Lassen County

Susanville, CA Business Index

Susanville is a city in Lassen County with an estimated 12,816 residents as of 2025, down 22.1% since 2020. Susanville's business base is indexed below across 48 owner-operated industries.

Population (2025)
12,816
U.S. Census Bureau estimate
Change since 2020
-22.1%
2020–2025
Land area
7.9 sq mi
2023 Census Gazetteer
Density
1,619/sq mi
Residents per square mile

Population trend

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

YearPopulationYear over year
202016,443n/a
202115,530-5.55%
202214,031-9.65%
202312,617-10.08%
202412,722+0.83%
202512,816+0.74%

Susanville holds 45.6% of Lassen County’s 28,117 residents.

Industries in Lassen County

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

HVAC & PlumbingViewElectricalViewRoofingViewLandscapingView
Pest ControlPending
Pool ServicePending
Commercial CleaningPending
FlooringPending
Glass & GlazingPending
Septic & WellPending
Auto RepairViewAuto BodyView
Car WashPending
TowingPending
TruckingPending
Equipment RentalPending
DentalView
VeterinaryPending
Home HealthPending
PharmacyPending
Medical PracticeView
OptometryPending
AccountingViewInsurance AgencyView
IT & MSPPending
StaffingPending
EngineeringView
ArchitecturePending
Law FirmView
Security ServicesPending
PrintingPending
Sign ShopsPending
Machine ShopsPending
Metal FabricationPending
PlasticsPending
Food ManufacturingPending
MillworkPending
RestaurantsView
BakeriesPending
Liquor StoresPending
Gyms & FitnessPending
Salons & SpasPending
LaundromatsPending
Dry CleaningPending
Funeral HomesPending
Self StorageViewChildcareView
Pet ServicesPending

Nearby cities

Other indexed places in Lassen County and the surrounding area.

Portola2,024Loyalton709Paradise10,023Alturas2,634Chico105,081Truckee17,278Oroville20,451Nevada City3,174Tehama441
Data last refreshed from source on 2026-09-08.

Sources

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