Cities and Towns in Sonoma County, California

Founded in 1850, Sonoma County is one of 58 counties in the state of California. The city of Santa Rosa is the county seat. With FIPS code of 97, Sonoma County has a population of 485,887 and area of 1,576 square miles (4,082 km²).

List of all cities in Sonoma County, CA alphabetically

City/Town Postal Code Area Code
Agua Caliente, CA 95476 707
Annapolis, CA 95412 707
Asti, CA 95425 707
B H Springs, CA 95416 707
Bloomfield, CA 94952 707
Bodega, CA 94922 707
Bodega Bay, CA 94923 707
Boyes Hot Springs, CA 95416 707
Boyes Springs, CA 95416 707
Camp Meeker, CA 95419 707
Cazadero, CA 95421 707
Cloverdale, CA 95425 707
Cotati, CA 94926 707
94927 707
94928 707
94931 707
Duncans Mills, CA 95430 707
El Verano, CA 95433 707
Eldridge, CA 95431 707
Fallon, CA 94952 707
Fetters Hot Springs, CA 95416 707
Forestville, CA 95436 707
Fort Ross, CA 95450 707
Freestone, CA 95472 707
Fulton, CA 95439 707
Geyserville, CA 95441 707
Glen Ellen, CA 95442 707
Graton, CA 95444 707
Guerneville, CA 95446 707
Guernewood, CA 95446 707
Healdsburg, CA 95448 707
Jenner, CA 95450 707
Kenwood, CA 95409 707
Kenwood, CA 95452 707
Lakeville, CA 94952 707
Larkfield, CA 95403 707
Monte Rio, CA 95462 707
Occidental, CA 95465 707
Penngrove, CA 94951 707
Petaluma, CA 94952 707
94953 707
94954 707
94955 707
94975 707
94999 707
Rio Nido, CA 95471 707
Rohnert Park, CA 94926 707
94927 707
94928 707
Roseland, CA 95407 707
Russian River, CA 95462 707
Russian River Meadows, CA 95462 707
Salmon Creek, CA 94923 707
Santa Rosa, CA 95401 707
95402 707
95403 707
95404 707
95405 707
95406 707
95407 707
95409 707
Schellville, CA 95476 707
Sebastopol, CA 95472 707
95473 707
Sheridan, CA 95486 707
Sonoma, CA 95476 707
State Farm Insurance, CA 94926 707
Stewarts Point, CA 95480 707
Stewarts Point Rancheria, CA 95480 707
The Geysers, CA 95425 707
The Sea Ranch, CA 95497 707
Two Rock Coast Guard Station, CA 94952 707
Two Rock Ranch Station, CA 94952 707
Valley Ford, CA 94972 707
Villa Grande, CA 95486 707
Vineburg, CA 95487 707
Windsor, CA 95492 707

Major Cities and Towns in Sonoma County, California

Santa Rosa

Area, Population, and Geography

  • Area: 41.5 square miles
  • Population: Approximately 178,000 (2023 estimate)
  • Zip Codes: 95401-95409
  • Latitude: 38.4404° N
  • Longitude: 122.7141° W

City Location and History

Santa Rosa, the county seat of Sonoma County, is located in the heart of California’s wine country, about 55 miles north of San Francisco. Established in 1833 as a Mexican land grant, the city was named after Saint Rose of Lima, the patron saint of Latin America. Santa Rosa grew rapidly during the late 19th century, particularly after the arrival of the railroad, which connected the city to San Francisco and beyond. The city’s growth was further fueled by its position as a central hub for the surrounding agricultural region, particularly in wine production, which remains a cornerstone of the local economy today. Despite being heavily damaged by the 1906 San Francisco earthquake and more recently by the 2017 Tubbs Fire, Santa Rosa has rebuilt and continues to thrive as a cultural and economic center in Sonoma County.

Major Schools and Landmarks

Santa Rosa is home to several major educational institutions, including Santa Rosa Junior College, one of the oldest community colleges in California. The city boasts numerous landmarks, such as the historic Luther Burbank Home and Gardens, which was once the residence of the famed horticulturist. The Charles M. Schulz Museum celebrates the life and work of the creator of the “Peanuts” comic strip, who lived in Santa Rosa for much of his life. The downtown area features a vibrant arts scene with theaters, galleries, and restaurants, while the nearby Annadel State Park and Spring Lake Regional Park offer extensive trails for hiking, biking, and nature watching.

Petaluma

Area, Population, and Geography

  • Area: 14.5 square miles
  • Population: Approximately 62,000 (2023 estimate)
  • Zip Codes: 94952-94955, 94975
  • Latitude: 38.2324° N
  • Longitude: 122.6367° W

City Location and History

Petaluma is located in the southern part of Sonoma County, approximately 40 miles north of San Francisco. Founded in 1852, Petaluma is one of California’s oldest cities. The city’s name, derived from the Coast Miwok words “pe’ta” (flat) and “lu’ma” (back), refers to the area’s level plains. Petaluma quickly became a center for agriculture and industry due to its location along the Petaluma River, which provided easy access to San Francisco Bay. The city’s economy was historically driven by poultry farming and dairy production, earning it the nickname “Egg Capital of the World.” Today, Petaluma is known for its well-preserved historic downtown, which features numerous Victorian buildings, antique shops, and restaurants. The city has maintained much of its historic charm while also developing a modern economy centered around tourism, technology, and craft industries.

Major Schools and Landmarks

Petaluma City Schools district includes several primary and secondary schools, with Petaluma High School and Casa Grande High School being the main secondary institutions. Landmarks in Petaluma include the Petaluma Historical Library & Museum, housed in a grand Carnegie library building, and the nearby Marin French Cheese Company, the oldest continually operating cheese manufacturer in the United States. The city is also home to the Petaluma Adobe State Historic Park, which preserves the former home of General Mariano Guadalupe Vallejo, a key figure in California’s early history. The Petaluma River offers recreational opportunities, and the city hosts several annual events, such as the Butter & Egg Days Parade, celebrating its agricultural heritage.

Rohnert Park

Area, Population, and Geography

  • Area: 7.0 square miles
  • Population: Approximately 44,000 (2023 estimate)
  • Zip Codes: 94928, 94927
  • Latitude: 38.3396° N
  • Longitude: 122.7011° W

City Location and History

Rohnert Park, located just south of Santa Rosa, is a planned city that was developed beginning in the 1950s. Named after the Rohnert family, who were early settlers and landowners in the area, Rohnert Park was one of California’s first planned communities, designed to offer a suburban lifestyle with the conveniences of city living. The city’s development was driven by the post-World War II housing boom, attracting residents seeking affordable homes in a family-friendly environment. Over the decades, Rohnert Park has grown into a vibrant community with a mix of residential, commercial, and industrial areas. The city is also known for being home to Sonoma State University, a key educational institution in the region.

Major Schools and Landmarks

Rohnert Park is served by the Cotati-Rohnert Park Unified School District, with Rancho Cotate High School being the primary secondary school. Sonoma State University, located in the city, is a major landmark, offering a range of undergraduate and graduate programs and hosting cultural events at the Green Music Center, a world-class performing arts venue. The city is also known for the Graton Resort & Casino, one of the largest casinos in Northern California. Additionally, Rohnert Park features several parks and recreational facilities, including the popular Rohnert Park Community Center and the Rohnert Park Farmers Market, which attracts visitors from across the county.

Healdsburg

Area, Population, and Geography

  • Area: 4.6 square miles
  • Population: Approximately 12,000 (2023 estimate)
  • Zip Codes: 95448
  • Latitude: 38.6105° N
  • Longitude: 122.8692° W

City Location and History

Healdsburg is located in the northern part of Sonoma County, nestled in the heart of three of Sonoma’s renowned wine-producing regions: Russian River, Dry Creek, and Alexander Valley. The city was founded in 1857 by Harmon Heald, a settler from Ohio, who established a general store and post office in the area. Healdsburg grew quickly as an agricultural center, particularly for grape growing, which has remained a dominant industry. The town’s central location within Sonoma County’s wine country has made it a popular destination for wine enthusiasts, with numerous wineries and tasting rooms located within and around the city. Healdsburg’s historic downtown, with its charming plaza, is the center of community life, featuring a variety of shops, restaurants, and art galleries.

Major Schools and Landmarks

Healdsburg is served by the Healdsburg Unified School District, with Healdsburg High School being the main secondary school. The city is known for its scenic Healdsburg Plaza, a beautifully landscaped square surrounded by shops and restaurants, which serves as the focal point of the downtown area. Landmarks include the historic Healdsburg Museum, which preserves the city’s rich history, and the nearby River Rock Casino, located just outside the city. Healdsburg is also famous for its world-class wineries, such as the Jordan Vineyard & Winery and the Ferrari-Carano Vineyards, both of which attract visitors from around the globe. The Russian River, which flows through the area, offers opportunities for canoeing, kayaking, and fishing, adding to the town’s appeal as a destination for both wine and outdoor enthusiasts.

Sonoma

Area, Population, and Geography

  • Area: 2.7 square miles
  • Population: Approximately 11,000 (2023 estimate)
  • Zip Codes: 95476
  • Latitude: 38.2919° N
  • Longitude: 122.4580° W

City Location and History

Sonoma is located in the southeastern part of Sonoma County, approximately 45 miles north of San Francisco. The city was founded in 1835 by Mexican military officer Mariano Guadalupe Vallejo as a mission and military outpost. Sonoma is historically significant as the site of the Bear Flag Revolt in 1846, which led to California’s brief independence from Mexico before it became part of the United States. The city’s historic Sonoma Plaza, the largest in California, is surrounded by preserved adobe buildings, some dating back to the early 19th century. Over the years, Sonoma has evolved into a major wine-producing region and is considered the birthplace of California’s commercial wine industry. The city’s rich history, combined with its scenic beauty and world-renowned wineries, makes it a popular tourist destination.

Major Schools and Landmarks

Sonoma Valley Unified School District serves the area, with Sonoma Valley High School being the primary secondary school. The city is home to several historical landmarks, including the Mission San Francisco Solano, the northernmost of California’s 21 missions, and the Sonoma Barracks, which housed Mexican troops during the 19th century. The Sonoma State Historic Park preserves these and other historic sites around the plaza. The city is also known for its wineries, such as Buena Vista Winery, the oldest commercial winery in California, and Gundlach Bundschu Winery. Sonoma’s natural beauty is highlighted by nearby parks like Sonoma Overlook Trail and Sonoma Valley Regional Park, which offer scenic views and outdoor activities. The annual Sonoma International Film Festival and various wine-related events attract visitors from around the world, further enhancing Sonoma’s reputation as a cultural and historical hub.

Map of Cities in Sonoma County, CA

Map of Cities in Sonoma County, CA