Sammamish, Washington

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City of Sammamish, Washington
Official seal of City of Sammamish, Washington
Location of Sammamish in Washington.
Location of Sammamish in Washington.
Coordinates: 47°36′32″N 122°2′32″W / 47.60889°N 122.04222°W / 47.60889; -122.04222Coordinates: 47°36′32″N 122°2′32″W / 47.60889°N 122.04222°W / 47.60889; -122.04222
Country United States
State Washington
County King
 • Mayor Tom Vance
 • Total 18.47 sq mi (47.84 km2)
 • Land 18.22 sq mi (47.19 km2)
 • Water 0.25 sq mi (0.65 km2)
Elevation 540 ft (165 m)
Population (2010)[2]
 • Total 45,780
 • Estimate (2013[3]) 50,169
 • Density 2,512.6/sq mi (970.1/km2)
Time zone Pacific (UTC−8)
 • Summer (DST) Pacific (UTC−7)
ZIP codes 98074-98075
Area code(s) 425
FIPS code 53-61115
GNIS feature ID 1508071[4]

Sammamish /səˈmæ.mɪʃ/ is an Eastside suburb of Seattle in King County, Washington, United States. It was incorporated in 1999. The population was 45,780 at the 2010 census. CNN Money magazine, in its 2011 review of the best places to live in the United States, ranked Sammamish 15th.[5] Forbes, in its 2012 list of the Friendliest Towns in the United States, ranked Sammamish 1st.[6]


The Sammamish Plateau was part of unincorporated King County for most of its recorded history. The first Europeans arrived in the late 19th century and established a trio of resorts by the 1930s. The plateau remained a mostly rural area until suburban homes, shopping centers, and schools were built in the 1970s and 1980s. A vote in 1991 to join neighboring Issaquah failed, as did a vote on incorporation the following year. A renewed movement to become a city, born of frustration with development policies set by the county government, met with voter approval in 1998. Sammamish was officially incorporated on August 31, 1999.[7]


Neighboring cities include Redmond to the north and Issaquah to the south.

According to the United States Census Bureau, the city has a total area of 18.47 square miles (47.84 km2), of which, 18.22 square miles (47.19 km2) is land and 0.25 square miles (0.65 km2) is water.[1]

Situated on the shores and hilly terrain east of Lake Sammamish, the city features a landscape of trees, mountains, and lakes. Other than Lake Sammamish, Beaver Lake and Pine Lake are the two biggest lakes in Sammamish.

Sammamish has a mild Marine West Coast or oceanic climate. Extremes range from -3 °F (−19 °C), in February 1950, to 102 °F (39 °C), in August 1960.[citation needed]

Climate data for Sammamish, Washington
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 67
Average high °F (°C) 47
Average low °F (°C) 36
Record low °F (°C) −1
Precipitation inches (mm) 8.85
Source: [8]

Surrounding cities and communities[edit]


Historical population
Census Pop.
2000 34,104
2010 45,780 34.2%
Est. 2013 50,169 9.6%
U.S. Decennial Census[9]
2013 Estimate[10]

The median income for a household in 2009 was $129,583, and the median income for a family was $136,689 . The per capita income for the city was $49,994. About 1.7% of families and 2.4% of the population were below the poverty line, including 2.9% of those under age 18 and 0.0% of those age 65 or over. Sammamish ranks 12th of 522 areas in the state of Washington to be ranked on per capita income.

In 2007, CNN Money ranked Sammamish as the 11th Best Place to Live in the United States,[11] and subsequently ranked it as #12 in 2009 [12] and #15 in 2011.[13]

2010 census[edit]

As of the census[2] of 2010, there were 45,780 people, 15,154 households, and 12,918 families residing in the city. The population density was 2,512.6 inhabitants per square mile (970.1 /km2). There were 15,736 housing units at an average density of 863.7 per square mile (333.5 /km2). The racial makeup of the city was 74.7% White, 1.0% African American, 0.3% Native American, 19.3% Asian, 0.1% Pacific Islander, 0.9% from other races, and 3.7% from two or more races. Hispanic or Latino of any race were 3.9% of the population.

There were 15,154 households of which 52.9% had children under the age of 18 living with them, 76.9% were married couples living together, 5.6% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 14.8% were non-families. 11.4% of all households were made up of individuals and 2.1% had someone living alone who was 65 years of age or older. The average household size was 3.01 and the average family size was 3.28.

The median age in the city was 37.7 years. 32.2% of residents were under the age of 18; 4.9% were between the ages of 18 and 24; 27.9% were from 25 to 44; 29.4% were from 45 to 64; and 5.7% were 65 years of age or older. The gender makeup of the city was 50.1% male and 49.9% female.


Lake Sammamish and Issaquah's Lake Sammamish State Park offer water recreation. There are many hiking trails and scenic woods around the housing developments. There are five major city parks: Beaver Lake Park, Pine Lake Park, NE Sammamish Park, East Sammamish Park, and Ebright Creek Park. Parks being planned in the recently incorporated city include Soaring Eagle Park and the Sammamish Commons. The East Lake Sammamish Trail, opened in April 2006, connects to a regional trail system. A skatepark is located adjacent to the Sammamish City hall, across from Skyline High School.

The first phase of Sammamish Commons, a city center project comprising City Hall, recreation facilities, and a police station was opened in late 2006. The King County Library System relocated the Sammamish Library to the site in January 2010. The city government and YMCA have recently been in talks to create a community aquatic center at the Commons site as well.[14]

Sammamish is home to two private golf clubs: the Plateau Club, and Sahalee Country Club, which hosted the 1998 PGA Championship and the 2002 World Golf Championship-NEC Invitational.[15]


Sammamish uses a council-city manager form of government.

In the 2000 Presidential election, Republican George W. Bush received 51.80% percent of the vote here, defeating Democrat Al Gore, who received 44.99%. In the 2000 Washington Senatorial Election, Republican Slade Gorton received 55.93% to Democrat Maria Cantwell's 42.57%.[citation needed]

In the 2004 Presidential election, Republican George W. Bush received 49.97% percent of the vote, defeating Democrat John Kerry, who received 49.07%. In the 2004 Washington Senatorial Election, Democrat Patty Murray received 50.51% of the vote to Republican George Nethercutt's 48.05%.[citation needed]

In the 2006 Washington Senatorial Election, Democrat Maria Cantwell received 53.91% of the vote compared to Republican Mike McGavick's 44.29%.[citation needed]

City services[edit]

Despite its size, the City of Sammamish does not have its own U.S. Post Office relying on Issaquah and Redmond for Post Office services.[16] The city relies on Eastside Fire and Rescue to provide fire services.[17]


Sammamish contracts with the King County Sheriff's Office for police services. Deputies assigned to Sammamish wear city uniforms and drive patrol cars marked with the city logo. There are currently 8 patrol officers, three master police officers, one traffic officer, one DUI officer, two school resource officers, three sergeants, three burglary/larceny detectives, and one chief assigned full-time to the city.[citation needed] The city relies on the King County and Issaquah City Jails and does not have its own detention center.[18]


The city is part of two school districts: Lake Washington School District (LWSD for short) serves northern Sammamish and Issaquah School District (ISD for short) serves southern Sammamish. There are four high schools, Eastside Catholic School, Eastlake High School, and the [1] STEM school of the LWSD and Skyline High School of ISD exist within the city limits. There are four middle/junior high schools: Inglewood Middle School, Beaver Lake Middle School, Pine Lake Middle School, and Renaissance School of Art and Reasoning, as well as nearly a dozen elementary schools such as Discovery, Sunny Hills, Cascade Ridge, Challenger, Creekside, Margaret Mead, Samantha Smith, Rachel Carson, Christa McAuliffe, and Elizabeth Blackwell. Eastside Catholic High School moved to its newly constructed Sammamish campus in September 2008, with the addition of grades 6-8.[19]

Public transit[edit]

With service provided both by Sound Transit and King County Metro, some areas of Sammamish are served by four bus routes that provide access to other Eastside cities and Seattle.

  • Route 216 – Seattle commuter service on weekdays from Bear Creek P&R in Redmond and going through Sammamish and Issaquah on weekdays
  • Route 219 – Seattle A proposed new bus service serving the S Sammamish P&R, adding an additional 5 AM trips and 9 PM trips for commuters to Seattle. Beginning Sept. 2013 upon approval.
  • Route 269 – Commuter service to Redmond and Issaquah on weekdays
  • Route 554 – Sound Transit express service from downtown Seattle to Issaquah. Five weeknight eastbound buses per evening continue on to 185th Ave NE & Redmond/Fall City Rd NE in Redmond, and three early-morning westbound buses start at 185th Ave NE & Redmond/Fall City Rd NE instead of the normal Issaquah Highlands P&R.
  • Route 927 – Local transportation service with DART (Dial-A-Ride Transit) access to/from Issaquah from Monday to Saturday


  1. ^ a b "US Gazetteer files 2010". United States Census Bureau. Retrieved 2012-12-19. 
  2. ^ a b "American FactFinder". United States Census Bureau. Retrieved 2012-12-19. 
  3. ^ "Population Estimates". United States Census Bureau. Retrieved 2014-06-04. 
  4. ^ "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31. 
  5. ^ "Best Places To Live, 2011.". Retrieved July 29, 2012.
  6. ^ "America's Friendliest Towns, 2012.". Retrieved December 23, 2012.
  7. ^ Dougherty, Phil (April 24, 2008). "Sammamish incorporates on August 31, 1999.". Online Encyclopedia of Washington State History. Retrieved June 22, 2011.
  8. ^ "Monthly Averages for Sammamish, WA (98075)". Retrieved November 16, 2011. 
  9. ^ "U.S. Decennial Census". Retrieved June 6, 2013. 
  10. ^ "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2013". Retrieved June 4, 2014. 
  11. ^ CNN Money: Best Places to Live 2007 
  12. ^ CNN Money: Best Places to Live 2009 
  13. ^ CNN Money: Best Places to Live 2011 
  14. ^ Heeringa, Caleb (June 16, 2011). "Community center in Sammamish would require large subsidy". Sammamish Review (Issaquah Press). Retrieved June 22, 2011.
  15. ^ Nelson, Donald R. (August 25, 2002). "NEC a stroke of good news". Puget Sound Business Journal. Retrieved June 22, 2011.
  16. ^ USPS.Find a Business/Standard Search - United States Postal Service
  17. ^ Eastside Fire
  18. ^ City of Sammamish Police-Service Efforts and Accomplishments: 2004
  19. ^ "Eastside Catholic dedicated with prayers and a roar". Sammamish Reporter (Sound Publishing). September 3, 2008. Retrieved June 22, 2011.

External links[edit]