Niagara County, New York
Located in New York, Niagara County has a population of 210,721 residents and a median age of 43.3 years, making it the #332 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.5%. The median home value is $189,800, and the median household income is $69,633, which is 7% below the national median.
Demographics
Niagara County has a population of 210,721, making it the #332 most populous county in the US. The median age is 43.3 years, which is 11.3% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Niagara County is $69,633, ranking #1,225 out of 3,222 counties — 7.3% below the national median. The poverty rate is 13.5% and unemployment stands at 5.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Niagara County is $189,800 (-32.7% vs national). Renters pay a median of $899/mo and the homeownership rate is 71.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Niagara County, 28.0% of adults age 25+ hold a bachelor's degree or higher, which is 17.0% below the national average, ranking #926 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Niagara County is 75.4 years. 14.8% of adults report poor or fair health and 4.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.6% of adults in Niagara County smoke , 34.6% are obese , and 23.0% report excessive drinking. The drug overdose death rate is 39.8 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Niagara County is 5.1 per 100,000 and the suicide rate is 12.5 per 100,000. Motor vehicle deaths occur at a rate of 9.9 per 100,000.
Homicide Rate Trend
Families & Children
20.0% of children in Niagara County live in poverty and the infant mortality rate is 5.6 per 1,000 live births. The teen birth rate is 14.9 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Niagara County is 63.5%. The mean commute time is 24.5 min, which is 11.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Niagara County voted Republican with a margin of 15.0%. The vote was 42.5% Dem / 57.5% Rep. Compared to 2020, the margin shifted 5.3 toward Republicans .
Vote Share Over Time
About Niagara County, New York
Niagara County, New York has a total population of 210,721, making it the 332nd most populous county in the United States. The median age in Niagara County is 43.3 years, which is 11.3% above the national median of 38.9 years.
The median household income in Niagara County is $69,633, which ranks #1,225 of 3,222 counties nationwide. This is 7.3% below the national median of $75,149. The poverty rate is 13.5%, higher than the national rate of 12.6%. The unemployment rate stands at 5.9%.
The median home value in Niagara County is $189,800, 32.7% below the national median. Renters in Niagara County pay a median gross rent of $899 per month. The homeownership rate is 71.2%, compared to the national rate of 64.4%.
In Niagara County, 28.0% of residents aged 25 and older hold a bachelor's degree or higher, 17.0% below the national average of 33.7%. Health insurance coverage stands at 97.1% of the population. The average commute time for workers is 24.5 min.
Niagara County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 82.1% of the population, followed by Black (non-Hispanic) (6.3%) and Two or More Races (5.4%).
All data for Niagara County, New York comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.