Population Forecast
5 year Forecast - 3.9%
The current population of the Seattle-Bellingham, WA Market is 3,734,172 as of the April 2025 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 3.9%, resulting in a Population of 3,879,895 by April 2030. This percentage change in Population ranks 54th across STI Markets. The Seattle-Bellingham, WA Market currently ranks 22nd in overall population, and will rank 22nd by April 2030.
High and Low Range - -1.5% to 11.2%
While the summation of mid range 5 year forecasts foresee a change in Population of 3.9% for Seattle-Bellingham, WA Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 11.2% at 4,154,146. Similarly a population change as low as -1.5% at 3,676,599 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 8.3%
By April 2035 we project the Population of the Seattle-Bellingham, WA Market to be 4,045,615 resulting in a change of 8.3% compared to the current Population. This projected percentage change in Population ranks 54th across STI Markets. The Seattle-Bellingham, WA Market currently ranks 22nd in overall population, and will rank 22nd by April 2035.
