San Luis Obispo, CA Population

The population of San Luis Obispo is 47,257, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
Overview
47,257
Total Population
26.0
Median age
49.08%
Female population %
103.7:100
Gender ratio (M:F)
20-24 years
Largest age group
28.8
Total dependency ratio
White
Largest racial group
8,73
Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

Age

San Luis Obispo's population is young compared to the rest of the country:

  • The median age in San Luis Obispo is 26.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • San Luis Obispo's population under 18 was 10.95%, compared to the 22.51% nationwide.
  • San Luis Obispo's elderly or the senior population (over 65 age) was 13.25% as compared to 16.04% nationwide.
  • Of the total population in San Luis Obispo, 9.10% were under the age of 15, 46.64% aged 15 to 29, 31.01% aged 30 to 64, 11.46% aged 65 to 84, and 1.79% were 85 years of age and older.
The graph shows San Luis Obispo's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
San Luis Obispo, CA population by age group. The largest age group was 20-24 years with a poulation of 14,400 (30.47% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about San Luis Obispo, CA population by age ➔

Gender

There are 865 less females than males in San Luis Obispo:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.08% females and 50.92% males in San Luis Obispo, CA.
  • The San Luis Obispo, CA gender ratio is 103.7:100 i.e. 103.7 men to 100 women (1.037).
  • For male population, the largest age group is 20-24 years with a population of 7,841.
  • For the female population, the largest age group is 20-24 years with a population of 6,559.
The grouped bar chart shows San Luis Obispo, CA population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 20-24 years (7,841) | Female # 20-24 years (6,559). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about San Luis Obispo, CA population by gender ➔

Race / Ethnicity

San Luis Obispo's population has become increasingly diverse:

  • Racial distribution of San Luis Obispo population: 82.40% are White, 1.57% are Black or African American, 0.45% are American Indian and Alaska Native, 5.32% are Asian, 0.16% are Native Hawaiian and other Pacific Islander, 2.94% are some other race and 7.17% are multiracial.
  • San Luis Obispo's racial breakdown clearly shows that there is an absolute majority of White population in the city.
  • By ethnicity, 8,73 is Hispanic or Latino (of any race), and 38,527 (81.53% of the total population) is Non-Hispanic.
  • The largest racial group in San Luis Obispo is White with a population of 38,939 (82.40% of the total population).
The bar chart shows San Luis Obispo, CA population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
San Luis Obispo, CA population by race. The largest racial group in San Luis Obispo is White with a population of 38,939 (82.40% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

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Year by year

San Luis Obispo's population has not reached its peak yet and is showing a trend of further growth:

  • The peak population was 48,341 in the year 2022
  • From 2000 to 2010, San Luis Obispo's population increased by 897 (2.03%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, San Luis Obispo's population increased by 1,959 (4.33%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
  • Between the year 2000 and 2022, San Luis Obispo's population was lowest in year 2006 at 43,576.
The graph shows San Luis Obispo's population from 2000 to 2022, with years on x-axis and population on y-axis
San Luis Obispo's population from 2000 to 2022. The estimated population at the end of 2022 was 48,341. Source: U.S. Census Bureau (Population Estimates Program)

Read more about San Luis Obispo, CA population by year ➔

References

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San Luis Obispo, CA Demographics

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