
Washington county named among top 10 fastest-growing in U.S.
Mason County, whose largest city is Shelton, was named the 10th fastest-growing micro area in the U.S. by numeric growth. The western Washington county grew from a population of 69,759 in July 2024 to 71,165 by July 2025 — an increase of 1,406 people.
https://mynorthwest.com/lifestyle/washington-counties-growing/4237147