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 / City | Total | Household | Persons per Household | Area Size (Sq. Mi.) |
|---|---|---|---|---|
| Aliso Viejo | 50,782 | 50,303 | 2.59 | 6.93 |
| Anaheim | 341,245 | 337,509 | 3.16 | 50.88 |
| Brea | 46,872 | 46,730 | 2.72 | 12.21 |
| Buena Park | 83,430 | 82,448 | 3.27 | 10.56 |
| Costa Mesa | 111,394 | 108,952 | 2.57 | 15.81 |
| Cypress | 49,810 | 49,297 | 2.98 | 6.62 |
| Dana Point | 32,943 | 32,697 | 2.28 | 6.753 |
| Fountain Valley | 56,564 | 56,117 | 2.92 | 9.08 |
| Fullerton | 142,732 | 138,358 | 2.85 | 22.44 |
| Garden Grove | 170,526 | 168,542 | 3.54 | 17.98 |
| Huntington Beach | 196,100 | 195,189 | 2.46 | 23.33 |
| Irvine | 310,250 | 293,165 | 2.58 | 65.92 |
| Laguna Beach | 22,706 | 22,615 | 2.1 | 9.86 |
| Laguna Hills | 30,750 | 30,373 | 2.77 | 6.57 |
| Laguna Niguel | 64,316 | 63,883 | 2.49 | 14.79 |
| Laguna Woods | 17,514 | 17,343 | 1.45 | 3.336 |
| La Habra | 61,792 | 61,445 | 3.04 | 7.56 |
| Lake Forest | 86,775 | 86,249 | 2.83 | 16.79 |
| La Palma | 15,332 | 15,312 | 2.97 | 1.803 |
| Los Alamitos | 11,873 | 11,625 | 2.69 | 4.07 |
| Mission Viejo | 92,515 | 91,552 | 2.68 | 18.03 |
| Newport Beach | 83,727 | 83,316 | 2.18 | 52.92 |
| Orange | 137,676 | 132,007 | 2.89 | 25.81 |
| Placentia | 51,204 | 50,859 | 3 | 6.63 |
| Rancho Santa Margarita | 47,279 | 47,277 | 2.75 | 12.94 |
| San Clemente | 63,380 | 63,101 | 2.57 | 19.1 |
| San Juan Capistrano | 34,798 | 34,709 | 2.9 | 14.43 |
| Santa Ana | 308,459 | 304,163 | 3.89 | 27.52 |
| Seal Beach | 24,846 | 24,596 | 1.84 | 11.8 |
| Stanton | 39,275 | 38,917 | 3.33 | 3.1 |
| Tustin | 79,535 | 79,004 | 2.89 | 11.12 |
| Villa Park | 5,782 | 5,736 | 2.95 | 2.077 |
| Westminster | 90,393 | 89,708 | 3.29 | 10.04 |
| Yorba Linda | 67,233 | 67,039 | 2.9 | 19.86 |
| Orange County Cities Total | 3,029,808 | 2,980,136 | 2.86 | |
| Unincorporated Total | 132,437 | 131,652 | 3.07 | |
| County Total | 3,162,245 | 3,111,788 | 2.87 | 948 |
| California Total | 39,185,605 | 38,278,915 | 2.81 |
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
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
