Altona Flag

Altona

County:
Knox County
County Seat:
No
Area (mi²):
0.938
State:
Illinois

Altona is a village located in Knox County, Illinois. Altona has a 2025 population of 437. Altona is currently declining at a rate of -1.13% annually and its population has decreased by -5.41% since the most recent census, which recorded a population of 462 in 2020.

The average household income in Altona is $86,066 with a poverty rate of 8.29%.The median age in Altona is 40.4 years: 34.5 years for males, and 43.5 years for females.

437
Total Population
466
Density (mi²)
-5 -1.13%
Growth

Altona Population

Altona Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Altona includes 98.46% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White51198.46%
Two or more races81.54%

Altona Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Altona's average per capita income is $58,375. Household income levels show a median of $67,125. The poverty rate stands at 8.29%.

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
Families$81,250$101,756
Married Families$81,250-
Households$67,125$86,066
Non Families$36,786$41,339

$58,375

Average Income

$67,125

Median Household Income

8.29%

Poverty Rate

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)