Orange County Population By City - Enjoy OC

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

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

JoeWallaceJoe Wallace has been covering real estate, mortgage and financial topics since 1995. His work has appeared on ABC, USA Today, The Pentagon Channel, Veteran.com 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.