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Orange County Population by City

Find Orange County population estimates by city. There are 34 cities and over 3.1 million people residing in Orange County.

Anaheim, Irvine and Santa Ana are the most populated cities while Villa Park, Los Alamitos and La Palma are the least populated cities, respectively. Approximately 130,000 people reside in unincorporated areas of Orange County.

Orange County Population by City

Population estimates are for Orange County which incorporates 2010 census counts combined with current city and unincorporated area estimates.

Printable Excel/CSV version of Orange County Cities by Population, Area & Incorporation.

County / CityTotalHouseholdPersons per HouseholdArea Size (Sq. Mi.)
Aliso Viejo50,78250,3032.596.93
Buena Park83,43082,4483.2710.56
Costa Mesa111,394108,9522.5715.81
Dana Point32,94332,6972.286.753
Fountain Valley56,56456,1172.929.08
Garden Grove170,526168,5423.5417.98
Huntington Beach196,100195,1892.4623.33
Laguna Beach22,70622,6152.19.86
Laguna Hills30,75030,3732.776.57
Laguna Niguel64,31663,8832.4914.79
Laguna Woods17,51417,3431.453.336
La Habra61,79261,4453.047.56
Lake Forest86,77586,2492.8316.79
La Palma15,33215,3122.971.803
Los Alamitos11,87311,6252.694.07
Mission Viejo92,51591,5522.6818.03
Newport Beach83,72783,3162.1852.92
Rancho Santa Margarita47,27947,2772.7512.94
San Clemente63,38063,1012.5719.1
San Juan Capistrano34,79834,7092.914.43
Santa Ana308,459304,1633.8927.52
Seal Beach24,84624,5961.8411.8
Villa Park5,7825,7362.952.077
Yorba Linda67,23367,0392.919.86
Orange County Cities Total3,029,8082,980,1362.86
Unincorporated Total132,437131,6523.07
County Total3,162,2453,111,7882.87948
California Total39,185,60538,278,9152.81

Source: State of California, Department of Finance, E-5 Population and Housing Estimates for Cities, Counties and the State — January 1, 2011-2022. Sacramento, California, May 2022.

Cities: Aliso Viejo, Anaheim, Brea, Buena Park, Costa Mesa, Cypress, Dana Point, Fountain Valley, Fullerton, Garden Grove, Huntington Beach, Irvine, La Habra, La Palma, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Los Alamitos, Mission Viejo, Newport Beach, Orange, Placentia, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Santa Ana, Seal Beach, Stanton, Tustin, Villa Park, Westminster, Yorba Linda

Unincorporated Places: See full unincorporated list here.

ZIP Codes: 90620, 90621, 90623, 90630, 90631, 90638, 90680, 90720, 90740, 90742, 90743, 90808, 90815, 92530, 92602, 92603, 92604, 92606, 92610, 92612, 92614, 92617, 92618, 92620, 92624, 92625, 92626, 92627, 92629, 92630, 92637, 92646, 92647, 92648, 92649, 92651, 92653, 92655, 92656, 92657, 92660, 92661, 92662, 92663, 92672, 92673, 92675, 92676, 92677, 92678, 92679, 92683, 92688, 92691, 92692, 92694, 92701, 92703, 92704, 92705, 92706, 92707, 92708, 92780, 92782, 92801, 92802, 92804, 92805, 92806, 92807, 92808, 92821, 92823, 92831, 92832, 92833, 92835, 92840, 92841, 92843, 92844, 92845, 92861, 92865, 92866, 92867, 92868, 92869, 92870, 92886, 92887

See full ZIP Code list here.

Orange County City Mottoes: See City motto list here.

Unified School Districts: Brea-Olinda, Capistrano, Garden Grove, Irvine, Laguna Beach, Los Alamitos, Newport-Mesa, Orange, Placentia-Yorba Linda, Saddleback Valley, Santa Ana, Tustin

Elementary School Districts: Anaheim, Buena Park, Centralia, Cypress, Fountain Valley, Fullerton, Huntington Beach City, La Habra City, Lowell, Magnolia, Ocean View, Savanna, Westminster

Secondary School Districts: Anaheim, Fullerton, Huntington Beach

Congressional Districts: CA-38, CA-39, CA-45, CA-46, CA-47, CA-48, CA-49

State Senate Districts: CA-29, CA-32, CA-34, CA-36, CA-37

Assembly Districts: CA-55, CA-65, CA-68, CA-69, CA-72, CA-73, CA-74

Neighboring Counties: Los Angeles, Riverside, San Bernardino, San Diego

Joe Wallace
Joe Wallace has been covering real estate, mortgage and financial topics since 1995. His work has appeared on ABC, USA Today, The Pentagon Channel, plus a variety of print and online publications. He is a 13-year veteran of the United States Air Force and a former reporter for Air Force Television News.