Buffalo, IL Demographics

The total population of Buffalo is estimated to be 397 with 195 males (49.12%) and 202 females (50.88%). There are 7 more females than males in Buffalo.
The median household income in Buffalo was $59,991 in 2021, which marked an an increase of 218(0.36%) from $59,773 in 2020. This income is 80.41% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Buffalo sees its highest median household income among householders in the age group of 45 to 64 years old, at $95,661. Overall, the median household income for the village of Buffalo stands at $59,991.
In Buffalo, the median income for all workers aged 15 years and older, regardless of work hours, was $49,992 for males and $28,374 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $81,303 for males and $48,791 for females.
In Buffalo, population is primarily represented by White households, reporting a median income of $56,072.
In 2022, the population of Buffalo was 438, a 1.13% decrease year-by-year from 2021. Previously, in 2021, Buffalo's population was 443, a decline of 0.67% compared to a population of 446 in 2020.
The median age in Buffalo, IL is 48.2, as per 2021 ACS 5-Year Estimates. Of the total population, 15.83% were under the age of 15, 14.44% aged 15 to 29, 46.11% aged 30 to 64, 22.78% aged 65 to 84, and 0.83% were 85 years of age and older.
Racial distribution of Buffalo population: 87.78% are White, 1.39% are Asian and 10.83% are multiracial.