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SeaTac, Washington
Aerial view of SeaTac, featuring Angle Lake
Aerial view of SeaTac, featuring Angle Lake
Official seal of SeaTac, Washington
Seal
Location of SeaTac, Washington
Location of SeaTac, Washington
Country United States
State Washington
County King
Incorporated February 28, 1990
Named for Seattle–Tacoma International Airport
Government
 • Type Council–manager
Area
 • Total 10.239 sq mi (26.519 km2)
 • Land 10.064 sq mi (26.067 km2)
 • Water 0.175 sq mi (0.454 km2)
Elevation
269 ft (82 m)
Population
 (2020)
 • Total 31,454
 • Estimate 
(2023)
31,799
 • Density 3,200/sq mi (1,220/km2)
Time zone UTC–8 (Pacific (PST))
 • Summer (DST) UTC–7 (PDT)
ZIP Codes
98148, 98158, 98168, 98188, 98198
Area code(s) 206
FIPS code 53-62288
GNIS feature ID 1534053

SeaTac (/ˈstæk/) is a city in southern King County, Washington, United States. The city is an inner-ring suburb of Seattle and part of the Seattle metropolitan area. The name "SeaTac" is derived from the Seattle–Tacoma International Airport, itself a portmanteau of Seattle and Tacoma.

The city of SeaTac is 10 square miles (26 km2) in area and has a population of 31,454 according to the 2020 census. The city boundaries surround the Seattle–Tacoma International Airport (approximately 3 square miles (7.8 km2) in area), which is owned and operated by the Port of Seattle. The city includes the communities of Angle Lake, Bow Lake, McMicken Heights and Riverton Heights, which were established before the city's incorporation. Residents voted for incorporation on March 14, 1989, and the city incorporated in February 1990.

History

The Highline area, which includes modern-day SeaTac, Burien, most of Des Moines, and unincorporated communities such as White Center and Boulevard Park, was settled by European Americans in the mid-1850s. The federal government finished construction of a military road from Fort Steilacoom to Fort Bellingham in 1860, passing through the Highline area to the east of modern-day SeaTac. One of the more prominent roads of travel from Seattle to Tacoma early in the 20th century is Des Moines Memorial Drive (originally called the High Line road), which passes directly through the middle of the region, particularly through SeaTac and Burien.

Incorporating the area as a city was proposed by local residents in the 1980s, while a competing proposal sought annexation into Des Moines or another city. Local residents voted for incorporation on March 14, 1989, and the city incorporated on February 28, 1990. Des Moines amended their annexation territory following the decision. The original ballot used the name "Sea-Tac", but the incorporation petition to the county government omitted the hyphen. In 2014, Gavin Kelly of The Resolution Foundation wrote that "A generation ago SeaTac was what Americans would call a middle-class town. A jet-fueller or baggage handler could earn a decent living."

Economy

Horizon Air 44539
Horizon Air headquarters

The city is home to over 900 licensed businesses, nearly 80 of which are Fortune 1000 companies. They employ nearly 40,000 employees in the city of SeaTac and generate local sales of approximately $3.7 billion.

Alaska Airlines and Horizon Air are headquartered in the city. Four airlines have operations at 18000 Pacific Highway South (also known as 18000 International Boulevard) in the city, including Asiana Airlines, EVA Air, Hainan Airlines, and China Airlines.

Economic development

SeaTac's Department of Community and Economic Development was formed in early 2011 to create a one-stop permitting center, increase the level of service and assist in the facilitation of economic development by creating a more cohesive approach to real estate development and job creation. The new department has four divisions: Economic Development, Planning, Engineering Review, and Building Services. In 2013, the City of SeaTac Proposition No. 1 passed with 50.64% of the vote to raise the minimum wage to $15 per hour.

Geography and climate

SeaTac is located at 47°26′29″N 122°17′35″W / 47.44139°N 122.29306°W / 47.44139; -122.29306 (47.441406, -122.293077).

According to the United States Census Bureau, the city has a total area of 10.239 square miles (26.52 km2), of which, 10.064 square miles (26.07 km2) is land and 0.175 square miles (0.45 km2) is water.

Climate data for Seattle (SeaTac Airport), 1981–2010 normals, extremes 1894–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 67
(19)
70
(21)
78
(26)
89
(32)
93
(34)
98
(37)
103
(39)
99
(37)
98
(37)
89
(32)
74
(23)
66
(19)
103
(39)
Mean maximum °F (°C) 56.4
(13.6)
60.3
(15.7)
66.0
(18.9)
74.7
(23.7)
81.5
(27.5)
85.5
(29.7)
90.6
(32.6)
88.8
(31.6)
84.6
(29.2)
72.2
(22.3)
60.7
(15.9)
55.9
(13.3)
93.8
(34.3)
Mean daily maximum °F (°C) 47.2
(8.4)
49.9
(9.9)
53.7
(12.1)
58.5
(14.7)
64.7
(18.2)
69.9
(21.1)
75.8
(24.3)
76.3
(24.6)
70.5
(21.4)
59.7
(15.4)
50.9
(10.5)
45.7
(7.6)
60.3
(15.7)
Daily mean °F (°C) 42.0
(5.6)
43.4
(6.3)
46.5
(8.1)
50.3
(10.2)
56.0
(13.3)
60.9
(16.1)
65.7
(18.7)
66.1
(18.9)
61.3
(16.3)
52.8
(11.6)
45.4
(7.4)
40.6
(4.8)
52.6
(11.4)
Mean daily minimum °F (°C) 36.9
(2.7)
36.9
(2.7)
39.3
(4.1)
42.2
(5.7)
47.3
(8.5)
51.9
(11.1)
55.6
(13.1)
55.9
(13.3)
52.1
(11.2)
45.8
(7.7)
40.0
(4.4)
35.6
(2.0)
45.0
(7.2)
Mean minimum °F (°C) 25.4
(−3.7)
25.9
(−3.4)
31.3
(−0.4)
35.0
(1.7)
39.7
(4.3)
46.2
(7.9)
50.6
(10.3)
50.7
(10.4)
44.6
(7.0)
35.7
(2.1)
28.7
(−1.8)
24.0
(−4.4)
19.5
(−6.9)
Record low °F (°C) 0
(−18)
1
(−17)
11
(−12)
29
(−2)
28
(−2)
38
(3)
43
(6)
44
(7)
35
(2)
28
(−2)
6
(−14)
6
(−14)
0
(−18)
Average precipitation inches (mm) 5.57
(141)
3.50
(89)
3.72
(94)
2.71
(69)
1.94
(49)
1.57
(40)
0.70
(18)
0.88
(22)
1.50
(38)
3.48
(88)
6.57
(167)
5.35
(136)
37.49
(952)
Average snowfall inches (cm) 1.4
(3.6)
1.7
(4.3)
0.8
(2.0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
1.2
(3.0)
1.7
(4.3)
6.8
(17)
Average precipitation days (≥ 0.01 in) 18.2 14.7 16.9 14.3 12.0 9.1 5.0 4.8 7.9 13.1 18.4 17.6 152.0
Average snowy days (≥ 0.1 in) 1.3 0.9 0.5 0 0 0 0 0 0 0 0.3 1.6 4.6
Average relative humidity (%) 78.0 75.2 73.6 71.4 68.9 67.1 65.4 68.2 73.2 78.6 79.8 80.1 73.3
Mean monthly sunshine hours 69.8 108.8 178.4 207.3 253.7 268.4 312.0 281.4 221.7 142.6 72.7 52.9 2,169.7
Percent possible sunshine 25 38 48 51 54 56 65 64 59 42 26 20 49
Source: NOAA (relative humidity and sun 1961–1990)

Surrounding cities

Demographics

Historical population
Census Pop.
1980 17,961
1990 22,694 26.4%
2000 25,496 12.3%
2010 26,909 5.5%
2020 31,454 16.9%
2023 (est.) 31,799 18.2%
U.S. Decennial Census
2020 Census

2020 census

SeaTac, Washington – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 2000 Pop 2010 Pop 2020 % 2000 % 2010 % 2020
White alone (NH) 14,666 10,619 9,182 57.5% 39.5% 29.2%
Black or African American alone (NH) 2,266 4,455 7,519 ? % 16.6% 23.9%
Native American or Alaska Native alone (NH) 346 299 230 ? % 1.1% 0.7%
Asian alone (NH) 2,804 3,874 5,741 ? % 14.4% 18.3%
Pacific Islander alone (NH) 664 946 972 ? % 3.5% 3.1%
Other race alone (NH) 77 62 146 0.2% 0.2% 0.5%
Mixed Race or Multi-Racial (NH) 1,371 1,180 1,561 4.6% 4.4% 5.0%
Hispanic or Latino (any race) 3,302 5,474 6,103 13.0% 20.3% 19.4%
Total 25,496 26,909 30,454 100.00% 100.00% 100.00%

As of the 2020 census, there were 30,454 people, 11,093 households, and 6,700 families residing in the city. The population density was 3,125.4 inhabitants per square mile (1,206.7/km2). There were 11,774 housing units. The racial makeup of the city was 31.8% White, 24.1% African American, 1.4% Native American, 18.4% Asian, 3.1% Pacific Islander, 12.0% from some other races and 9.1% from two or more races. Hispanic or Latino of any race were 19.4% of the population. 22.5% of residents were under the age of 18, 5.7% were under 5 years of age, and 12.8% were 65 and older.

2010 census

As of the 2010 census, there were 26,909 people, 9,533 households, and 5,913 families residing in the city. The population density was 2,682.9 inhabitants per square mile (1,035.9/km2). There were 10,360 housing units at an average density of 1,032.9 per square mile (398.8/km2). The racial makeup of the city was 45.9% White (39.5% Non-Hispanic White), 16.8% African American, 1.5% Native American, 14.5% Asian, 3.6% Pacific Islander, 11.6% from other races, and 6.0% from two or more races. Hispanic or Latino of any race were 20.3% of the population.

There were 9,533 households, of which 33.2% had children under the age of 18 living with them, 40.6% were married couples living together, 14.0% had a female householder with no husband present, 7.4% had a male householder with no wife present, and 38.0% were non-families. 28.8% of all households were made up of individuals, and 7.5% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.38.

The median age in the city was 34.5 years. 23.1% of residents were under the age of 18; 10.3% were between the ages of 18 and 24; 31.8% were from 25 to 44; 25.2% were from 45 to 64; and 9.7% were 65 years of age or older. The gender makeup of the city was 52.4% male and 47.6% female.

Education

Primary and secondary schools

Tyee Educational Complex
Tyee Educational Complex

Highline Public Schools is the school district with the majority of the city in its boundaries. Elementary schools serving the Highline sections of the city include Bow Lake Elementary School in SeaTac, Madrona Elementary School in SeaTac, McMicken Heights Elementary School in SeaTac, and Cedarhurst Elementary School in Burien. Most residents are zoned to Chinook Middle School and Tyee High School in the city, while some are zoned to Sylvester Middle School and Highline High School in Burien. With the opening of Glacier Middle School in north SeaTac, residents north of the airport are generally zoned there and subsequently to Highline High School given the proximity of that area to Burien.

Tyee Educational Complex housing three independent schools: The Academy of Citizenship and Empowerment, and Odyssey: The Essential School. It then has been transformed back to Tyee High School - a single school in the 2017–18 school year.

In 2004, Highline Public Schools reorganized some of its high schools, including Tyee, into having smaller programs on larger campuses.

Small portions of SeaTac are in the Kent School District and the Renton School District.

Public libraries

The King County Library System operates the Valley View Library in SeaTac.

Parks and recreation

Angle Lake
Angle Lake

The city operates seven city parks and operates two community center facilities.

Angle Lake Park, a 10.5-acre (42,000 m2) park at Angle Lake, has a barbecue area, a boat launch, a fishing pier, playground equipment, an open recreation area, swimming facilities, a stage, toilet facilities, and a spray park. In the swimming area lifeguards are on duty during the summer months.

Bow Lake Park, a 4-acre (16,000 m2) park, consists of open space.

Des Moines Creek Trail Park, consisting of 96 acres (390,000 m2), has a paved trail for bicyclists and pedestrians; off-street parking spaces are located at the trail head.

The 37-acre (150,000 m2) Grandview Park, an off leash dog area, has open areas, benches, fencing, a kiosk, waste receptacles, "sani-cans," and trails.

The 2.5-acre (10,000 m2) McMicken Heights Park has an open area, playground equipment, and tennis courts.

The Neighborhood Park at SeaTac Community Center has a half court basketball court a skate park, playground equipment, a picnic area, a climbing boulder, and parking.

The 165-acre (0.67 km2) North SeaTac Park has the SeaTac Community Center, baseball, soccer (football), and softball fields, a disk golf course, an outdoor basketball court, an open area, playground equipment, a picnic shelter, toilet facilities, BMX track and paved walking trails.

The 18-acre (73,000 m2) Sunset Park has baseball/softball fields, soccer fields, tennis courts, toilet facilities, and paved walking trails.

The 21-acre (85,000 m2) Valley Ridge Park has baseball/softball fields with synthetic turf, outdoor basketball courts, a community center, a hockey court, playground equipment, a skate park, soccer fields with synthetic turf, tennis courts, toilet facilities.

The Tyee Valley Golf Course is an 18-hole golf course and also served as the 1988 and 1989 USA Cross Country Championships running course.

Transportation

SeaTac is served by three major highways: State Route 99 (International Boulevard), State Route 518, and the Airport Expressway. Portions of Interstate 5 and State Route 509 also lie within the city limits.

Airports

The city is served by the Seattle–Tacoma International Airport, located within city limits.

Public transportation

The city is also served by several public transportation services: Link light rail stops at two stations in the city, at SeaTac/Airport station and Angle Lake station; King County Metro operates several bus routes in the area, including the RapidRide A Line on International Boulevard and RapidRide F Line on Southcenter Boulevard; some Sound Transit Express regional bus routes terminate or serve the SeaTac area, primarily the airport and other transit hubs.

Notable people

  • Mark Driscoll, evangelical pastor
  • Mia Gregerson, member of the Washington House of Representatives
  • Tally Hall, soccer player
  • Julia Patterson, former member of the Washington State Legislature and King County Council
  • Adam Smith, member of the U.S. House of Representatives
  • Doug Sutherland, former mayor of Tacoma and Washington State Commissioner of Public Lands

See also

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