West Seneca Population

2011–2026

45,472

2026 projection

0.4% since 2020 (increase)

010K20K30K40K50K20122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for West Seneca. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202645,472+480.11%
202545,424+950.10%
202345,329-580.13%
202245,387-30.01%
202145,390+1180.26%
202045,272-720.16%
201945,344+120.03%
201845,332-80.02%
201745,340+1430.32%
201645,197+1080.24%

Showing 10 of 15 years.

West Seneca Demographics

43.5median age

Median age

Female43.3 yrs
Male43.6 yrs

Adults

36,828
9,245 seniors · 25%27,583 other adults

Sex

Female 51.7% · 23,443Male 48.3% · 21,860

Population by age

MaleFemale85+ years, male: 41585+ years, female: 87380–84 years, male: 42980–84 years, female: 74075–79 years, male: 55875–79 years, female: 96870–74 years, male: 1,12870–74 years, female: 1,18965–69 years, male: 1,35065–69 years, female: 1,59560–64 years, male: 1,48760–64 years, female: 1,93255–59 years, male: 2,08555–59 years, female: 1,44950–54 years, male: 1,71850–54 years, female: 1,67345–49 years, male: 1,20845–49 years, female: 85940–44 years, male: 1,55240–44 years, female: 1,43735–39 years, male: 1,25535–39 years, female: 1,53030–34 years, male: 1,56730–34 years, female: 1,69825–29 years, male: 1,57025–29 years, female: 1,17520–24 years, male: 1,24420–24 years, female: 1,35115–19 years, male: 1,10515–19 years, female: 1,40710–14 years, male: 1,18010–14 years, female: 9825–9 years, male: 1,1235–9 years, female: 1,2770–4 years, male: 8860–4 years, female: 1,30885+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 453 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

West Seneca Income

$79,709median household income

Median household income

$79,709

Half of households earn more, half earn less

Median earnings

$58,321

Typical yearly pay for a worker 25 or older.

Poverty rate

8.8%

About 1 in 11 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

West Seneca Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%49%46%
Never married35%37%32%
Divorced9%8%10%
Widowed7%4%11%
Separated1%2%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year