Altona Flag

Altona

County:
Boulder County
County Seat:
No
Area (mi²):
1.686
State:
Colorado

Altona is a CDP located in Boulder County, Colorado. Altona has a 2025 population of 538 . Altona is currently growing at a rate of 0.37% annually and its population has increased by 12.32% since the most recent census, which recorded a population of 479 in 2020.

The average household income in Altona is $378,012 with a poverty rate of 4.51%. The median age in Altona is 52.9 years: 52.7 years for males, and 55.3 years for females. For every 100 females there are 93.5 males.

538
Total Population
319
Density (mi²)
2 0.37%
Growth

Altona Population

Demographics

Economics and Income Statistics

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)