Calamus Flag

Calamus

County:
Clinton County
County Seat:
No
Area (mi²):
0.493
State:
Iowa

Calamus is a city located in Clinton County, Iowa. Calamus has a 2025 population of 347. Calamus is currently declining at a rate of -0.29% annually and its population has decreased by -1.98% since the most recent census, which recorded a population of 354 in 2020.

The average household income in Calamus is $73,038 with a poverty rate of 3.56%.The median age in Calamus is 41.1 years: 39.3 years for males, and 41.7 years for females.

347
Total Population
703
Density (mi²)
-1 -0.29%
Growth

Calamus Population

Calamus Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Calamus includes 94.32% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White38294.32%
Two or more races235.68%

Calamus Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Calamus' average per capita income is $44,500. Household income levels show a median of $66,250. The poverty rate stands at 3.56%.

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
Married Families$92,813-
Families$75,500$86,122
Households$66,250$73,038
Non Families$41,250$49,408

$44,500

Average Income

$66,250

Median Household Income

3.56%

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)