Columbus Junction Flag

Columbus Junction

County:
Louisa County
County Seat:
No
Area (mi²):
2.147
State:
Iowa

Columbus Junction is a city located in Louisa County, Iowa. Columbus Junction has a 2026 population of 1,773. Columbus Junction is currently declining at a rate of -0.56% annually and its population has decreased by -3.43% since the most recent census, which recorded a population of 1,836 in 2020.

The median household income in Columbus Junction is $63,828 with a poverty rate of 10.33%. The median age in Columbus Junction is 33 years: 32.7 years for males, and 35.1 years for females. For every 100 females there are 117.1 males.

1.8K
Total Population
826
Density (mi²)
-10 -0.56%
Growth

Columbus Junction Population

Columbus Junction Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,773-10-0.56%
20251,783-11-0.61%
20241,794170.96%
20231,777-19-1.06%
20221,796-19-1.05%
20211,815-21-1.14%
20201,836-4-0.22%
20191,818-15-0.82%
20181,833-12-0.65%
20171,84510.05%
20161,844-8-0.43%
20151,85230.16%
20141,849-19-1.02%
20131,868-3-0.16%
20121,87140.21%
20111,867-32-1.69%
20101,872-1-0.05%

Median Age

Overall: 33 years
Female: 35.1 years
Male: 32.7 years

Columbus Junction Adults

There are 1,532 adults, (356 of whom are seniors) in Columbus Junction.

Sex Ratio

Female: 972 (46.1%)
Male: 1,138 (53.9%)

Demographics

The racial composition of Columbus Junction includes 45.59% White, 25.78% other race, 9.67% Asian, 4.74% Black or African American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White96245.59%
Other race54425.78%
Two or more races30014.22%
Asian2049.67%
Black or African American1004.74%
Race
Population ↓
Percentage (of total)
Other race54425.78%
Two or more races26612.61%
White884.17%
Black or African American150.71%
Race
Population ↓
Percentage (of total)
White87441.42%
Asian2049.67%
Black or African American854.03%
Two or more races341.61%

Columbus Junction Marital Status

Economics and Income Statistics

Columbus Junction 's average per capita income is $47,286. Household income levels show a median of $63,828. The poverty rate stands at 10.33%.

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$96,389-
Families$78,452$96,116
Households$63,828$91,920
Non Families$19,931$36,625

$47,286

Average Income

$63,828

Median Household Income

10.33%

Poverty Rate

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)