Orange County, California, is a stunning coastal region along the Pacific Ocean, home to a variety of vibrant cities, each with its own unique charm. From iconic attractions and scenic beaches to thriving communities, there’s something for everyone. In this guide, we’ll explore the ten largest cities in Orange County and what makes them stand out, along with a glimpse at the county’s three smallest cities.

1. Anaheim

Population: Around 346,824 | Disneyland at Night

Anaheim is most famous for being the location of Disneyland Resort, which features both Disneyland Park and Disney California Adventure Park. It's also a paradise for sports enthusiasts, with the Los Angeles Angels and Anaheim Ducks calling it home. With its lively neighborhoods and excellent amenities, Anaheim is a dynamic city brimming with energy and potential.

Santa Ana serves as a vibrant cultural hub, home to renowned attractions such as the Bowers Museum and the Discovery Cube Orange County. Its historic downtown boasts stunning Spanish-style architecture, eclectic art galleries, and a diverse culinary scene. The city seamlessly blends the old with the new, featuring charming neighborhoods with century-old homes alongside modern condominium developments.

3. Irvine 

Population: Approximately 307,670  

Irvine is a meticulously designed master-planned community renowned for its safety, top-rated schools, and lush green spaces. Home to the prestigious University of California, Irvine, the city seamlessly blends modern conveniences with scenic parks and trails. Consistently ranked among the best places to live, Irvine offers an exceptional quality of life, making it an ideal destination for families, professionals, and students alike.

4. Huntington Beach

Population: Approximately 198,711

Known as “Surf City USA,” Huntington Beach is a coastal paradise celebrated for its world-class surf culture and breathtaking shoreline. The iconic Huntington Beach Pier, one of the longest on the West Coast, serves as a focal point for visitors and locals alike. With nearly 10 miles of pristine beaches, this vibrant city offers a relaxed coastal lifestyle, perfect for outdoor enthusiasts who enjoy surfing, beachside biking, and waterfront dining.

5. Garden Grove

Population: Approximately 171,949

Garden Grove is a dynamic city known for its rich cultural diversity and historic landmarks, including the renowned Christ Cathedral, formerly the Crystal Cathedral. Each year, the city embraces its agricultural roots with the beloved Strawberry Festival, a vibrant celebration of community and tradition. With its central location, thriving culinary scene, and welcoming atmosphere, Garden Grove offers residents a unique blend of history, culture, and modern convenience.

6. Fullerton

Population: Approximately 143,617

Fullerton is a dynamic city known for its vibrant downtown, rich history, and strong educational presence, anchored by California State University, Fullerton. A hub for arts and live music, the city offers a thriving creative scene, along with a variety of dining and entertainment options. Fullerton’s diverse neighborhoods feature a mix of architectural styles, including mid-century modern homes designed by Joseph Eichler and Cliff May, adding to its charm and appeal.

7. Orange

Population: Approximately 139,911

Orange seamlessly blends historic charm with contemporary living, best showcased in its Old Towne District, where vintage architecture, antique shops, and vibrant local eateries create a timeless atmosphere. Home to Chapman University, the city fosters a strong sense of community through year-round events, bustling markets, and cultural celebrations. Additionally, Orange boasts three distinct neighborhoods featuring iconic Joseph Eichler homes, making it a haven for mid-century modern enthusiasts.

8. Costa Mesa

Population: Approximately 111,918

Costa Mesa is a lively cultural and shopping destination, home to the acclaimed Segerstrom Center for the Arts and South Coast Plaza, one of the largest and most prestigious shopping centers in the nation. Offering a perfect balance of urban energy and coastal proximity, the city provides residents with a vibrant lifestyle. Over the years, Costa Mesa has evolved into a family-friendly community, boasting top-rated schools and well-organized youth sports programs like Costa Mesa Little League and AYSO, making it an ideal place to live, work, and play.

9. Mission Viejo

Population: Approximately 93,653

Mission Viejo is a picturesque, family-oriented community known for its scenic beauty and welcoming atmosphere. At the heart of the city lies Lake Mission Viejo, offering residents a tranquil retreat for outdoor recreation and waterfront activities. With top-rated schools, well-maintained parks, and a strong sense of community, Mission Viejo is an ideal place for families and retirees alike. The city also features two exceptional 55+ communities, Casta Del Sol and Palmia, both providing resort-style amenities and exclusive access to Lake Mission Viejo, enhancing the quality of life for active adults.

10. Westminster

Population: Approximately 90,911

Westminster is celebrated for its rich cultural diversity, particularly as the heart of Little Saigon, home to one of the largest Vietnamese communities in the U.S. The city is renowned for its authentic cuisine, bustling markets, and vibrant cultural festivals that showcase its deep-rooted heritage. With a welcoming atmosphere and a strong sense of community, Westminster offers residents a unique and dynamic place to call home.


Orange County’s Smallest Cities

While Orange County is known for its bustling metropolitan areas, it is also home to a few small, charming communities that provide a more tranquil and intimate lifestyle.

1. Villa Park

Population: Approximately 5,843

Tucked away in the heart of Orange County, Villa Park is a serene, residential enclave prized for its spacious properties, lush tree-lined streets, and strong sense of community. Often called “The Hidden Jewel” of the county, this exclusive city offers a quiet, suburban retreat while still being conveniently close to major amenities, making it an ideal haven for those seeking privacy and a slower pace of life.

2. Los Alamitos

Population: Approximately 11,780

Los Alamitos is a close-knit community known for its outstanding schools, vibrant local culture, and deep military ties. Home to the Joint Forces Training Base, the city plays a significant role in national defense while also fostering a strong sense of civic pride. Additionally, Los Alamitos is recognized for its exceptional high school sports programs, making it a desirable place for families and sports enthusiasts alike.

3. Laguna Beach

Population: Approximately 23,032

Laguna Beach is a breathtaking coastal gem celebrated for its thriving arts scene, pristine beaches, and vibrant cultural atmosphere. Home to the world-renowned Pageant of the Masters, the city attracts artists, creatives, and visitors from around the globe. Its unique topography, with rolling hills and dramatic cliffs, allows for an abundance of ocean-view homes, offering residents unparalleled panoramic vistas of the Pacific. With a perfect blend of natural beauty, artistic expression, and a relaxed seaside lifestyle, Laguna Beach is truly one of Orange County’s most distinctive and desirable communities.

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