San Simeon is a CDP located in San Luis Obispo County, California. San Simeon has a 2025 population of 268 . San Simeon is currently declining at a rate of -4.63% annually and its population has decreased by -51.27% since the most recent census, which recorded a population of 550 in 2020.
The average household income in San Simeon is $51,925 with a poverty rate of 3.99%. The median age in San Simeon is 59.3 years: 59.5 years for males, and 57.9 years for females. For every 100 females there are 41.3 males.
Data after 2023 is projected based on recent change
The racial composition of San Simeon includes 56.48% other race, 43.52% White, and smaller percentages for and multiracial populations.
Other race (56.48%)
White (43.52%)
Race | Population | Percentage (of total) |
|---|---|---|
| Other race | 170 | 56.48% |
| White | 131 | 43.52% |
Married
Widowed
Divorced
Separated
Never Married
San Simeon's average per capita income is $52,114. Household income levels show a median of $54,705. The poverty rate stands at 3.99%.
Name | Median | Mean |
|---|---|---|
| Non Families | $60,968 | $51,922 |
| Households | $54,705 | $51,925 |
| Families | $53,386 | $51,931 |
| Married Families | $53,386 | - |
Average Income
Median Household Income
Poverty Rate