Bay Area Population Changes: 2010 - 2018 Per U.S. census estimates published 4/18/19 View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize Community, San Mateo, Silicon Valley, pupulation, bay areaLana TsarikaevaAugust 21, 2019U.S. census estimates, population, bay area, Alameda county, Santa Clara county, contra costa county, San Mateo county, marin county, Sonoma county, napa county Facebook0 Twitter Pinterest0 0 Likes