San Luis Obispo County Population 2017

San Luis Obispo County's estimated population is 282,887 with a growth rate of 0.69% in the past year according to the most recent United States census data. San Luis Obispo County is the 23rd largest county in California.

Year Population Growth Growth Rate
2016282,8871,9270.69%
2015280,9602,0830.75%
2014278,8772,6860.97%
2013276,1911,7040.62%
2012274,4873,3111.22%
2011271,1761,2670.47%
2010269,90952,74724.29%
1990217,16261,72739.71%
1980155,43549,74547.07%
1970105,69024,64630.41%
196081,04429,62757.62%
195051,41718,17154.66%
194033,2463,63312.27%
193029,6137,72035.26%
192021,8932,51012.95%
191019,3832,74616.51%
190016,6375653.52%
189016,0726,93075.80%
18809,1424,37091.58%
18704,7722,990167.79%
18601,7821,446430.36%
18503360.00%

San Luis Obispo County Population Growth

Population Data via

San Luis Obispo County Race Data

Race Population Percentage
White250,35788.50%
Asian10,8613.84%
Two or More Races9,5873.39%
Black or African American5,7282.02%
American Indian and Alaska Native3,8771.37%
Native Hawaiian and Other Pacific Islander5500.19%

San Luis Obispo County Population Pyramid

0k5k10k15kSan Luis Obispo County Male Population0k5k10k15kSan Luis Obispo County Female Population

Population of Cities in San Luis Obispo County

City 2010 Census 2016 Estimated Growth Growth Rate
San Luis Obispo451644753623725.25%
Atascadero283043033020267.16%
Arroyo Grande17246180978514.93%
Grover Beach13157136414843.68%
Morro Bay10234106484144.05%
Pismo Beach765081985487.16%
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