California

Lassen County

Lassen County has an estimated 28,117 residents as of 2025 across 1 incorporated place, a decline of 13.1% since 2020.

Population (2025)
28,117
Census Bureau estimate
Change since 2020
-13.1%
Resident population
Incorporated places
1
Cities, towns and CDPs
Unincorporated share
54%
Residents outside city limits

Industries in Lassen County

91 establishments indexed

Establishment and employment counts from the U.S. Census Bureau County Business Patterns program.

IndustryNAICSEstablishmentsEmployees
HVAC & Plumbing2382201254
Electrical238210310
Roofing2381604n/a
Landscaping56173043
Pest Control561710n/an/a
Pool Service561790n/an/a
Commercial Cleaning561720n/an/a
Flooring238330n/an/a
Glass & Glazing238150n/an/a
Septic & Well238910n/an/a
Auto Repair811111512
Auto Body811121520
Car Wash811192n/an/a
Towing488410n/an/a
Trucking484110, 484121n/an/a
Equipment Rental532412n/an/a
Dental621210759
Veterinary541940n/an/a
Home Health621610n/an/a
Pharmacy446110n/an/a
Medical Practice621111538
Optometry621320n/an/a
Accounting541211, 541213625
Insurance Agency524210615
IT & MSP541513, 541512n/an/a
Staffing561320, 561311n/an/a
Engineering5413303241
Architecture541310n/an/a
Law Firm541110612
Security Services561612n/an/a
Printing323111n/an/a
Sign Shops339950n/an/a
Machine Shops332710n/an/a
Metal Fabrication332322, 332312n/an/a
Plastics326199n/an/a
Food Manufacturing311999, 311812n/an/a
Millwork337110, 321918n/an/a
Restaurants72251112119
Bakeries311811n/an/a
Liquor Stores445310n/an/a
Gyms & Fitness713940n/an/a
Salons & Spas812112, 812113, 812199n/an/a
Laundromats812310n/an/a
Dry Cleaning812320n/an/a
Funeral Homes812210n/an/a
Self Storage531130312
Childcare6244101064
Pet Services812910n/an/a

Cities in Lassen County

1
Susanville12.8K

Sources

  1. U.S. Census Bureau, Population Estimates Program (Vintage 2025). Subcounty resident population estimates. Retrieved 2026-09-08.