San Luis Obispo County, California Population 2022

San Luis Obispo County, California's estimated population is 284,982 with a growth rate of 0.45% in the past year according to the most recent United States census data. San Luis Obispo County, California is the 24th largest county in California. The 2010 Population was 269,637 and has seen a growth of 5.69% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18503360.00%
18601,7821,446430.36%
18704,7722,990167.79%
18809,1424,37091.58%
189016,0726,93075.80%
190016,6375653.52%
191019,3832,74616.51%
192021,8932,51012.95%
193029,6137,72035.26%
194033,2463,63312.27%
195051,41718,17154.66%
196081,04429,62757.62%
1970105,69024,64630.41%
1980155,43549,74547.07%
1990217,16261,72739.71%
2010269,63752,47524.16%
2011270,9161,2790.47%
2012272,1951,2790.47%
2013273,4741,2790.47%
2014274,7531,2790.47%
2015276,0321,2790.47%
2016277,3111,2790.46%
2017278,5901,2790.46%
2018279,8691,2790.46%
2019281,1481,2790.46%
2020282,4241,2760.45%
2021283,7031,2790.45%
2022284,9821,2790.45%
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San Luis Obispo County, California Population Growth

Population by Race

Race Population Percentage
White233,29782.58%
Black or African American4,8651.72%
American Indian and Alaska Native2,3830.84%
Asian10,5593.74%
Native Hawaiian and Other Pacific Islander2580.09%
Some Other Race12,4354.40%
Two or More Races18,7206.63%
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San Luis Obispo County, California Population by Race

San Luis Obispo County, California Population Pyramid 2022

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San Luis Obispo County, California Median Age

39.5


Total

37.8


Male

41.6


Female

San Luis Obispo County, California Adults

There are 232,568 adults, (56,700 of whom are seniors) in San Luis Obispo County, California.

San Luis Obispo County, California Age Dependency

Age Dependency Ratio

32.2

Old Age Dependency Ratio

28.4

Child Dependency Ratio

San Luis Obispo County, California Sex Ratio

Female

139,582

49.41%

Male

142,935

50.59%

San Luis Obispo County, California Population by Age

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

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San Luis Obispo County, California Household Types

Type Owner Renter
Married77.2%22.8%
All62.7%37.3%
Male55.1%44.9%
Female48.1%51.9%
Non Family47.2%52.8%

62.7%

Rate of Home Ownership

San Luis Obispo County, California Households and Families

Type Count Average Size Owned
All106,2442.5162.7
Married53,6033.0877.2
Male4,3133.1955.1
Female9,2713.2448.1
Non Family39,0571.4747.2

3

Average Family Size

2.51

Average Household Size

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San Luis Obispo County, California Households by Type

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Education Attained Count Percentage
Less Than 9th Grade6,5643.46%
9th to 12th Grade8,9184.70%
High School Graduate37,86719.94%
Some College48,16425.36%
Associates Degree19,89410.47%
Bachelors Degree42,39222.32%
Graduate Degree26,14313.76%
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San Luis Obispo County, California Educational Attainment by Sex (over 25)

San Luis Obispo County, California Educational Attainment by Race

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Race Total High School Bachelors
Asian6,4345,6863,154
White139,845134,89356,970
2+ Races9,2718,1602,428
Black3,4692,831649
Hispanic35,16426,4986,229
Native American1,7571,378278
Islander23118935
Other Race7,1554,992825

The highest rate of high school graduation is among white people with a rate of 96.46%.

The highest rate of bachelors degrees is among asian people with a rate of 49.02%.

San Luis Obispo County, California Educational Attainment by Race

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Name Average Male Female
Overall$44,674$53,257$36,814
Less Than 9th Grade$26,837$32,984$19,038
High School Graduate$34,381$41,562$27,113
Some College$41,776$51,442$35,063
Bachelors Degree$57,200$76,928$45,061
Graduate Degree$75,797$99,825$61,594

$44,674

Average Earnings

$53,257

Average Male

$36,814

Average Female

San Luis Obispo County, California Earnings by Educational Attainment

San Luis Obispo County, California Language by Age

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San Luis Obispo County, California Language

82.89% of San Luis Obispo County, California residents speak only English, while 17.11% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 12.70% of the population.

San Luis Obispo County, California Language

San Luis Obispo County, California Poverty by Race

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Name Total In Poverty Poverty Rate
Black2,76164423.32%
Asian8,5601,58718.54%
Hispanic61,3306,71010.94%
Multiple17,4161,84710.61%
White184,83519,24910.41%
Native2,1971607.28%
Other1,710NaN%

11.09%

Overall Poverty Rate

10.98%

Male Poverty Rate

11.19%

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 23.32% below the poverty level.

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

The poverty rate among those that worked full-time for the past 12 months was 1.92%. Among those working part-time, it was 19.39%, and for those that did not work, the poverty rate was 15.69%.

San Luis Obispo County, California Poverty

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Name Poverty
Less Than 9th Grade14.21%
High School9.55%
Some College7.01%
Bachelors or Greater4.43%

San Luis Obispo County, California Poverty Rate by Education

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Rate Poverty
Male Employed6.08%
Male Unemployed31.44%
Female Employed8.42%
Female Unemployed22.44%

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

San Luis Obispo County, California Income by Household Type

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Name Median Mean
Households$77,948$100,044
Families$97,590$118,571
Married Families$109,293$130,825
Non Families$44,316$62,176
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Income by Household Type

San Luis Obispo County, California Marital Status

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Marriage Rates

47.6%

Overall Marriage Rate

48.1%

Male Marriage Rate

47.1%

Female Marriage Rate

San Luis Obispo County, California Married by Age and Sex

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San Luis Obispo County, California Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

San Luis Obispo County, California Marital Status by Race

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San Luis Obispo County, California Marital Status

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17,118

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War2,363
First Gulf War2,168
Vietnam7,703
Korea2,064
World War II526

San Luis Obispo County, California Veterans by War

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Age Group Veterans
18 to 34985
35 to 542,457
55 to 642,795
65 to 745,661
75+5,220

San Luis Obispo County, California Veterans by Age

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Name Veterans % of Total
White15,2397.87%
Black2516.41%
Native American1748.55%
Asian3183.36%
Islander3113.42%
Other Race3954.44%
2+ Races7105.62%
Hispanic1,7693.93%

San Luis Obispo County, California Veterans by Race

San Luis Obispo County, California Veterans by Education

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6.87%

Veteran Poverty Rate

31.54%

Veteran Disability Rate

San Luis Obispo County, California Veterans by Education

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58.5%

Labor Force Participation

55.2%

Employment Rate

4.5%

Unemployment Rate

San Luis Obispo County, California Employment by Age

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San Luis Obispo County, California Employment by Race

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San Luis Obispo County, California Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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67.37%

Born in San Luis Obispo County, California

90.47%

Native Born

9.53%

Foreign Born

4.57%

Non Citizen

4.96%

Naturalized

Place of Birth

90.47% of San Luis Obispo County, California residents were born in the United States, with 67.37% having been born in California. 4.57% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

San Luis Obispo County, California Place of Birth

  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

Sources