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The of Bryn Mawr is located in King County in the state of Washington (WA).

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Bryn Mawr, Washington, a CDP, in King County spans over 3.3 square miles and has a population of 15,645 citizens who are all invited to join us here on our site.

Latest Bryn Mawr, WA News:

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State Level News: State of Washington News
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Bryn Mawr, WA Map (Interactive)

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Bryn Mawr Latitude: 47.4965 Longitude: -122.2516

The Zip Code for Bryn Mawr, WA is: 98178

We also provide additional resources for the rest of King County and the State of Washington.

The of Bryn Mawr

Facts & Data:

Bryn Mawr Washington Physical Characteristics:

The of Bryn Mawr has an area of 3.0 square miles
  • Land: 2.8382494208494 Sq. Mi. (94.27%)
  • Water: 0.17247876447876 Sq. Mi.(5.73%)
The Bryn Mawr takes up 0.1% of the area of King County.

Map Location Coordinates:

  • Latitude: +47.4939805
  • Longitude: -122.2442584
Bryn Mawr Land Water Pie Chart

Bryn Mawr, WA Climate Information:

  • Average Temperature: 53.2°F
  • Average Rainfall: 40.05 inches
*Based on annual average for Weather Station USW00094248 RENTON MUNI AP
Latitude: 47.4933 Longitude: -122.2144 Elevation: 8.8 feet.

Bryn Mawr, WA Population Data:

According to the 2010 U.S. Census, the population of Bryn Mawr was 15,645 people, which is 0.8 % of the entire population of King County.


  • 48.43% Male
  • 51.57% Female


  • 29.645% White
  • 31.403% Black
  • 27.095% Asian
  • 0.84% American Indian/Alaskan Native
  • 0.84% Pacific Islander
  • 7.223% Mixed
  • 2.947% Other


  • 92.28% Not Hispanic or Latino
  • 7.72% Hispanic or Latino
Bryn Mawr Race Population Ring Chart

Bryn Mawr, WA Housing Information:

Average Household Size: 2.7
Number of Residences: 6,189
  • Occupied: 5,772 (93.26%)
  • Vacant: 417 (6.74%)

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