Seattle Population 2024 Estimates. Seattle’s population grew by nearly 6,000 people from 749,134 to 755,078, or about 0.8%, between july 2022 and july 2023. Census bureau show that fewer people are leaving.
According to the report’s estimates, seattle’s population increased by 5,944, or 0.8%, from july 1, 2022, to july 1, 2023. New estimates from the u.s.