Carnation sits where the Tolt River meets the Snoqualmie, and for a long time it was called Tolt. HistoryLink describes it as a rural community along the Snoqualmie River in eastern King County. OFM’s April 1, 2026 estimate counts 2,415 residents, up from 2,158 in the 2020 Census. Carnation has a downtown along the Snoqualmie Valley, farmland nearby and Tolt-MacDonald Park at the river confluence.
Tolt-MacDonald Park
King County’s Tolt-MacDonald Park and Campground sits at the confluence of the Snoqualmie and Tolt rivers, at the south end of Carnation. A 500-foot suspension footbridge crosses the Snoqualmie to twelve miles of forested and riverside trails, which connect to trails in the adjacent Ames Lake Forest. The park has seasonal camping. In fall, King County notes, visitors can watch chinook salmon spawning below while eagles and osprey fly overhead.
King County writes that the park was built for the nation’s 1976 bicentennial, with thousands of Boy Scout volunteers and an Army Reserve unit building the suspension bridge.
The Snoqualmie Valley Trail
From the park, King County points cyclists in the other direction, to the 27-mile gravel Snoqualmie Valley Trail, for a ride past local farms.
From Tolt to Carnation
HistoryLink writes that the confluence has been the main village site for the Snoqualmie tribe for thousands of years. The name Tolt comes from the Snoqualmie “Tolthue,” meaning river of swift waters, HistoryLink adds. The town was platted on May 6, 1902, and incorporated on New Year’s Eve 1912. Railroads arrived in 1910 and 1911.
Dairy put the town on the map. In 1910, Elbridge Amos Stuart started a research herd of Holstein cows for Carnation Dairy here, and the valley became known as the “Home for Contented Cows.” In 1917 Tolt renamed itself Carnation after the farms. The name went back to Tolt in 1928, but the depot and post office kept Carnation, and in 1951 the town settled on Carnation for good. HistoryLink adds that some people still call it Tolt.
Living here
Cross the suspension bridge at Tolt-MacDonald, ride the valley trail past dairy country, and you’ll see why some still call it Tolt. Chase Hedin is a Managing Broker who works out of Woodinville. If you’re deciding between Carnation and Duvall or Redmond, or want to sell, he can help. Start a conversation · What’s my home worth?