San Luis Obispo County, California Population 2018

San Luis Obispo County, California's estimated population is 283,405 with a growth rate of 1.70% in the past year according to the most recent United States census data. San Luis Obispo County, California is the 23rd largest county in California.

Year Population Growth Growth Rate
2017283,4054,7251.70%
2016278,680-3,602-1.28%
2016282,2821,8800.67%
2015280,4021,8680.67%
2014278,5342,5610.93%
2013275,9731,5950.58%
2012274,3783,2281.19%
2011271,1501,3310.49%
2010269,81952,65724.25%
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, California Population Growth

Population Data via

Population by Race

Race Population
White238,145
Some Other Race13,169
Asian10,375
Two or More Races9,269
Black or African American5,516
American Indian and Alaska Native1,950
Native Hawaiian and Other Pacific Islander256

Race Data via US Census (2016 ACS 5-Year Survey)

San Luis Obispo County, California Population Pyramid 2018

0%2%4%6%8%10%12% Male Population0%2%4%6%8%10%12% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

San Luis Obispo County, California Median Age

39


Total

37.2


Male

41.6


Female

San Luis Obispo County, California Adults

There are 227,960 adults, (49,048 of which are seniors) in San Luis Obispo County, California.

San Luis Obispo County, California Age Dependency

55.7

Age Dependency Ratio

27.3

Old Age Dependency Ratio

28.4

Child Dependency Ratio

San Luis Obispo County, California Sex Ratio

Female

137,108

49.20%

Male

141,572

50.80%

San Luis Obispo County, California Households and Families

San Luis Obispo County, California Renter vs Owner Occupied by Household Type

San Luis Obispo County, California Household Types

Type Owner Renter
Married74.4%25.6%
All59%41%
Male45.1%54.9%
Non Family43.4%56.6%
Female40.6%59.4%

59.0%

Rate of Home Ownership

San Luis Obispo County, California Households by Type

Type Count Average Size Owned
All104,4042.5159
Married53,0803.0774.4
Non Family38,2261.4943.4
Female8,8273.2540.6
Male4,2713.2145.1

3

Average Family Size

2.51

Average Household Size

6%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

San Luis Obispo County, California Households

San Luis Obispo County, California Education

San Luis Obispo County, California Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade8,0404.36%
9th to 12th Grade10,1665.51%
High School Graduate35,70419.37%
Some College49,21326.70%
Associates Degree18,43610.00%
Bachelors Degree39,99421.70%
Graduate Degree22,79212.36%

San Luis Obispo County, California Educational Attainment by Race

Name Total High School Bachelors
White138,482132,89053,962
Hispanic32,40721,5914,416
Other Race7,5424,533545
Asian5,7985,2172,520
Multiple Races4,1453,7491,328
Black3,7962,957621
Native American1,4351,181280
Islander144144

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 43.46%.

San Luis Obispo County, California Earnings by Educational Attainment

Name Average Male Female
Overall$39,600$48,619$30,788
Less Than High School$22,320$25,742$16,169
High School Grad$31,692$39,613$24,979
Some College$36,281$47,054$28,074
Bachelors Degree$51,638$65,499$41,250
Graduate Degree$65,891$77,127$59,696

$39,600

Average Earnings

$48,619

Average Male

$30,788

Average Female

San Luis Obispo County, California Language

San Luis Obispo County, California Language by Age

San Luis Obispo County, California Language

81.45% of San Luis Obispo County, California residents speak only English, while 18.55% speak other languages. The largest non-English language is Spanish, which is spoken by 14.24% of the population.

San Luis Obispo County, California Poverty

San Luis Obispo County, California Poverty by Race

Name Total In Poverty Poverty Rate
White185,82323,40712.60%
Hispanic58,39910,55718.08%
Other11,8702,65122.33%
Asian8,3511,27715.29%
Multiple8,3601,19214.26%
Black3,4681,00929.09%
Native1,82026114.34%

14.16%

Overall Poverty Rate

13.43%

Male Poverty Rate

14.89%

Female Poverty Rate

Poverty in San Luis Obispo County, California

The race most likely to be in poverty in San Luis Obispo County, California is Black, with 29.09% below the poverty level.

The race least likely to be in poverty in San Luis Obispo County, California is White, with 12.60% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.22%. Among those working part-time, it was 23.32%, and for those that did not work, the poverty rate was 19.32%.

San Luis Obispo County, California Poverty Rate by Education

Name Poverty
Less Than High School20.20%
High School10.83%
Some College8.91%
Bachelors or Greater4.43%

San Luis Obispo County, California Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed38.00%
Female Unemployed27.80%
Female Employed10.80%
Male Employed7.22%

San Luis Obispo County, California Income

San Luis Obispo County, California Income by Household Type

Name Median Mean
Households$64,014$83,747
Families$79,355$98,974
Married Families$89,705$109,598
Non Families$38,097$53,808

San Luis Obispo County, California Marital Status

San Luis Obispo County, California Marital Status

Marriage Rates

48.4%

Overall Marriage Rate

48.8%

Male Marriage Rate

48.0%

Female Marriage Rate

San Luis Obispo County, California Married by Age and Sex

San Luis Obispo County, California Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 35To44.

San Luis Obispo County, California Marital Status by Race

San Luis Obispo County, California Veterans

San Luis Obispo County, California Veterans by War

18,452

Number of Veterans

17,313

Male Veterans

1,139

Female Veterans

Name Veterans
Vietnam7,512
Korea2,577
First Gulf War2,209
Second Gulf War1,657
World War II1,630

San Luis Obispo County, California Veterans by Age

Name Veterans
75+5,881
65 to 745,295
55 to 643,433
35 to 542,845
18 to 34998

San Luis Obispo County, California Veterans by Race

Name Veterans % of Total
White16,7738.58%
Hispanic1,3663.27%
Black55611.88%
2 or More5188.46%
Other3003.21%
Asian1822.09%
Indian1237.73%

San Luis Obispo County, California Veterans by Education

6.51%

Veteran Poverty Rate

31.51%

Veteran Disability Rate

San Luis Obispo County, California Employment Status

San Luis Obispo County, California Employment by Age

58.9%

Labor Force Participation

54.9%

Employment Rate

5.5%

Unemployment Rate

San Luis Obispo County, California Employment by Race

San Luis Obispo County, California Employment by Education

Population of Cities in San Luis Obispo County, California

City 2010 Census 2016 Estimated Growth Growth Rate
San Luis Obispo451644753623725.25%
El Paso de Robles Paso Robles297853190721227.12%
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