Rancho Santa Margarita, CA Population

Overview

48,190

Total Population

39.7

Median age

51.01%

Female population %

96.1:100

Gender ratio (M:F)

50-54 years

Largest age group

41.6

Total dependency ratio

White

Largest racial group

9,927

Hispanic population

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

TABLE OF CONTENTS

Age

Rancho Santa Margarita's population is old compared to the rest of the country:

The median age in Rancho Santa Margarita is 39.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Rancho Santa Margarita's population under 18 was 23.60%, compared to the 22.51% nationwide.
Rancho Santa Margarita's elderly or the senior population (over 65 age) was 10.01% as compared to 16.04% nationwide.
Of the total population in Rancho Santa Margarita, 19.35% were under the age of 15, 17.79% aged 15 to 29, 52.85% aged 30 to 64, 8.49% aged 65 to 84, and 1.52% were 85 years of age and older.

There are 970 more females than males in Rancho Santa Margarita:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.01% females and 48.99% males in Rancho Santa Margarita, CA.
The Rancho Santa Margarita, CA gender ratio is 96.1:100 i.e. 96.1 men to 100 women (0.961).
For male population, the largest age group is 55-59 years with a population of 2,264.
For the female population, the largest age group is 50-54 years with a population of 2,097.

Rancho Santa Margarita's population has become increasingly diverse:

Racial distribution of Rancho Santa Margarita population: 73.43% are White, 1.88% are Black or African American, 0.39% are American Indian and Alaska Native, 11.40% are Asian, 0.06% are Native Hawaiian and other Pacific Islander, 3.71% are some other race and 9.12% are multiracial.
Rancho Santa Margarita's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 9,927 is Hispanic or Latino (of any race), and 38,263 (79.40% of the total population) is Non-Hispanic.
The largest racial group in Rancho Santa Margarita is White with a population of 35,388 (73.43% of the total population).

Rancho Santa Margarita's population has already reached its peak and is showing a trend of decline:

The peak population was 50,371 in the year 2009
From 2000 to 2010, Rancho Santa Margarita's population increased by 234 (0.49%), as compared to the national growth of 9.63%.
From 2010 to 2020, Rancho Santa Margarita's population decreased by 4 (0.01%), 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, Rancho Santa Margarita's population was lowest in year 2022 at 46,722.