The racial and ethnic makeup of Thurston County continues to become more diverse. For the 2014-2018 average, 84% 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 72% identifying as white alone.
The Hispanic and Latino population in Thurston County, which may include persons of any race, is also increasing, growing from 7% to 9% between 2010 and 2018.