Emergency Biohazard Cleanup Near Harmony Happy Valley, OR

Happy Valley is a suburban city in Clackamas County, about 13 miles southeast of downtown Portland in the Portland metropolitan area.

Happy Valley was first settled by Christian and Matilda Deardorff, who claimed 640 acres under the Donation Land Claim Act of 1850 between Mount Scott and Scouters Mountain.

The settlement was known as Deardorff Valley and most popularly as Christilla Valley, a name combining Chris from Christian and Tilla from Matilda.

The name Happy Valley came into formal use in 1954, when patrons of the East Mount Scott school district voted to rename the school Happy Valley, and it became the city's official name when the city incorporated in 1965.

Happy Valley remained a small community until the late 1990s, when it became one of the fastest-growing cities in Oregon.

At the 2020 census, Happy Valley had a population of 23,733, with 7,813 households and 6,233 families, up from 13,903 in 2010.

Happy Valley's own ZIP code is 97086.

Mount Scott, an extinct volcano in the Boring Lava Field, is the highest point in Happy Valley at 1,050 feet, and Scouters Mountain is another prominent feature.

Happy Valley covers about 11.97 square miles and borders Portland, Clackamas, Damascus, Pleasant Valley, and Sunnyside.

Happy Valley is served by the North Clackamas School District, which operates two high schools, two middle schools, and eight elementary schools in the city.