Clearlake, CA Business Index

Clearlake is a city in Lake County with an estimated 16,893 residents as of 2025, up 1.2% since 2020. Clearlake's business base is indexed below across 48 owner-operated industries.

Population (2025): 16,893; U.S. Census Bureau estimate
Change since 2020: +1.2%; 2020–2025
Land area: 10.1 sq mi; 2023 Census Gazetteer
Density: 1,668/sq mi; Residents per square mile

Population trend

Annual resident population estimates, U.S. Census Bureau Population Estimates Program.

Year	Population	Year over year
2020	16,699	n/a
2021	16,789	+0.54%
2022	16,604	-1.10%
2023	16,595	-0.05%
2024	16,713	+0.71%
2025	16,893	+1.08%

Clearlake holds 24.9% of Lake County’s 67,772 residents.

Industries in Lake County

Clearlake businesses compete in the Lake County market. Establishment counts, employment and payroll below are reported at county level by the U.S. Census Bureau.

HVAC & PlumbingView ElectricalView RoofingView LandscapingView Pest ControlView Pool ServiceView Commercial CleaningView

FlooringPending

Glass & GlazingPending

Septic & WellView Auto RepairView Auto BodyView

Car WashPending

TowingView TruckingView

Equipment RentalPending

DentalView VeterinaryView Home HealthView PharmacyView Medical PracticeView OptometryView AccountingView Insurance AgencyView

IT & MSPPending

StaffingPending

EngineeringPending

ArchitecturePending

Law FirmView Security ServicesView

PrintingPending

Sign ShopsPending

Machine ShopsPending

Metal FabricationPending

PlasticsPending

Food ManufacturingPending

MillworkView RestaurantsView

BakeriesPending

Liquor StoresPending

Gyms & FitnessView Salons & SpasView

LaundromatsPending

Dry CleaningPending

Funeral HomesView Self StorageView ChildcareView

Pet ServicesPending

Nearby cities

Other indexed places in Lake County and the surrounding area.

Lakeport5,059 Cloverdale8,701 Calistoga4,954 Healdsburg11,172 Williams5,529 Windsor25,864 St. Helena5,194 Ukiah16,068 Santa Rosa179,437

Data last refreshed from source on 2026-09-08.

Sources

U.S. Census Bureau, Population Estimates Program (Vintage 2025). Subcounty resident population estimates. Retrieved 2026-09-08.
U.S. Census Bureau, 2023 Gazetteer Files. Land area and internal point coordinates. Retrieved 2026-09-08.
U.S. Census Bureau, ANSI/FIPS Place-to-County Relationship File Retrieved 2026-09-08.