County is in the Pacific Time Zone (UTC -8 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 98040 was 22,036 with 8,806 housing units; a land area land area of 6.38 sq. miles; a water area of 0 sq. miles; and a population density of 3,452.05 people per sq. mile for Census 2000. Demographic Profile

Mercer Island, WA 98040 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Mercer Island, WA (< 0.1 mile)
Newport Shores, WA (1.4 miles ENE)
Pines, WA (1.9 miles SE)
Lake Heights, WA (1.9 miles E)
Hazelwood, WA (1.9 miles ESE)
Beaux Arts Village, WA (1.9 miles NE)
Columbia, WA (2.4 miles W)
Roanoke, WA (2.4 miles NNW)
Newport, WA (2.4 miles ENE)
May Creek, WA (2.7 miles SSE)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Mercer Heights, WA (< 0.1 mile)
Beaumont, WA (1.4 miles N)
Fortuna, WA (1.4 miles NNE)
Mercer Island Town, WA (1.4 miles NNW)
Lakewood, WA (1.9 miles W)
McGilvara, WA (1.9 miles NNW)
Seward Park, WA (1.9 miles WSW)
East Seattle, WA (1.9 miles NNW)
Columbia City, WA (2.4 miles W)
Moorland, WA (3.1 miles NNE)

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. ZIP Codes are only loosely tied to cities.

1 Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.