Other pages about the topic: Estimates
The standards for data collection and reporting on race and ethnicity have changed
The Federal Office of Management and Budget has issued new standards for the reporting of federal race and ethnicity data through Statistical Policy Directive 15 (SPD15). See Race and Ethnicity Information page for more information.
Intercensal estimates
Intercensal estimates are estimates that are bracketed on both sides by decennial census or state-certified special census counts. As such, they yield a more consistent series than postcensal estimates which only reference the prior census point. (Last updated March 21, 2024)
RCW 43.62.030 states that the Office of Financial Management shall annually determine the April 1 populations of all cities and towns of the state. OFM population estimates for cities and towns are used in state program administration and in the allocation of selected state revenues (RCW 43.62.020). Population estimates for counties are used to allocate revenues as specified in RCW 36.13.100 and RCW 43.62.030.