San Luis Obispo demographics profile

StatisticSan Luis ObispoCaliforniaNational
Population density (sq mi)3,55723291
Median age26.136.037.7
Male/Female ratio1.1:11.0:11.0:1
Married (15yrs & older)35%52%55%
Families w/ Kids under 1842%46%43%
Speak English83%56%79%
Speak Spanish12%29%13%
San Luis Obispo, CA has a population of 46,716 and is the 885th largest city in the United States. The population density is 3,557 per sq mi which is 1430% higher than the California average and 3826% higher than the national average. The median age in San Luis Obispo is 26 which is approximately 28% lower than the California average of 36. In San Luis Obispo, 35% of the population over 15 years of age are married, 83% speak English and 12% speak Spanish. 67% of San Luis Obispo residents were born in California, 22% were born out of state, 1% were born outside of the United States and 9% were foreign born.
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Did you know?

  • The population density in San Luis Obispo is 1430% higher than California.
  • The median age in San Luis Obispo is 28% lower than California.
  • In San Luis Obispo 85.05% of the population is White.
  • In San Luis Obispo 2.36% of the population is Black or African American.
  • In San Luis Obispo 5.27% of the population is Asian.

Compare San Luis Obispo, CA Demographics To Other Cities

San Luis Obispo population breakdown by race

RaceSan Luis ObispoCaliforniaNational
Black or African American2.36%5.85%12.63%
American Indian0.35%0.74%0.82%
Native Hawaiian0.00%0.39%0.18%
Mixed race3.42%4.62%3.06%
Other race3.55%13.28%4.75%
In San Luis Obispo, 16.7% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

San Luis Obispo age breakdown

Marital status

Age of children in married couples

Source: The San Luis Obispo, CA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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