Placer County Population 2017

Placer County's estimated population is 380,531 with a growth rate of 1.64% in the past year according to the most recent United States census data. Placer County is the 22nd largest county in California.

Year Population Growth Growth Rate
2016380,5316,1481.64%
2015374,3833,8971.05%
2014370,4864,0511.11%
2013366,4355,4171.50%
2012361,0184,2351.19%
2011356,7836,5491.87%
2010350,234177,438102.69%
1990172,79655,54947.38%
1980117,24739,94151.67%
197077,30620,30835.63%
196056,99815,34936.85%
195041,64913,54148.17%
194028,1083,64014.88%
193024,4685,88431.66%
192018,5843471.90%
191018,2372,45115.53%
190015,7866854.54%
189015,1018696.11%
188014,2322,87525.31%
187011,357-1,913-14.42%
186013,2700.00%

Placer County Population Growth

Population Data via

Placer County Race Data

Race Population Percentage
White321,30684.44%
Asian26,4066.94%
Two or More Races15,3394.03%
Black or African American6,4091.68%
American Indian and Alaska Native3,9671.04%
Native Hawaiian and Other Pacific Islander9560.25%

Placer County Population Pyramid

0k2k4k6k8k10k12k14kPlacer County Male Population0k2k4k6k8k10k12k14kPlacer County Female Population

Population of Cities in Placer County

City 2010 Census 2016 Estimated Growth Growth Rate
Roseville1186601326711401111.81%
Rocklin5701962787576810.12%
Lincoln427814703042499.93%
Auburn13305139636584.95%
Loomis641967673485.42%
Colfax19502004542.77%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990