Rockland County, NY Population

Overview

336,485

Total Population

35.6

Median age

50.65%

Female population %

97.5:100

Gender ratio (M:F)

0-4 years

Largest age group

65.2

Total dependency ratio

White

Largest racial group

60,782

Hispanic population

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

TABLE OF CONTENTS

Age

Rockland County's population is young compared to the rest of the country:

The median age in Rockland County is 35.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Rockland County's population under 18 was 28.80%, compared to the 22.51% nationwide.
Rockland County's elderly or the senior population (over 65 age) was 15.47% as compared to 16.04% nationwide.
Of the total population in Rockland County, 24.00% were under the age of 15, 19.78% aged 15 to 29, 40.75% aged 30 to 64, 13.33% aged 65 to 84, and 2.14% were 85 years of age and older.

There are 4,341 more females than males in Rockland County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.65% females and 49.35% males in Rockland County, NY.
The Rockland County, NY gender ratio is 97.5:100 i.e. 97.5 men to 100 women (0.975).
For male population, the largest age group is 10-14 years with a population of 14,009.
For the female population, the largest age group is 0-4 years with a population of 13,641.

Rockland County's population has become increasingly diverse:

Racial distribution of Rockland County population: 69.40% are White, 11.54% are Black or African American, 0.18% are American Indian and Alaska Native, 5.95% are Asian, 0% are Native Hawaiian and other Pacific Islander, 7.60% are some other race and 5.31% are multiracial.
Rockland County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 60,782 is Hispanic or Latino (of any race), and 275,703 (81.94% of the total population) is Non-Hispanic.
The largest racial group in Rockland County is White with a population of 233,528 (69.40% of the total population).

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

The peak population was 339,256 in the year 2021
From 2000 to 2010, Rockland County's population increased by 25,147 (8.75%), as compared to the national growth of 9.63%.
From 2010 to 2020, Rockland County's population increased by 24,897 (7.97%), 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, Rockland County's population was lowest in year 2000 at 287,350.