There are 59 cities in San Mateo County, California.

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City
Rank
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Grand Rapids1195,222198,698-0.43%4,36244.76
San Mateo298,152105,327-1.42%8,06412.17
Daly City397,057104,633-1.5%12,7027.64
Redwood City478,49284,131-1.27%4,07419.27
Wyoming576,47276,755-0.17%3,10524.63
South San Francisco661,73066,124-1.4%6,6919.23
Kentwood753,83754,274-0.22%2,57420.91
San Bruno839,90143,783-2%7,2895.47
Pacifica935,24138,496-1.78%2,78312.66
Menlo Park1031,78733,669-0.79%3,17510.01
Burlingame1131,32131,2701.23%7,1104.41
Foster City1230,92833,685-1.74%8,1483.80
San Carlos1328,60030,793-1.7%5,1885.51
Forest Hills1428,42528,690 57749.27
East Palo Alto1527,35529,931-1.84%10,8512.52
Belmont1625,70928,234-2.03%5,5484.63
Walker1724,87425,235-0.42%1,01224.58
Millbrae1821,57923,128-1.13%6,6383.25
Cutlerville1919,28117,988 3,3005.84
Grandville2015,64416,061-0.7%2,1597.25
Northview2115,42815,209 1,49810.30
Spearfish2214,03612,2224.16%85316.45
North Fair Oaks2313,71814,992 11,4511.20
East Grand Rapids2411,42011,3920.08%3,9002.93
Hillsborough2510,80811,358-0.68%1,7466.19
Half Moon Bay2610,76611,765-1.87%1,6756.43
Comstock Park2710,37910,659 2,6763.88
Byron Center286,9886,653 1,3755.08
Atherton296,7547,165-1.05%1,3435.03
Rockford306,1676,143-0.08%1,9133.22
El Granada315,6516,069 1,1704.83
Woodside324,8835,293-1.71%41611.73
Brisbane334,4414,838-1.73%1,4343.10
Emerald Lake Hills344,4254,893 3,7031.20
Broadmoor354,4194,140 9,7980.45
Sparta364,2504,243-0.19%1,7212.47
Portola Valley374,1404,441-1.24%4559.10
Lowell384,0634,144-0.71%1,4112.88
Cedar Springs393,6843,6320.27%1,8781.96
West Menlo Park403,4013,720 6,9840.49
Moss Beach413,1653,436 1,4102.24
Lead423,1072,9781.54%1,5102.06
Montara432,6492,833 6833.88
Driggs442,4322,0003.84%8342.92
Victor452,2682,1710.44%8572.65
Caledonia461,9641,6834.92%1,4651.34
North Spearfish471,7912,251 5783.10
Colma481,4901,544-1.97%7831.90
Ladera491,4271,385 3,1290.46
La Honda501,4221,229 3344.25
Kent City511,4211,2982.01%1,0611.34
Deadwood521,3311,1523.34%2704.93
Whitewood539918873.34%1,5560.64
Pescadero54349418 874.03
Casnovia553263180.93%3071.06
Tetonia56279309-3.79%4910.57
Loma Mar57112282 651.73
Central City58111983.74%7500.15
St. Onge591425 101.34
showing: 59 rows

Cities in San Mateo County, California by Population (2024)

What is the largest city in San Mateo County, California?

Grand Rapids is the largest city in San Mateo County.

What is the smallest city in San Mateo County, California?

St. Onge is the smallest city in San Mateo County.

How many cities are in San Mateo County?

There are 59 cities in San Mateo County, California.

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