Altamont

County:: Effingham County
County Seat:: No
Area (mi²):: 1.537
State:: Illinois

Altamont is a city located in Effingham County, Illinois. Altamont has a 2025 population of 2,168. Altamont is currently declining at a rate of -0.46% annually and its population has decreased by -2.21% since the most recent census, which recorded a population of 2,217 in 2020.

The average household income in Altamont is $81,064 with a poverty rate of 14.2%. The median age in Altamont is 38 years: 35.1 years for males, and 41.4 years for females.

Demographics

The racial composition of Altamont includes 96.44% White, and smaller percentages for Two or more races, Black or African American, other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,411	96.44%
Two or more races	42	1.68%
Black or African American	26	1.04%
Other race	21	0.84%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Altamont Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Altamont's average per capita income is $47,159. Household income levels show a median of $76,198. The poverty rate stands at 14.2%.

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	$101,983	-
Families	$91,552	$91,886
Households	$76,198	$81,064
Non Families	$41,739	$56,201

$47,159

Average Income

$76,198

Median Household Income

14.2%

Poverty Rate