Rensselaer County, NY Population

Overview

161,125

Total Population

40.1

Median age

50.32%

Female population %

98.7:100

Gender ratio (M:F)

55-59 years

Largest age group

49.9

Total dependency ratio

White

Largest racial group

8,431

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Rensselaer County is 40.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Rensselaer County's population under 18 was 19.54%, compared to the 22.51% nationwide.
Rensselaer County's elderly or the senior population (over 65 age) was 17.21% as compared to 16.04% nationwide.
Of the total population in Rensselaer County, 16.07% were under the age of 15, 20.23% aged 15 to 29, 46.49% aged 30 to 64, 15.11% aged 65 to 84, and 2.10% were 85 years of age and older.

There are 1,045 more females than males in Rensselaer County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.32% females and 49.68% males in Rensselaer County, NY.
The Rensselaer County, NY gender ratio is 98.7:100 i.e. 98.7 men to 100 women (0.987).
For male population, the largest age group is 15-19 years with a population of 6,059.
For the female population, the largest age group is 55-59 years with a population of 6,015.

Rensselaer County's population has become increasingly diverse:

Racial distribution of Rensselaer County population: 84.02% are White, 6.53% are Black or African American, 0.08% are American Indian and Alaska Native, 2.92% are Asian, 0.01% are Native Hawaiian and other Pacific Islander, 1.36% are some other race and 5.08% are multiracial.
Rensselaer County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 8,431 is Hispanic or Latino (of any race), and 152,694 (94.77% of the total population) is Non-Hispanic.
The largest racial group in Rensselaer County is White with a population of 135,381 (84.02% of the total population).

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

The peak population was 160,900 in the year 2020
From 2000 to 2010, Rensselaer County's population increased by 6,714 (4.40%), as compared to the national growth of 9.63%.
From 2010 to 2020, Rensselaer County's population increased by 1,558 (0.98%), 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, Rensselaer County's population was lowest in year 2001 at 152,393.