Benton County, WA Demographics

The total population of Benton County is estimated to be 207,560 with 104,632 males (50.41%) and 102,928 females (49.59%). There are 1,704 less females than males in Benton County.
The median household income in Benton County was $82,811 in 2021, which marked an an increase of 1,173(1.44%) from $81,638 in 2020. This income is 111% 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, Benton County sees its highest median household income among householders in the age group of 45 to 64 years old, at $104,734. Overall, the median household income for the county of Benton County stands at $85,529.
In Benton County, the median income for all workers aged 15 years and older, regardless of work hours, was $51,326 for males and $30,166 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $71,174 for males and $49,044 for females.
In Benton County, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, Asian households have the highest median household income at $104,750, while Some Other Race households represent the opposite end with the lowest median household income of $57,174.
In 2022, the population of Benton County was 212,791, a 1.05% increase year-by-year from 2021. Previously, in 2021, Benton County's population was 210,585, an increase of 1.53% compared to a population of 207,413 in 2020.
The median age in Benton County, WA is 36.1, as per 2021 ACS 5-Year Estimates. Of the total population, 22.19% were under the age of 15, 19.52% aged 15 to 29, 43.38% aged 30 to 64, 13.27% aged 65 to 84, and 1.64% were 85 years of age and older.
Racial distribution of Benton County population: 78.04% are White, 1.71% are Black or African American, 0.85% are American Indian and Alaska Native, 3.03% are Asian, 0.14% are Native Hawaiian and other Pacific Islander, 8.37% are some other race and 7.87% are multiracial.