Buffalo township

County:: Sangamon County
County Seat:: No
Area (mi²):: 33.686
State:: Illinois

Buffalo township is located in Sangamon County, Illinois. Buffalo township has a 2025 population of 2,629. Buffalo township is currently declining at a rate of -0.19% annually and its population has decreased by -1.57% since the most recent census, which recorded a population of 2,671 in 2020.

The average household income in Buffalo township is $69,497 with a poverty rate of 19.89%.The median age in Buffalo township is 33.5 years: 33.2 years for males, and 36.3 years for females.

Demographics

The racial composition of Buffalo township includes 98.53% White, and smaller percentages for Native American, Asian, Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,617	98.53%
Native American	18	0.68%
Asian	11	0.41%
Two or more races	10	0.38%

Buffalo township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Buffalo township's average per capita income is $39,872. Household income levels show a median of $54,875. The poverty rate stands at 19.89%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$92,870	-
Families	$70,809	$79,436
Households	$54,875	$69,497
Non Families	$32,255	$47,104

$39,872

Average Income

$54,875

Median Household Income

19.89%

Poverty Rate