Snohomish County, WA Demographics

The total population of Snohomish County is estimated to be 828,337 with 418,342 males (50.50%) and 409,995 females (49.50%). There are 8,347 less females than males in Snohomish County.
The median household income in Snohomish County was $103,355 in 2021, which marked an an increase of 2,196(2.17%) from $101,159 in 2020. This income is 138.53% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Snohomish County sees its highest median household income among householders in the age group of 25 to 44 years old, at $121,799. Overall, the median household income for the county of Snohomish County stands at $101,532.
In Snohomish County, the median income for all workers aged 15 years and older, regardless of work hours, was $61,814 for males and $40,417 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $82,859 for males and $65,803 for females.
In Snohomish County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, American Indian and Alaska Native households have the highest median household income at $137,981, while Some Other Race households represent the opposite end with the lowest median household income of $74,307.
In 2022, the population of Snohomish County was 840,079, a 0.48% increase year-by-year from 2021. Previously, in 2021, Snohomish County's population was 836,037, an increase of 0.74% compared to a population of 829,869 in 2020.
The median age in Snohomish County, WA is 38.2, as per 2021 ACS 5-Year Estimates. Of the total population, 18.90% were under the age of 15, 18.25% aged 15 to 29, 49.29% aged 30 to 64, 12.07% aged 65 to 84, and 1.50% were 85 years of age and older.
Racial distribution of Snohomish County population: 71.01% are White, 3.37% are Black or African American, 0.87% are American Indian and Alaska Native, 11.69% are Asian, 0.42% are Native Hawaiian and other Pacific Islander, 3.79% are some other race and 8.86% are multiracial.