Altamont Flag

Altamont

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.

2.2K
Total Population
1,411
Density (mi²)
-10 -0.46%
Growth

Altamont Population

Altamont Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White2,41196.44%
Two or more races421.68%
Black or African American261.04%
Other race210.84%

Altamont Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)