Altona Flag

Altona

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

Altona is a CDPlocated in Boulder County, Colorado. Altona has a 2026 population of 539. Altona is currently growing at a rate of 0.37% annually and its population has increased by 12.53% since the most recent census, which recorded a population of 479 in 2020.

The median household income in Altona is $149,327 with a poverty rate of 3.92%.The median age in Altona is 47.7 years: 60.2 years for males, and 46.1 years for females. For every 100 females there are 92.5 males.

539
Total Population
320
Density (mi²)
2 0.37%
Growth

Altona Population

Altona Population

Year↓
Population
Growth
Annual Change
202653920.37%
202553730.56%
202353210.19%
2022531-26-4.67%
20215577816.28%
2020479-34-6.63%
20195137116.06%
20184425714.81%
2017385-1-0.26%
2016386-164-29.82%
201555061.1%
2014544326.25%
201351200%
201251212030.61%
2011392-109-21.76%

Median Age

Overall:47.7 years
Female:46.1 years
Male:60.2 years

Altona Adults

There are 505 adults, (173 of whom are seniors) in Altona.

Sex Ratio

Female: 305 (52%)
Male: 282 (48%)

Demographics

The racial composition of Altona includes 93.7% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population↓
Percentage (of total)
White55093.7%
Two or more races376.3%
Race
Population↓
Percentage (of total)
Two or more races122.04%
Race
Population↓
Percentage (of total)
White55093.7%
Two or more races254.26%

Altona Marital Status

Economics and Income Statistics

Altona's average per capita income is $0. Household income levels show a median of $149,327. The poverty rate stands at 3.92%.

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$213,526$261,737
Married Families$213,526-
Households$149,327$216,678
Non Families$95,804$166,858

$0

Average Income

$149,327

Median Household Income

3.92%

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)