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.

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

Altona Population

Altona Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Altona includes 93.23% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White49693.23%
Two or more races366.77%

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 $0. Household income levels show a median of $250,001. The poverty rate stands at 4.51%.

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
Households$250,001$378,012
Families$250,001$514,980
Married Families$250,001-
Non Families-$235,651

$0

Average Income

$250,001

Median Household Income

4.51%

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)