Population Forecast
5 year Forecast - 4.9%
The current population of the Yakima-Richland-Kennewick-Pasco, WA Market is 850,557 as of the January 2026 PopStats estimate. PopStat’s Trend models indicate a 5 year population change of 4.9%, resulting in a Population of 892,347 by January 2031. This percentage change in Population ranks 30th across STI Markets. The Yakima-Richland-Kennewick-Pasco, WA Market currently ranks 107th in overall population, and will rank 107th by January 2031.
High and Low Range - -0.3% to 11.6%
While the summation of mid range 5 year forecasts foresee a change in Population of 4.9% for Yakima-Richland-Kennewick-Pasco, WA Market. The forecast high ranges of these forecasts leaves open the possibility for a Population change as high as 11.6% at 949,280. Similarly a population change as low as -0.3% at 847,848 is not without possibility.
Figure 73: Population Trend and Forecast
10 year Projections - 10.6%
By January 2036 we project the Population of the Yakima-Richland-Kennewick-Pasco, WA Market to be 940,926 resulting in a change of 10.6% compared to the current Population. This projected percentage change in Population ranks 30th across STI Markets. The Yakima-Richland-Kennewick-Pasco, WA Market currently ranks 107th in overall population, and will rank 106th by January 2036.
