Overview
493,194
Total Population
40.4
Median age
51.18%
Female population %
95.4:100
Gender ratio (M:F)
50-54 years
Largest age group
52.2
Total dependency ratio
White
Largest racial group
90,957
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Richmond County's population is old compared to the rest of the country:
- The median age in Richmond County is 40.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Richmond County's population under 18 was 21.97%, compared to the 22.51% nationwide.
- Richmond County's elderly or the senior population (over 65 age) was 16.29% as compared to 16.04% nationwide.
- Of the total population in Richmond County, 18.00% were under the age of 15, 18.89% aged 15 to 29, 46.83% aged 30 to 64, 14.35% aged 65 to 84, and 1.93% were 85 years of age and older.

Read more about Richmond County, NY population by age ➔
Gender
There are 11,684 more females than males in Richmond County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.18% females and 48.82% males in Richmond County, NY.
- The Richmond County, NY gender ratio is 95.4:100 i.e. 95.4 men to 100 women (0.954).
- For male population, the largest age group is 55-59 years with a population of 16,993.
- For the female population, the largest age group is 60-64 years with a population of 18,523.

Read more about Richmond County, NY population by gender ➔
Race / Ethnicity
Richmond County's population has become increasingly diverse:
- Racial distribution of Richmond County population: 69.36% are White, 10.09% are Black or African American, 0.29% are American Indian and Alaska Native, 10.41% are Asian, 0.04% are Native Hawaiian and other Pacific Islander, 4.06% are some other race and 5.75% are multiracial.
- Richmond County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 90,957 is Hispanic or Latino (of any race), and 402,237 (81.56% of the total population) is Non-Hispanic.
- The largest racial group in Richmond County is White with a population of 342,071 (69.36% of the total population).

Read more about Richmond County, NY population by race ➔
Year by year
Richmond County's population has already reached its peak and is showing a trend of decline:
- The peak population was 494,586 in the year 2020
- From 2000 to 2010, Richmond County's population increased by 24,201 (5.43%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Richmond County's population increased by 24,979 (5.32%), 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, Richmond County's population was lowest in year 2000 at 445,406.

Read more about Richmond County, NY population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)