Lake County, California
Lake County, California, has 67,772 residents (July 2025 estimate). Its county seat is Lakeport. It uses Pacific Time and covers 1,255 sq mi (3,251 km²) of land.
- Resident population, July 2025
- 67,772
- Land area
- 1,255 sq mi (3,251 km²)
- County seat or government
- Lakeport
- Time zone
- Pacific TimeUTC-08:00 in January; UTC-07:00 in July
- Median household income
- $60,621 ± $2,557
- Median home value
- $324,300 ± $13,839
- Median rent, with utilities
- $1,368 ± $81
- Homes lived in by their owners
- 72.2% ± 2.6 points
- County type
- County
- Metro or micro area
- Clearlake, CA micro areaCentral county
- Water area
- 73 sq mi (189 km²)
- State
- California
- County code (FIPS)
- 06033
- Coordinates (central point)
- 39.108009, -122.745217
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Lake County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Pacific TimeAmerica/Los_Angeles | UTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 9455863,657 people
- 9542217,054 people
- 9545112,592 people
- 9545311,741 people
- 954675,778 people
- 954583,638 people
- 954233,513 people
- 954613,422 people
- 954853,242 people
- 954573,122 people
- 954642,484 people
- 954691,315 people
16 ZIP Code areas overlap Lake County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
Lake County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Lake County, largest first
- Konocti Unified School District24,127 people
- Kelseyville Unified School District13,480 people
- Lakeport Unified School District11,148 people
- Middletown Unified School District9,645 people
- Upper Lake Unified School District5,959 people
- Lucerne Elementary School District3,793 people
- Upper Lake Unified School District (9-12)3,793 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Tribal areas in Lake County, largest first
- Robinson Rancheria and Off-Reservation Trust Land431 people
- Big Valley Rancheria317 people
- Hopland Rancheria124 people
- Upper Lake Rancheria74 people
- Sulphur Bank Rancheria6 people
- Middletown Rancheria5 people
American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Clearlake, California (city)16,659 people
- Hidden Valley Lake, California (CDP)5,872 people
- Lakeport, California (city)5,113 people
- Clearlake Riviera, California (CDP)4,122 people
- Kelseyville, California (CDP)4,011 people
- Lucerne, California (CDP)3,435 people
- North Lakeport, California (CDP)2,995 people
- Nice, California (CDP)2,569 people
- Clearlake Oaks, California (CDP)2,198 people
- Middletown, California (CDP)1,572 people
- Upper Lake, California (CDP)1,374 people
- Spring Valley, Lake County, California (CDP)853 people
All 15
- Cobb, California (CDP)842 people
- Soda Bay, California (CDP)802 people
- Lower Lake, California (CDP)635 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Colusa County, California28 mi east
- Glenn County, California39 mi northeast
- Sonoma County, California41 mi south
- Mendocino County, California44 mi northwest
- Napa County, California47 mi southeast
- Yolo County, California54 mi southeast
Before using this answer on a form
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