Snohomish County was created out of Island County on January 14, 1861.
For higher education, currently, Snohomish county ranks as one of the the largest populated counties in the USA without a four-year baccalaureate- and advanced-degree-granting institution.
As of the census² of 2000, there were 606,024 people, 224,852 households, and 157,846 families residing in the county. The population density was 290 people per square mile (112/km²). There were 236,205 housing units at an average density of 113 per square mile (44/km²). The racial makeup of the county was 85.63% White, 1.67% Black or African American, 1.36% Native American, 5.78% Asian, 0.28% Pacific Islander, 1.92% from other races, and 3.36% from two or more races. 4.72% of the population were Hispanic or Latino of any race. 16.2% were of German, 10.0% English, 8.8% Irish, 8.4% Norwegian and 6.6% United States or American ancestry according to Census 2000.
There were 224,852 households out of which 37.30% had children under the age of 18 living with them, 56.00% were married couples living together, 9.80% had a female householder with no husband present, and 29.80% were non-families. 22.60% of all households were made up of individuals and 6.50% had someone living alone who was 65 years of age or older. The average household size was 2.65 and the average family size was 3.13.
In the county, the population was spread out with 27.40% under the age of 18, 8.50% from 18 to 24, 33.00% from 25 to 44, 22.00% from 45 to 64, and 9.10% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 100.10 males. For every 100 females age 18 and over, there were 98.20 males.
The median income for a household in the county was $53,060, and the median income for a family was $60,726. Males had a median income of $43,293 versus $31,386 for females. The per capita income for the county was $23,417. About 4.90% of families and 6.90% of the population were below the poverty line, including 7.60% of those under age 18 and 7.80% of those age 65 or over.
Mountains, Rivers and Lakes in Snohomish County
Cascade Mountains
Glacier Peak, highest point in Snohomish County
Mount Pilchuck
Three Fingers
Whitehorse Mountain
Skykomish River
Snohomish River
Snoqualmie River
Stillaguamish River
Major Bodies of Water
Lake Cavanaugh
Lake Goodwin
Lake Stevens
Port Susan
Puget Sound
Silver Lake
Spada Lake
Tulalip Bay
Islands
Adjacent Counties in Snohomish County
Skagit County, Washington - north
Chelan County, Washington - east
King County, Washington - south
Island County, Washington - west
Major Highways in Snohomish County
Interstate 5
Interstate 405
U.S. Route 2
State Route 9
State Route 99
State Route 522
State Route 525 (Mukilteo Speedway)
State Route 526 (Boeing Freeway)
State Route 527 (Bothell-Everett Highway)
Towns and Cities in Snohomish County
Arlington
Bothell
Brier
Darrington
Edmonds
Everett
Gold Bar
Granite Falls
Index
Lake Stevens
Lynnwood
Marysville
Mill Creek
Monroe
Mountlake Terrace
Mukilteo
Snohomish
Stanwood
Sultan
Woodway
