Buffalo, OH Demographics

A map of Buffalo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	936	361	100.0%	96.8%
Black	0	1	0.0%	0.3%
Asian	0	0	0.0%	0.0%
Hispanic	0	3	0.0%	0.8%
Native American/Other	0	0	0.0%	0.0%
Multiracial	0	8	0.0%	2.1%

Buffalo, Ohio has an estimated population of 936, a dramatic increase from the 373 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Buffalo, with one dot drawn for each person counted by the Census, color-coded by race.

Buffalo has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Ohio overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Buffalo, that probability was 6.3% in 2020 and 0.0% in the most recent ACS estimates.

Buffalo is ranked the 701st most populous place in Ohio, out of 1,265 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Buffalo was ranked the 954th most populous place in the 2020 Census.

Buffalo's White Population

936 residents of Buffalo, or 100.0% of the population, identify as White. The share of White residents in Buffalo is significantly higher than in Ohio overall, where 75.8% of the population is White. Buffalo ranks 63rd statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Buffalo's White population has grown by an estimated 159.3%. White residents' share of Buffalo's population has increased from 96.8% to 100.0%.

Buffalo is more White than neighboring Pleasant City (96% White), Byesville (95% White), Senecaville (93.6% White), Lore City (93.7% White), and Sarahsville (97.5% White).

Buffalo's Black Population

0 residents of Buffalo, or 0.0% of the population, identify as Black. The share of Black residents in Buffalo is considerably lower than in Ohio overall, where 12% of the population is Black. Buffalo ranks 941st statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Buffalo's Black population has declined by an estimated 100.0%. Black residents' share of Buffalo's population has remained roughly unchanged at 0.0%.

Buffalo is less Black than neighboring Pleasant City (0.9% Black), and Byesville (0.3% Black).

Buffalo's Asian Population

0 residents of Buffalo, or 0.0% of the population, identify as Asian. The share of Asian residents in Buffalo is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Buffalo ranks 911th statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Buffalo's Asian population has grown from 0 to an estimated 0. Asian residents' share of Buffalo's population has remained roughly unchanged at 0.0%.

Buffalo is less Asian than neighboring Pleasant City (0.5% Asian), and Byesville (1% Asian).

Buffalo's Hispanic Population

0 residents of Buffalo, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Buffalo is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Buffalo ranks 1069th statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Buffalo's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Buffalo's population has decreased from 0.8% to 0.0%.

Buffalo is less Hispanic than neighboring Senecaville (0.7% Hispanic), and Lore City (0.7% Hispanic).

Buffalo's Native American/Other Population

0 residents of Buffalo, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Buffalo is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Buffalo ranks 1045th statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Buffalo's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Buffalo's population has remained roughly unchanged at 0.0%.

Buffalo is less Native American/Other than neighboring Lore City (0.7% Native American/Other).

Buffalo's Multiracial Population

0 residents of Buffalo, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Buffalo is slightly lower than in Ohio overall, where 4.3% of the population is Multiracial. Buffalo ranks 1109th statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Buffalo's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Buffalo's population has decreased from 2.1% to 0.0%.

Buffalo is less Multiracial than neighboring Pleasant City (2.5% Multiracial), Byesville (3.7% Multiracial), Senecaville (5.7% Multiracial), Lore City (5% Multiracial), and Sarahsville (2.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.