San Luis Obispo, CA population age distributions
A complete breakdown of San Luis Obispo's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 1,394 | 2.93% |
| 5 to 9 years | 1,390 | 2.92% |
| 10 to 14 years | 1,384 | 2.91% |
| 15 to 19 years | 3,826 | 8.05% |
| 20 to 24 years | 15,602 | 32.83% |
| 25 to 29 years | 3,613 | 7.6% |
| 30 to 34 years | 2,720 | 5.72% |
| 35 to 39 years | 2,100 | 4.42% |
| 40 to 44 years | 1,803 | 3.79% |
| 45 to 49 years | 1,386 | 2.92% |
| 50 to 54 years | 1,706 | 3.59% |
| 55 to 59 years | 1,779 | 3.74% |
| 60 to 64 years | 2,429 | 5.11% |
| 65 to 69 years | 1,849 | 3.89% |
| 70 to 74 years | 1,658 | 3.49% |
| 75 to 79 years | 1,238 | 2.6% |
| 80 to 84 years | 697 | 1.47% |
| 85 years and over | 955 | 2.01% |
TABLE OF CONTENTS
San Luis Obispo, CA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
San Luis Obispo, CA population by age group.
The largest age group is 20 to 24 years with a population of 15,602 (32.83% of the total population).
The largest age group in San Luis Obispo, CA was for the group of age 20 to 24 years with a population of 15,602 (32.83%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in San Luis Obispo, CA was the 80 to 84 years with a population of 697 (1.47%).
San Luis Obispo, CA population by age cohort
To better understand the age distribution of San Luis Obispo, CA's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
San Luis Obispo, CA population by age cohort
The largest age group was 18 to 64 years with a population of 36,117 (75.99% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- San Luis Obispo 's population under 18 was 10.55%, compared to the 22.11% nationwide.
- San Luis Obispo's working population (between 18 and 64) was 75.99%, compared to 61.36% nationwide.
- San Luis Obispo's elderly or the senior population (over 65 age) was 13.46% as compared to 16.53% nationwide.
San Luis Obispo, CA population pyramid
Population pyramid for San Luis Obispo, CA is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the San Luis Obispo's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for San Luis Obispo, CA, is 11.3.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for San Luis Obispo, CA, is 17.3.
- Total dependency ratio for San Luis Obispo, CA is 28.6.
- Potential support ratio, which is the number of youth (working age population) per elderly, for San Luis Obispo, CA is 5.8.
FIGURE 3
San Luis Obispo, CA population pyramid
San Luis Obispo population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
San Luis Obispo, CA population pyramid
Here's the San Luis Obispo, CA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 811 | 583 | 1,394 |
| 5 to 9 years | 691 | 699 | 1,390 |
| 10 to 14 years | 634 | 750 | 1,384 |
| 15 to 19 years | 1,893 | 1,933 | 3,826 |
| 20 to 24 years | 8,704 | 6,898 | 15,602 |
| 25 to 29 years | 1,757 | 1,856 | 3,613 |
| 30 to 34 years | 1,333 | 1,387 | 2,720 |
| 35 to 39 years | 1,064 | 1,036 | 2,100 |
| 40 to 44 years | 796 | 1,007 | 1,803 |
| 45 to 49 years | 745 | 641 | 1,386 |
| 50 to 54 years | 890 | 816 | 1,706 |
| 55 to 59 years | 818 | 961 | 1,779 |
| 60 to 64 years | 1,085 | 1,344 | 2,429 |
| 65 to 69 years | 858 | 991 | 1,849 |
| 70 to 74 years | 881 | 777 | 1,658 |
| 75 to 79 years | 461 | 777 | 1,238 |
| 80 to 84 years | 282 | 415 | 697 |
| 85 years and over | 396 | 559 | 955 |
Things to know
What is the population of San Luis Obispo, CA under 18?
San Luis Obispo's population under the age of 18 is 5,015, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 10.55% of the total resident population of San Luis Obispo, CA.
What is the aging population in San Luis Obispo, CA?
San Luis Obispo's population aged 65 years and above was 6,397. As per the U.S. Census Bureau's American Community Survey, this population is 13.46% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates