Here's a look at the top counties for population growth in Washington. King County was one the nation's fastest-growing counties throughout the 2010s, but relinquished its position once the ...

Thirteen Washington counties saw double-digit declines in the number of children under 5. In Yakima County, for example, the under-5 population fell by 14.5%, or about 3,100 kids. There were ...

Asotin, Skamania, Ferry, Columbia, Garfield and Wahkiakum Counties grew the least, according to Washington State Standard, with each adding fewer than 100 people. Seattle’s population grew by ...

WASHINGTON — Washington state’s population has officially grown to ... growth occurred in the five largest metropolitan counties, according to a statement. The OFM’s report said births ...