West Seneca, New York Demographics & Population 2026
During the 2020–2024 ACS period, West Seneca, New York had a total population of 45,303, the 20th largest community in New York, with a median household income of $79,709, which is 7% lower than the state average. The poverty rate is 8.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
West Seneca Quick Facts
How West Seneca Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 45,329 | 45,303 | -0.1% |
| Median household income | $75,465 | $79,709 | +5.6% |
| Median home value | $215,000 | $232,800 | +8.3% |
How West Seneca Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
West Seneca Rankings in New York
Explore New York Rankings
Other Cities in Erie County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Buffalo | 276,854 | $50,041 | 26.0% | $164,200 |
| Cheektowaga | 76,056 | $68,613 | 10.7% | $185,500 |
| Tonawanda Town | 56,806 | $77,679 | 10.0% | $215,200 |
| Lackawanna | 19,753 | $52,110 | 23.2% | $140,700 |
| Kenmore | 15,044 | $77,639 | 9.1% | $208,600 |
| Tonawanda | 15,030 | $58,326 | 13.8% | $173,600 |
| Depew | 15,000 | $73,556 | 9.4% | $196,500 |
| Eggertsville | 14,894 | $82,767 | 14.0% | $248,100 |
| Lancaster | 10,113 | $66,148 | 6.7% | $202,200 |
| Hamburg | 9,792 | $112,292 | 3.0% | $248,600 |
Cities Similar to West Seneca
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Irondequoit | 50,657 | $79,162 | $182,500 | 40.4% | 9.2% |
| Freeport | 44,088 | $120,625 | $505,900 | 27.5% | 7.4% |
| Tonawanda Town | 56,806 | $77,679 | $215,200 | 39.4% | 10.0% |
| Brighton | 36,834 | $85,467 | $282,100 | 68.6% | 8.8% |
| Troy | 51,033 | $58,477 | $206,500 | 37.3% | 23.4% |
Population Overview
West Seneca is a mid-sized community located in New York, within Erie County. The total population is 45,303. It ranks as the 20th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in West Seneca is 43.5 years. This is 9% higher than the state median of 39.8 years.
Economy, Income & Housing
The median household income in West Seneca is $79,709. This is 7% lower than the state median of $85,974. It is also 1% lower than the national median of $80,734. The poverty rate stands at 8.8%. This is 37% lower than the state poverty rate of 14.0%. The unemployment rate is 4.7%. This is 26% lower than the state rate of 6.4%. The median home value is $232,800. Housing costs are 45% lower than the state median of $423,800. With a home-value-to-income ratio of just 2.9x, West Seneca is one of the most affordable housing markets in the area. 76.9% of occupied housing units are owner-occupied. This homeownership rate is 41% higher than the state average of 54.4%.
Race & Ethnicity
West Seneca has a predominantly White (non-Hispanic) population, comprising 90.7% of all residents. Hispanic or Latino residents account for 3.7%. The White (non-Hispanic) population is significantly higher than the state average (90.7% vs 52.8%). The Black or African American population (2.0%) is well below the state average of 13.4%. The Hispanic or Latino population (3.7%) is well below the state average of 19.8%. The Asian population (0.7%) is well below the state average of 9.0%.
Education
34.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% lower than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.5%.
Data Sources & Methodology
All demographic data for West Seneca, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of West Seneca, New York?
West Seneca, New York has a population of 45,303 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in West Seneca, NY?
The median household income in West Seneca is $79,709, which is 1% lower than the national median of $80,734.
What is the poverty rate in West Seneca, NY?
The poverty rate in West Seneca is 8.8%. This means approximately 3,972 residents live below the federal poverty line.
What is the racial makeup of West Seneca, New York?
West Seneca's population is 90.7% White, 2.0% Black, 3.7% Hispanic/Latino, and 0.7% Asian.
What is the median home value in West Seneca, NY?
The median home value in West Seneca is $232,800. The home-value-to-income ratio is 2.9x.
How educated is West Seneca, New York?
34.5% of adults (25+) in West Seneca hold a bachelor's degree or higher, and 12.8% hold a graduate or professional degree.