Buffalo Population

1810–2026

274.01K

2026 projection

1.6% since 2020 (decrease)

0100K200K300K400K500K600K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Buffalo. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026274,006-6070.22%
2025274,613-7090.26%
2024275,322-4500.16%
2023275,772-4790.17%
2022276,251-1,3420.48%
2021277,593-7560.27%
2020278,349+1,3270.48%
2019277,022+1,7860.65%
2018275,236+1,8150.66%
2017273,421+1,8400.68%

Showing 10 of 37 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Buffalo has a population change lower than Erie County, New York, and the U.S.

  • United States+3.1%
  • New York−0.6%
  • Erie County−0.6%
  • Buffalo−1.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Buffalo Demographics

34.3median age

Median age

Female35.1 yrs
Male33.7 yrs

Adults

215,053
39,279 seniors (65+) · 18% of adults175,774 other adults

Sex

Female 52.3% · 144,768Male 47.7% · 132,086

Population by age

MaleFemale85+ years, male: 1,24185+ years, female: 2,57980–84 years, male: 1,63280–84 years, female: 2,67175–79 years, male: 2,63675–79 years, female: 3,21470–74 years, male: 4,72070–74 years, female: 5,96465–69 years, male: 6,57265–69 years, female: 8,05060–64 years, male: 7,57560–64 years, female: 8,11955–59 years, male: 7,90055–59 years, female: 8,60550–54 years, male: 6,80750–54 years, female: 7,59745–49 years, male: 7,37745–49 years, female: 7,12140–44 years, male: 8,24640–44 years, female: 8,72835–39 years, male: 8,31135–39 years, female: 10,01230–34 years, male: 11,87730–34 years, female: 12,14825–29 years, male: 11,76325–29 years, female: 13,36220–24 years, male: 10,17020–24 years, female: 12,17915–19 years, male: 9,06915–19 years, female: 8,68410–14 years, male: 8,95710–14 years, female: 8,0215–9 years, male: 8,7525–9 years, female: 9,4490–4 years, male: 8,4810–4 years, female: 8,26585+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K10K10K

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 2,769 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

Buffalo Income

$50,041median household income

Median household income

$50,041

Half of households earn more, half earn less

Median earnings

$41,754

Typical yearly pay for a worker 25 or older.

Poverty rate

26%

About 1 in 4 residents

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

Buffalo Marital Status

29% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married29%31%27%
Never married53%54%51%
Divorced11%10%12%
Widowed5%3%7%
Separated2%2%3%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources