Cities and Towns in Lake County, California

Founded in 1861, Lake County is one of 58 counties in the state of California. Historically, Lake County was formed from Napa. The city of Lakeport is the county seat. With FIPS code of 33, Lake County has a population of 68,766 and area of 1,258 square miles (3,258 km²).

List of all cities in Lake County, CA alphabetically

City/Town	Postal Code	Area Code
Anderson Springs, CA	95461	707
Clearlake, CA	95422	707
Clearlake Oaks, CA	95423	707
Clearlake Park, CA	95424	707
Cobb, CA	95426	707
Finley, CA	95435	707
Glenhaven, CA	95443	707
Hidden Valley Lake, CA	95467	707
Kelseyville, CA	95451	707
Lakeport, CA	95453	707
Loch Lomond, CA	95461	707
Lower Lake, CA	95457	707
Lucerne, CA	95458	707
Middletown, CA	95461	707
Nice, CA	95464	707
Sulphur Bank Rancheria, CA	95423	707
Upper Lake, CA	95485	707
	95493	707
Witter Springs, CA	95493	707

Major Cities and Towns in Lake County, California

Lakeport

Area, Population, and Geographic Coordinates

• Area: 3.2 square miles
• Population: Approximately 5,026 (as of 2020)
• Zip Codes: 95453
• Latitude: 39.0428° N
• Longitude: 122.9156° W

Location and History

Lakeport is the county seat of Lake County, located on the western shore of Clear Lake, California’s largest natural freshwater lake. The town was originally settled in the mid-19th century and became known as Lakeport in 1861 when it was designated the county seat. Lakeport developed as a hub for agriculture, particularly pear and walnut orchards, benefiting from the fertile soil and mild climate of the region. The town’s location on Clear Lake made it a popular destination for tourism, with visitors attracted to the area’s natural beauty, fishing, and boating opportunities. Over the years, Lakeport has maintained its small-town charm while serving as the administrative and cultural center of Lake County.

Major Schools and Landmarks

Lakeport is served by the Lakeport Unified School District, with Clear Lake High School and Terrace Middle School being the primary educational institutions. Major landmarks in Lakeport include Library Park, a scenic waterfront park that hosts community events and offers views of Clear Lake, and the Lake County Courthouse Museum, which showcases the history and culture of the region. The nearby Clear Lake State Park provides opportunities for camping, hiking, and water activities, making it a popular destination for outdoor enthusiasts. Lakeport’s combination of historical significance, educational institutions, and natural beauty makes it a key community in Lake County.

Clearlake

Area, Population, and Geographic Coordinates

• Area: 10.6 square miles
• Population: Approximately 15,250 (as of 2020)
• Zip Codes: 95422
• Latitude: 38.9584° N
• Longitude: 122.6264° W

Location and History

Clearlake is the largest city in Lake County, situated on the southeastern shore of Clear Lake. The city was incorporated in 1980, but the area has been a popular resort destination since the late 19th century due to its picturesque setting and mild climate. Clearlake developed as a center for tourism, with visitors drawn to the area’s fishing, boating, and recreational opportunities. The city has a diverse community, with its economy historically based on tourism, agriculture, and small businesses. Clearlake’s proximity to Clear Lake has made it a central part of Lake County’s tourism industry, offering a wide range of amenities and services for residents and visitors alike.

Major Schools and Landmarks

Clearlake is served by the Konocti Unified School District, with Lower Lake High School and Burns Valley School being the primary educational institutions. Major landmarks in Clearlake include Austin Park, a large lakeside park that hosts festivals, concerts, and community events, and the Redbud Park, which features a boat launch and fishing pier, making it a popular spot for water activities. The nearby Anderson Marsh State Historic Park offers hiking trails and opportunities to explore the area’s natural and cultural history, including ancient Native American sites. Clearlake’s combination of recreational opportunities, educational institutions, and lakeside charm makes it an important city in Lake County.

Middletown

Area, Population, and Geographic Coordinates

• Area: 3.3 square miles
• Population: Approximately 1,323 (as of 2020)
• Zip Codes: 95461
• Latitude: 38.7527° N
• Longitude: 122.6150° W

Location and History

Middletown is a small community located in the southern part of Lake County, near the border with Napa County. The town was founded in the 1870s and named for its location midway between the towns of Calistoga and Lower Lake. Middletown developed as a center for mining and agriculture, with the nearby Great Western Quicksilver Mine being a significant source of mercury during the late 19th and early 20th centuries. The town has a rich history tied to the mining industry and has maintained its rural character over the years. Middletown’s location at the crossroads of several major routes has made it a gateway to Lake County and a popular stop for travelers.

Major Schools and Landmarks

Middletown is served by the Middletown Unified School District, with Middletown High School and Middletown Middle School being the primary educational institutions. Major landmarks in Middletown include the Middletown Art Center, which offers art exhibits, classes, and cultural events, and the Harbin Hot Springs, a historic retreat center known for its natural hot springs and healing arts. The nearby Robert Louis Stevenson State Park offers hiking trails with panoramic views of the surrounding mountains and valleys, making it a popular destination for outdoor enthusiasts. Middletown’s combination of historical significance, educational institutions, and access to natural attractions makes it an important community in Lake County.

Lower Lake

Area, Population, and Geographic Coordinates

• Area: 7.3 square miles
• Population: Approximately 1,291 (as of 2020)
• Zip Codes: 95457
• Latitude: 38.9104° N
• Longitude: 122.6100° W

Location and History

Lower Lake is a small town located in the southern part of Lake County, near the southern tip of Clear Lake. The town was founded in the mid-19th century as a stopping point for travelers and developed as a center for agriculture, particularly livestock and grain farming. Lower Lake is one of the oldest communities in Lake County, with a history that includes the early settlement of the region and its development as a transportation hub. The town has retained its historic charm, with many of its original buildings still standing, offering a glimpse into the past. Lower Lake’s location along the main routes through the county has made it an important part of Lake County’s history and development.

Major Schools and Landmarks

Lower Lake is served by the Konocti Unified School District, with Lower Lake High School and Lower Lake Elementary School being the primary educational institutions. Major landmarks in Lower Lake include the Lower Lake Historic Schoolhouse Museum, which preserves the history of the town and the surrounding area, and the Anderson Marsh State Historic Park, which protects ancient Native American sites and offers opportunities for hiking, birdwatching, and exploring the natural landscape. The town’s annual Lower Lake Daze parade and festival celebrate the community’s heritage with a variety of activities and entertainment. Lower Lake’s combination of historical significance, educational institutions, and community events makes it an important town in Lake County.

Map of Cities in Lake County, CA