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 2026 population of 451. Altona is currently growing at a rate of 0.45% annually but its population has decreased by -2.38% since the most recent census, which recorded a population of 462 in 2020.

451
Total Population
481
Density (mi²)
2 0.45%
Growth

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)