California

Placer County

Placer County has an estimated 442,081 residents as of 2025 across 6 incorporated places, a gain of 8.9% since 2020.

Population (2025)
442,081
Census Bureau estimate
Change since 2020
+8.9%
Resident population
Incorporated places
6
Cities, towns and CDPs
Unincorporated share
27%
Residents outside city limits

Industries in Placer County

4,030 establishments indexed

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

IndustryNAICSEstablishmentsEmployees
HVAC & Plumbing2382202092,424
Electrical2382101821,840
Roofing23816064610
Landscaping5617302011,994
Pest Control56171028212
Pool Service56179052316
Commercial Cleaning56172097768
Flooring2383302565
Glass & Glazing2381501039
Septic & Well23891080633
Auto Repair811111104621
Auto Body81112144446
Car Wash81119224237
Towing4884101563
Trucking484110, 484121149497
Equipment Rental532412881
Dental6212102972,240
Veterinary541940611,208
Home Health621610421,382
Pharmacy44611034565
Medical Practice6211112773,553
Optometry62132036238
Accounting541211, 5412131391,017
Insurance Agency5242102161,302
IT & MSP541513, 541512118873
Staffing561320, 561311582,056
Engineering5413301391,958
Architecture54131037211
Law Firm5411102231,136
Security Services56161213466
Printing3231111584
Sign Shops339950514
Machine Shops33271017135
Metal Fabrication332322, 33231210303
Plastics3261994127
Food Manufacturing311999, 311812n/an/a
Millwork337110, 3219181374
Restaurants7225113648,182
Bakeries311811773
Liquor Stores44531025162
Gyms & Fitness713940751,459
Salons & Spas812112, 812113, 8121992641,582
Laundromats812310312
Dry Cleaning8123202490
Funeral Homes8122101149
Self Storage53113039103
Childcare6244101421,090
Pet Services81291030197

Cities in Placer County

6
Roseville167.3KRocklin76.8KLincoln57.4KAuburn13.8KLoomis7KColfax2K

Sources

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