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<br /> <br />San Mateo County Profile <br /> <br />4.4 DEMOGRAPHICS <br />4.4.1 Population Characteristics <br />San Mateo County has the 14th largest population of California’s 58 counties, with an estimated 2020 population <br />of 773,244. The sections below provide details on population history and distribution by jurisdiction within the <br />planning areas. <br /> <br />Recent Population by Jurisdiction <br />Table 4-6 shows the population of the County and its incorporated cities from 1990 to 2020. Daly City and the <br />City of San Mateo are the largest cities in San Mateo County, together accounting for 27.6 percent of the planning <br />area’s population in 2010 and 27.4 percent in 2020. Unincorporated areas accounted for 8.6 percent of the <br />planning area’s population in 2010 and about 8.5 percent in 2020. Overall growth in unincorporated areas was <br />about 7.3 percent from 2010 to 2020; Daly City grew about 8.0 percent during the same timeframe, and the City <br />of San Mateo grew by about 6.0 percent. <br /> <br />Table 4-6. Recent Population by Jurisdiction <br /> Population <br />1990 2000 2010 2020 <br />Atherton 7,163 7,194 6,914 6,942 <br />Belmont 24,165 25,123 25,835 26,669 <br />Brisbane 2,952 3,597 4,282 4,621 <br />Burlingame 26,666 28,158 28,806 30,068 <br />Colma 1,103 1,187 1,454 1,678 <br />Daly City 92,088 103,625 101,072 108,767 <br />East Palo Alto 23,451 29,506 28,155 30,630 <br />Foster City 28,176 28,803 30,567 33,025 <br />Half Moon Bay 8,886 11,842 11,324 12,404 <br />Hillsborough 10,667 10,825 10,825 11,442 <br />Menlo Park 28,403 30,785 32,026 35,120 <br />Millbrae 20,414 20,718 21,532 22,742 <br />Pacifica 37,670 38,392 37,234 38,267 <br />Portola Valley 4,195 4,462 4,353 4,598 <br />Redwood City 66,072 75,402 76,815 86,444 <br />San Bruno 38,961 40,165 41,114 45,392 <br />San Carlos 26,382 27,718 28,406 30,067 <br />San Mateo 85,619 92,482 97,207 102,766 <br />S. San Francisco 54,312 60,552 63,632 67,730 <br />Woodside 5,034 5,352 5,287 5,670 <br />Unincorporated 57,244 61,275 61,611 66,019 <br />Total 649,623 707,163 718,451 771,061 <br />Source: California Department of Finance, 2021 <br /> <br /> <br /> <br /> <br /> <br /> <br />4-13