Whatcom County, WA Demographics

The total population of Whatcom County is estimated to be 226,523 with 112,654 males (49.73%) and 113,869 females (50.27%). There are 1,215 more females than males in Whatcom County.
The median household income in Whatcom County was $75,676 in 2021, which marked an an increase of 1,546(2.09%) from $74,130 in 2020. This income is 101.43% 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, Whatcom County sees its highest median household income among householders in the age group of 45 to 64 years old, at $96,652. Overall, the median household income for the county of Whatcom County stands at $79,220.
In Whatcom County, the median income for all workers aged 15 years and older, regardless of work hours, was $44,328 for males and $31,433 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $68,322 for males and $53,673 for females.
In Whatcom County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, Asian households have the highest median household income at $92,556, while Two or More Races households represent the opposite end with the lowest median household income of $63,775.
In 2022, the population of Whatcom County was 230,677, a 1.75% increase year-by-year from 2021. Previously, in 2021, Whatcom County's population was 226,718, a decline of 0.31% compared to a population of 227,430 in 2020.
The median age in Whatcom County, WA is 37.8, as per 2021 ACS 5-Year Estimates. Of the total population, 16.08% were under the age of 15, 24.14% aged 15 to 29, 42.28% aged 30 to 64, 15.76% aged 65 to 84, and 1.74% were 85 years of age and older.
Racial distribution of Whatcom County population: 81.30% are White, 0.96% are Black or African American, 2.38% are American Indian and Alaska Native, 4.24% are Asian, 0.26% are Native Hawaiian and other Pacific Islander, 3.66% are some other race and 7.19% are multiracial.