The racial and ethnic makeup of Thurston County continues to become more diverse. For 2015-2019, 82% of Thurston County residents classified themselves as "White alone." Those who identified as either Asian or of two or more races comprised the largest minority groups.
The Chehalis and Nisqually Reservations are the most diverse communities in the region. Lacey continues to be the most diverse of Thurston County's cities and towns, with only 71% identifying as white alone.
The Hispanic and Latino population in Thurston County, which may include persons of any race, is also increasing, growing from 5% in 2000 to 10% for 2015-2019.