ARLINGTON

Incorporation and early 20th century

Arlington was incorporated as a fourth-class city on May 20, 1903, including the remnants of Haller City (located north of modern-day Division Street). The incorporation came after a referendum on May 5, in which 134 of 173 voters approved the city's incorporation. The new city elected shingle mill owner John M. Smith as its first mayor. In the years following incorporation, Arlington gained a local bank, a cooperative creamery, a city park, a library, electricity, and telephone service.

During the early 20th century, Arlington's largest employers remained its shingle mills and saw mills. Other industries, including dairy processing, mechanical shops, stores, and factories, became prominent after World War I, during a period of growth for the city. The Great Depression of the 1930s forced all but one of the mills to close, causing unemployment to rise in Arlington and neighboring cities. The federal government established a Civilian Conservation Corps (CCC) camp near Darrington to create temporary jobs; the young men built structures and conducted firefighting in the Mount Baker National Forest. The Works Progress Administration and Civil Works Administration funded the construction of the city's sidewalks, a high school, and a municipal airport that opened in 1934.

The entry of the United States into World War II brought the U.S. Navy to Arlington, resulting in the conversion of the municipal airport into a naval air station in 1943. The Navy constructed new runways and hangars and, beginning in 1946, the municipal government was allowed to operate civilian and commercial services. Ownership of the airport was formally transferred from the federal government back to the city of Arlington in 1959.

On October 19, 1959, a Boeing 707-227 crashed on the banks of the Stillaguamish River's North Fork during a test flight, killing four of eight occupants. The plane, being flown by Boeing test pilots instructing personnel from Braniff International Airways, lost three engines and suffered a fire in the fourth after a dutch roll had been executed beyond maximum bank restrictions. The plane made an emergency landing in the riverbed while unsuccessfully trying to reach a nearby open field.

Suburbanization and present day

The completion of Interstate 5 and State Route 9 in the late 1960s brought increased residential development in Arlington, forming a bedroom community for commuters who worked in Everett and Seattle. Despite the influx of commuting residents, Arlington retained its small-town image while unsuccessfully attempting to lure new industries and a state college. Suburban housing developments began construction in the 1980s and 1990s, driving a 450 percent increase in Arlington's population to 15,000 by 2007. In 1999, Arlington annexed the community of Smokey Point, located along Interstate 5 to the southwest of the city, after a lengthy court battle with Marysville, which instead was permitted to annex Lakewood to the west. The city began developing a large business park around the municipal airport in the 1990s, bringing the city's number of jobs to a total of 11,000 by 2003.

The city of Arlington celebrated its centennial in 2003 with a parade, a festival honoring the city's history, sporting events, and musical and theatrical performances. The centennial celebrations culminated in the dedication of the $44 million Arlington High School campus, attended by an all-class reunion of the old school. In 2007, the city of Arlington renovated six blocks of downtown's Olympic Avenue at a cost of $4.4 million, widening sidewalks, improving street foliage, and adding new street lights. The project was credited with helping revitalize the city's downtown, turning Olympic Avenue into a gathering place for residents and a venue for festivals.

On March 22, 2014, a large landslide near Oso dammed the North Fork of the Stillaguamish River, with mud and debris covering an area of one square mile (2.6 km2). A total of 43 people were killed and nearly 50 structures destroyed. The landslide closed State Route 530 to Darrington, cutting the town off, leaving Arlington as the center of the coordinated emergency response to the disaster. Arlington was recognized for its role in aiding victims of the disaster and hosted U.S. President Barack Obama during his visit to the site in April.

The city has continued to grow in the late 2010s, with new apartment buildings constructed in Smokey Point, including those designed as retirement communities. The Cascade Industrial Center, located on 4,000 acres (1,600 ha) between Arlington and Marysville, was designated by the Puget Sound Regional Council in 2019 and is planned to house manufacturing and other industrial uses.