San Luis Obispo County, California's estimated 2023 population is 286,261 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 6.17% since that time.
2.98
Average Family Size
2.5
Average Household Size
62.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 79.5%.
The highest rate of bachelors degrees is among asian people with a rate of 34.88%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
82.96% of San Luis Obispo County, California residents speak only English, while 17.04% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 12.53% of the population.
12%
Overall Poverty Rate
11.78%
Male Poverty Rate
12.22%
Female Poverty Rate
The race most likely to be in poverty in San Luis Obispo County, California is Black, with 18.95% below the poverty level.
The race least likely to be in poverty in San Luis Obispo County, California is White, with 11.91% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.19%. Among those working part-time, it was 20.74%, and for those that did not work, the poverty rate was 15.89%.
Married
Widowed
Divorced
Separated
NeverMarried
47.5%
Overall Marriage Rate
48.1%
Male Marriage Rate
46.8%
Female Marriage Rate
male
female
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 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
5.91%
Veteran Poverty Rate
33.65%
Veteran Disability Rate
LaborForceParticipation
58.2%
Labor Force Participation
54.5%
Employment Rate
5.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
67.59%
Born in San Luis Obispo County, California
90.04%
Native Born
9.64%
Foreign Born
4.78%
Non Citizen
4.86%
Naturalized
90.04% of San Luis Obispo County, California residents were born in the United States, with 67.59% having been born in California. 4.78% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.