Santa Margarita Flag

Santa Margarita

County Seat:
No
Area (mi²):
0.517
State:
California

Santa Margarita is a CDP located in San Luis Obispo County, California. Santa Margarita has a 2026 population of 528. Santa Margarita is currently declining at a rate of -8.01% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in Santa Margarita is 37.5 years: 36.4 years for males, and 61.4 years for females. For every 100 females there are 76.2 males.

528
Total Population
1,021
Density (mi²)
-46 -8.01%
Growth

Santa Margarita Population

Santa Margarita Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026528-46-8.01%
2025574-45-7.27%

Median Age

Overall: 37.5 years
Female: 61.4 years
Male: 36.4 years

Santa Margarita Adults

There are 993 adults, (260 of whom are seniors) in Santa Margarita.

Sex Ratio

Female: 652 (56.7%)
Male: 497 (43.3%)

Demographics

The racial composition of Santa Margarita includes 90.17% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,03690.17%
Two or more races1139.83%
Race
Population ↓
Percentage (of total)
Two or more races544.7%
Race
Population ↓
Percentage (of total)
White1,03690.17%
Two or more races595.13%

Santa Margarita Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)