Washington’s population swelled to more than 7 million people last year, according to new data from the U.S. Census Bureau.

The census bureau recently released estimates of how the population of U.S. counties and cities changed between July 1, 2013 and July 1, 2014. In that time, Whatcom County grew by 1.2 percent, adding 2,103 residents. The estimated total population of the County as of July 1, 2014 was 208,351. The 2010 census counted 201,140 residents in Whatcom County.

The fastest-growing counties in Washington during that time period were Kittitas County (1.8 percent), Snohomish County (1.8 percent), Clark County (1.7 percent), King County (1.6 percent) and Pierce County (1.4 percent).

Numerically, King County grew the most with 33,011 new residents. Snohomish County ranked second in the state, adding 13,137 people and Pierce County was third with an increase of 11,709.

The populations of Lincoln County, Grays Harbor County, Garfield County and Columbia County decreased during the study period.

The state added 87,788 residents from July 1, 2013 to July 1, 2014, according to the numbers, and it now has an estimated population of 7,061,530. The 2010 census counted 6,724,543 in the state.