Columbus Junction is a city located in Louisa County, Iowa. Columbus Junction has a 2025 population of 1,783 . Columbus Junction is currently declining at a rate of -0.61% annually and its population has decreased by -2.89% since the most recent census, which recorded a population of 1,836 in 2020.
The average household income in Columbus Junction is $96,307 with a poverty rate of 9.48%. The median age in Columbus Junction is 34.4 years: 32.5 years for males, and 37.4 years for females. For every 100 females there are 119.7 males.
Data after 2023 is projected based on recent change
The racial composition of Columbus Junction includes 55.8% White, 23.86% other race, 9.39% Asian, and smaller percentages for Black or African American and multiracial populations.
White (55.8%)
Other race (23.86%)
Two or more races (9.49%)
Asian (9.39%)
Black or African American (1.46%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,188 | 55.8% |
| Other race | 508 | 23.86% |
| Two or more races | 202 | 9.49% |
| Asian | 200 | 9.39% |
| Black or African American | 31 | 1.46% |
Married
Widowed
Divorced
Separated
Never Married
Columbus Junction's average per capita income is $49,727. Household income levels show a median of $76,518. The poverty rate stands at 9.48%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,179 | - |
| Families | $86,250 | $103,277 |
| Households | $76,518 | $96,307 |
| Non Families | $29,531 | $38,006 |
Average Income
Median Household Income
Poverty Rate