Niagara County, NY Population

The population of Niagara County is 212,808, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
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

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.
The graph shows Niagara County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Niagara County, NY population by age group. The largest age group was 55-59 years with a poulation of 17,235 (8.10% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Niagara County, NY population by age ➔

Gender

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.
The grouped bar chart shows Niagara County, NY population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 55-59 years (8,717) | Female # 60-64 years (8,738). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Niagara County, NY population by gender ➔

Race / Ethnicity

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).
The bar chart shows Niagara County, NY population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
Niagara County, NY population by race. The largest racial group in Niagara County is White with a population of 183,42 (86.19% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Niagara County, NY population by race ➔

Year by year

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.
The graph shows Niagara County's population from 2000 to 2022, with years on x-axis and population on y-axis
Niagara County's population from 2000 to 2022. The estimated population at the end of 2022 was 210,880. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Niagara County, NY population by year ➔

References

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Niagara County, NY Demographics

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