Census-designated place · New York
West Seneca, New York
West Seneca, census-designated place, in Erie County, New York. West Seneca had 45,303 people in the ACS 2020-2024 5-year estimates (±79). GEOID 3680907.
Residents, 2020-2024
45,303
±79 (90% margin)
2020 Census count: 45,500
Median household income
$79,709
±$4,164 (90% margin)
New York: $85,974
Median home value
$232,800
±$5,955 (90% margin)
New York: $423,800
Median gross rent
$1,106
±$39 (90% margin)
New York: $1,621
Where is West Seneca and what county is it in?
West Seneca is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Erie County, New York. It covers 21.4 square miles of land, 2,127 residents per square mile in 2020.
West Seneca is in the Buffalo-Cheektowaga, NY metropolitan statistical area, which takes in 2 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in West Seneca, and is it growing?
The 2020-2024 American Community Survey puts West Seneca's population at 45,303 (±79). The 2020 Census counted 45,500 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; West Seneca is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | West Seneca | Erie County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 45,303 ±79 | 950,622 | no clear change |
| Households | 20,019 ±588 | 409,665 | no clear change |
| Average household size | 2.24 ±0.07 | 2.26 | no clear change |
| Housing units | 21,150 ±553 | 441,214 | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in West Seneca?
The median resident of West Seneca is 43.5 years old; 18.7% are under 18 and 20.4% are 65 or older. The largest group is non-Hispanic white residents at 90.7%, then Hispanic or Latino residents (of any race) at 3.7%. 2.6% of residents were born outside the United States.
| Measure | West Seneca | Erie County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.5 ±1.3 | 40.4 | −2.0 |
| Under 18 years | 18.7% ±1.2 pts | 20.1% | – |
| 65 years and over | 20.4% ±1.3 pts | 19.3% | – |
| Male | 48.3% ±1.4 pts | 48.7% | – |
| Hispanic or Latino (any race) | 3.7% ±1.3 pts | 6.4% | +2.1 pts |
| White alone, not Hispanic | 90.7% ±1.8 pts | 72.3% | −5.4 pts |
| Black or African American alone, not Hispanic | 2.0% ±1.0 pts | 12.1% | no clear change |
| Asian alone, not Hispanic | 0.7% ±0.6 pts | 4.9% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.1 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.8% ±0.7 pts | 3.5% | – |
| Some other race alone, not Hispanic | 0.0% ±0.1 pts | 0.4% | – |
| Born outside the United States | 2.6% ±0.6 pts | 7.5% | no clear change |
| Speak a language other than English at home (age 5+) | 5.2% ±1.5 pts | 11.3% | – |
| Civilian veterans (age 18+) | 6.7% ±1.0 pts | 5.7% | – |
| With a disability | 13.2% ±1.4 pts | 13.8% | – |
| No health insurance coverage | 3.1% ±1.0 pts | 2.9% | no clear change |
| High school graduate or higher (age 25+) | 94.5% ±0.9 pts | 92.5% | – |
| Bachelor's degree or higher (age 25+) | 34.5% ±2.1 pts | 38.0% | +4.9 pts |
| Graduate or professional degree (age 25+) | 12.8% ±1.3 pts | 17.1% | – |
| Lived in the same house a year earlier | 92.9% ±1.2 pts | 89.4% | – |
| Moved from another state in the past year | 0.4% ±0.2 pts | 1.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in West Seneca earn?
Half of West Seneca's 20,019 households earn less than $79,709 a year (±$4,164), against $72,839 in Erie County and $85,974 in New York. In 2015-2019 it was $83,216 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.8% of residents live below the poverty line.
| Measure | West Seneca | Erie County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $79,709 ±$4,164 | $72,839 | no clear change |
| Mean household income | $98,867 ±$3,929 | $97,738 | – |
| Per capita income | $43,684 ±$1,826 | $42,777 | no clear change |
| People below the poverty line | 8.8% ±2.0 pts | 13.9% | +2.7 pts |
| Children under 18 below the poverty line | 6.6% ±3.3 pts | 18.5% | no clear change |
| Households receiving SNAP | 9.9% ±1.8 pts | 15.5% | – |
| Households with a computer | 93.1% ±1.5 pts | 94.1% | – |
| Households with a broadband subscription | 90.7% ±1.9 pts | 90.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in West Seneca?
Owners occupy 76.9% of West Seneca's occupied homes and renters 23.1%. The median owner-occupied home is valued at $232,800 by its owner (±$5,955). The median renter pays $1,106 a month including utilities, and 37.9% of renters pay 35% or more of their income on rent.
| Measure | West Seneca | Erie County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $232,800 ±$5,955 | $233,800 | +$46,104 |
| Median gross rent | $1,106 ±$39 | $1,090 | +$80 |
| Renters paying 35% or more of income on rent | 37.9% ±6.7 pts | 41.3% | no clear change |
| Median monthly owner costs, with a mortgage | $1,644 ±$43 | $1,619 | – |
| Owner-occupied homes | 76.9% ±2.2 pts | 65.8% | no clear change |
| Renter-occupied homes | 23.1% ±2.2 pts | 34.2% | – |
| Housing units | 21,150 ±553 | 441,214 | no clear change |
| Homeowner vacancy rate | 0.3% ±0.3 pts | 0.6% | – |
| Rental vacancy rate | 2.4% ±2.1 pts | 3.8% | – |
| Single-family detached homes | 68.9% ±2.1 pts | 58.9% | – |
| Mobile homes | 1.3% ±0.6 pts | 1.5% | – |
| Built 2020 or later | 0.2% ±0.2 pts | 0.6% | – |
| Built 2010 to 2019 | 5.5% ±1.1 pts | 4.4% | – |
| Built 1939 or earlier | 12.0% ±1.7 pts | 29.4% | – |
| Households with no vehicle | 7.5% ±1.5 pts | 11.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in West Seneca work and get to work?
81.2% of West Seneca's workers drive alone and 10.2% work from home. The average trip to work takes 23.0 minutes. The unemployment rate in 2020-2024 averaged 4.7%.
| Measure | West Seneca | Erie County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 64.2% ±1.8 pts | 62.4% | – |
| Unemployment rate | 4.7% ±1.2 pts | 4.9% | +1.6 pts |
| Drove alone to work | 81.2% ±1.9 pts | 72.4% | – |
| Carpooled | 6.2% ±1.2 pts | 7.8% | – |
| Public transportation | 0.4% ±0.3 pts | 2.8% | – |
| Walked | 0.5% ±0.3 pts | 2.3% | – |
| Worked from home | 10.2% ±1.5 pts | 12.9% | +7.6 pts |
| Mean travel time to work | 23.0 min ±1.8 | 21.3 min | +2.0 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in West Seneca?
13 census tracts lie mostly in West Seneca (2020 census blocks). Their median household incomes run from $56,736 (Tract 115) to $118,315 (Tract 112.01).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 120.01Erie County | 5,033 | $87,313 |
| Tract 120.03Erie County | 4,975 | $117,656 |
| Tract 112.02Erie County | 4,687 | $78,472 |
| Tract 113Erie County | 4,600 | $74,701 |
| Tract 173.02Erie County | 4,327 | $76,250 |
| Tract 118Erie County | 3,916 | $78,125 |
| Tract 117Erie County | 3,824 | $64,922 |
| Tract 120.02Erie County | 3,607 | $100,556 |
| Tract 173.01Erie County | 2,546 | $113,019 |
| Tract 114Erie County | 2,533 | $71,060 |
| Tract 116Erie County | 2,065 | $66,362 |
| Tract 112.01Erie County | 1,871 | $118,315 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in West Seneca) · Census block assignment files
How does West Seneca compare with other places in New York?
West Seneca ranks 889th of 1,623 places in New York with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 45th | 1,657 |
| Residents per square mile | 408th | 1,657 |
| Median household income | 889th | 1,623 |
| Per capita income | 799th | 1,653 |
| Median home value | 810th | 1,637 |
| Median gross rent | 764th | 1,515 |
| Poverty rate | 754th | 1,331 |
| Bachelor's degree or higher | 745th | 1,640 |
| Median age | 812th | 1,654 |
| Owner-occupied share | 930th | 1,639 |
| Work from home | 891st | 1,350 |
| Travel time to work | 1,095th | 1,652 |
West Seneca's figures with every place in New York (CSV)
Every place in New York, sortable · Compare West Seneca with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for West Seneca?
8 of the 57 figures for West Seneca on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for West Seneca are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.