Yorba Linda, California City Seal Motto(s): Land of gracious living[1] Location within California and Orange County Coordinates: 33.888551°N 117.813231°W Country United States State California County Orange Incorporated November 2, 1967[2] Government • City Council Mayor Peggy Huang • City manager Mark Pulone Area[3] • Total 19.86 sq mi (51.44 km2) • Land 19.31 sq mi (50.01 km2) • Water 0.55 sq mi (1.44 km2) 2.67% Elevation[4] 381 ft (116 m) Population (2010)[5] • Total 64,234 • Estimate (2016)[6] 68,235 • Density 3,534.03/sq mi (1,364.48/km2) Demonym(s) Yorba Lindan Time zone Pacific (UTC−8) • Summer (DST) PDT (UTC−7) ZIP codes 92885–92887 Area codes 657/714 FIPS code 06-86832 GNIS feature IDs 1652817, 2412321 Flower Rose Tree Avocado Website ci.yorba-linda.ca.us