Mercer Island Washington Profile and Resource Guide, City or community of Mercer Island, Washington Facts, Information, Relocation, Real Estate, Advertising
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Mercer Island

King County,


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The Washington state capital is Olympia.

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Statistics & Facts

The population of Mercer Island is approximately 21,550 (1997), 22699 (2010).
The approximate number of families is 8,321 (1990), 9109 (2010).

The amount of land area in Mercer Island is 16.532 sq. kilometers.
The amount of land area in Mercer Island is 6.2 sq. miles.
The amount of surface water is 17.422 sq kilometers.
The distance from Mercer Island to Washington DC is 2463 miles. The distance to the Washington state capital is 48 miles. (as the crow flies)
Mercer Island is positioned 47.56 degrees north of the equator and 122.23 degrees west of the prime meridian.

Mercer Island median income is $76,100 (1994).

Mercer Island miscellany.

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Mercer Island location: on the southern edge of Lake Washington. It is the only King County city situated on an island. Access to Seattle or Bellevue is over the Interstate 90 bridge.

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The geography for Mercer Island is the island is a little over five miles long and only two miles wide.

Climate & Weather

Mercer Island average annual precipitation is 32-35 inches per year.
The average winter temperature is 20 - 40 degrees F.
The average summer temperature is 50-70 degrees F.
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History & History Related Items

Mercer Island history:

The island was named after one of the three pioneering Mercer brothers, all of whom had a great influence on the development of the Seattle area
The settling of Mercer Island: 1870's
The incorporation date of Mercer Island: July, 1960

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