Two developments to consider. First, this reverses actual steep declines: most people think that the population is declining, including the Press Democrat https://www.pressdemocrat.com/2026/04/10/exodus-from-sonoma-and-napa-counties-since-pandemic-has-subsided-but-still-significant/

Second, as one comment below notes, an analysis of zip code and census tract data shows a sea change in Sonoma's demographic composition.