Orange County, CA Population

Overview

3.18 million

Total Population

38.5

Median age

50.40%

Female population %

98.4:100

Gender ratio (M:F)

25-29 years

Largest age group

49.0

Total dependency ratio

White

Largest racial group

1.08 million

Hispanic population

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

TABLE OF CONTENTS

Age

Orange County's population is old compared to the rest of the country:

The median age in Orange County is 38.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Orange County's population under 18 was 21.98%, compared to the 22.51% nationwide.
Orange County's elderly or the senior population (over 65 age) was 14.84% as compared to 16.04% nationwide.
Of the total population in Orange County, 18.04% were under the age of 15, 20.29% aged 15 to 29, 46.83% aged 30 to 64, 12.81% aged 65 to 84, and 2.03% were 85 years of age and older.

There are 25,539 more females than males in Orange County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.40% females and 49.60% males in Orange County, CA.
The Orange County, CA gender ratio is 98.4:100 i.e. 98.4 men to 100 women (0.984).
For male population, the largest age group is 25-29 years with a population of 119,732.
For the female population, the largest age group is 25-29 years with a population of 114,509.

Orange County's population has become increasingly diverse:

Racial distribution of Orange County population: 53.65% are White, 1.73% are Black or African American, 0.58% are American Indian and Alaska Native, 21.31% are Asian, 0.29% are Native Hawaiian and other Pacific Islander, 12.94% are some other race and 9.49% are multiracial.
Orange County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1.08 million is Hispanic or Latino (of any race), and 2.10 million (65.97% of the total population) is Non-Hispanic.
The largest racial group in Orange County is White with a population of 1.71 million (53.65% of the total population).

Orange County's population has already reached its peak and is showing a trend of decline:

The peak population was 3,185,516 in the year 2020
From 2000 to 2010, Orange County's population increased by 160,135 (5.61%), as compared to the national growth of 9.63%.
From 2010 to 2020, Orange County's population increased by 169,140 (5.61%), 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, Orange County's population was lowest in year 2000 at 2,856,241.