In 2019, Kelso, WA had a population of 12.1k people with a median age of 35.2 and a median household income of $39,044. Between 2018 and 2019 the population of Kelso, WA grew from 11,983 to 12,123, a 1.17% increase and its median household income grew from $37,450 to $39,044, a 4.26% increase.
The 5 largest ethnic groups in Kelso, WA are White (Non-Hispanic) (75.4%), White (Hispanic) (9.69%), Two+ (Non-Hispanic) (3.84%), American Indian & Alaska Native (Hispanic) (2.76%), and Two+ (Hispanic) (2.34%). 0% of the households in Kelso, WA speak a non-English language at home as their primary language.
94.2% of the residents in Kelso, WA are U.S. citizens.
In 2019, the median property value in Kelso, WA was $148,100, and the homeownership rate was 49.9%. Most people in Kelso, WA drove alone to work, and the average commute time was 20.6 minutes. The average car ownership in Kelso, WA was 2 cars per household.