Niagara County, NY Population

Overview

212,808

Total Population

43.3

Median age

50.98%

Female population %

96.1:100

Gender ratio (M:F)

55-59 years

Largest age group

55.4

Total dependency ratio

White

Largest racial group

7,134

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Niagara County is 43.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Niagara County's population under 18 was 20.15%, compared to the 22.51% nationwide.
Niagara County's elderly or the senior population (over 65 age) was 19.16% as compared to 16.04% nationwide.
Of the total population in Niagara County, 16.51% were under the age of 15, 17.94% aged 15 to 29, 46.39% aged 30 to 64, 16.47% aged 65 to 84, and 2.69% were 85 years of age and older.

There are 4,188 more females than males in Niagara County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.98% females and 49.02% males in Niagara County, NY.
The Niagara County, NY 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 8,717.
For the female population, the largest age group is 60-64 years with a population of 8,738.

Niagara County's population has become increasingly diverse:

Racial distribution of Niagara County population: 86.19% are White, 6.76% are Black or African American, 0.78% are American Indian and Alaska Native, 1.04% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 0.91% are some other race and 4.29% are multiracial.
Niagara County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 7,134 is Hispanic or Latino (of any race), and 205,674 (96.65% of the total population) is Non-Hispanic.
The largest racial group in Niagara County is White with a population of 183,42 (86.19% of the total population).

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

The peak population was 219,577 in the year 2000
From 2000 to 2010, Niagara County's population decreased by 3,103 (1.41%), as compared to the national growth of 9.63%.
From 2010 to 2020, Niagara County's population decreased by 4,349 (2.01%), 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, Niagara County's population was lowest in year 2019 at 209,563.