Santa Monica, California City in California City of Santa Monica Santa Monica's Ocean Avenue at sunset Seal Nickname(s): SaMo[1] Motto(s): Populus felix in urbe felice (Latin) (English: "Happy people in a happy city", or alternatively "Fortunate people in a fortunate land")[2] Location in Los Angeles County and the state of California Santa Monica, California Location in the United States Coordinates: 34°01′19″N 118°28′53″W Country United States of America State California County Los Angeles Spanish encampment August 3, 1769 Incorporated November 30, 1886[3] Named for Saint Monica Government • Type Council–manager[4] • Mayor Ted Winterer[5] Area[6] • Total 8.42 sq mi (21.80 km2) • Land 8.41 sq mi (21.80 km2) • Water 0.00 sq mi (0.00 km2) Elevation[7] 105 ft (32 m) Population (2010)[8] • Total 89,736 • Estimate (2016)[9] 92,478 • Density 10,989.66/sq mi (4,243.04/km2) Time zone Pacific (UTC-8) • Summer (DST) PDT (UTC-7) ZIP codes 90401–90411 Area codes 310/424 FIPS code 06-70000[10] GNIS feature IDs 1652792, 2411825[11] Website www.smgov.net