Columbus Junction, Iowa Population 2021

1,793
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Columbus Junction is a city located in Louisa County Iowa. With a 2020 population of 1,793, it is the 179th largest city in Iowa and the 8033rd largest city in the United States . Columbus Junction is currently declining at a rate of -1.21% annually and its population has decreased by -5.58% since the most recent census, which recorded a population of 1,899 in 2010. Columbus Junction reached it's highest population of in . Spanning over 2 miles, Columbus Junction has a population density of 819 people per square mile.

The average household income in Columbus Junction is $51,892 with a poverty rate of 15.97%. The median rental costs in recent years comes to $608 per month, and the median house value is $94,600. The median age in Columbus Junction is 35.1 years, 31.2 years for males, and 39.4 years for females.

Columbus Junction Demographics

According to the most recent ACS, the racial composition of Columbus Junctionwas:

  • White: 71.83%
  • Asian: 16.64%
  • Other race: 8.70%
  • Black or African American: 2.15%
  • Two or more races: 0.67%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Columbus Junction, Iowa is 1,793 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 1,837.The last official US Census in 2010 recorded the population at 1,899.

Columbus Junction, Iowa Population 2021

Population by Race

Race Population Percentage
White1,60171.83%
Asian37116.64%
Some Other Race1948.70%
Black or African American482.15%
Two or More Races150.67%
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Columbus Junction Population by Race

Columbus Junction Population Pyramid $2021

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Columbus Junction Median Age

35.1


Total

31.2


Male

39.4


Female

Columbus Junction Adults

There are 1,657 adults, (413 of whom are seniors) in Columbus Junction.

Columbus Junction Age Dependency

79.2

Age Dependency Ratio

33.2

Old Age Dependency Ratio

46

Child Dependency Ratio

Columbus Junction Sex Ratio

Female

1,070

48.00%

Male

1,159

52.00%

Columbus Junction Population by Age

Columbus Junction Renter vs Owner Occupied by Household Type

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Columbus Junction Household Types

Type Owner Renter
Female39.4%60.6%
Male53.8%46.2%
Non Family61.3%38.7%
All65.4%34.6%
Married76.5%23.5%

65.4%

Rate of Home Ownership

Columbus Junction Households and Families

Type Count Average Size Owned
All8382.6265.4
Married3873.4376.5
Non Family3051.1561.3
Female943.6539.4
Male523.2753.8

3.37

Average Family Size

2.62

Average Household Size

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Columbus Junction Households by Type

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Education Attained Count Percentage
Less Than 9th Grade16611.42%
9th to 12th Grade27118.64%
High School Graduate46131.71%
Some College19213.20%
Associates Degree1037.08%
Bachelors Degree16811.55%
Graduate Degree936.40%
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Columbus Junction Educational Attainment by Sex (over 25)

Columbus Junction Educational Attainment by Race

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Race Total High School Bachelors
White707610144
Hispanic49724857
Asian19911253
Other Race12710453
Black42384
2+ Races993

The highest rate of high school graduation is among 2+ races people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 41.73%.

Columbus Junction Educational Attainment by Race

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Name Average Male Female
Overall$33,750$37,745$30,779
Less Than 9th Grade$37,628$39,570$30,792
High School Graduate$30,547$34,167$27,212
Some College$35,223$37,024$30,694
Bachelors Degree$$$31,389
Graduate Degree$$$

$33,750

Average Earnings

$37,745

Average Male

$30,779

Average Female

Columbus Junction Earnings by Educational Attainment

Columbus Junction Language by Age

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Columbus Junction Language

46.96% of Columbus Junction residents speak only English, while 53.04% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 36.29% of the population.

Columbus Junction Language

Columbus Junction Poverty by Race

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Name Total In Poverty Poverty Rate
White88914416.20%
Asian37110829.11%
Hispanic871738.38%
Black482552.08%
Other1942010.31%

15.97%

Overall Poverty Rate

12.93%

Male Poverty Rate

19.33%

Female Poverty Rate

Poverty in Columbus Junction

The race most likely to be in poverty in Columbus Junction is Black, with 52.08% below the poverty level.

The race least likely to be in poverty in Columbus Junction is Hispanic, with 8.38% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.64%. Among those working part-time, it was 20.00%, and for those that did not work, the poverty rate was 21.71%.

Columbus Junction Poverty

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Name Poverty
Less Than 9th Grade18.08%
High School12.10%
Bachelors or Greater2.30%
Some College2.14%

Columbus Junction Poverty Rate by Education

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Rate Poverty
Male Unemployed51.22%
Female Employed10.39%
Male Employed9.66%
Female Unemployed0.00%

Columbus Junction Poverty Rate by Employment Status and Sex

Columbus Junction Income by Household Type

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Name Median Mean
Households$47,151$51,892
Families$57,614$60,234
Married Families$71,372-
Non Families$31,411$33,548
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Income by Household Type

Columbus Junction Marital Status

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Marriage Rates

50.3%

Overall Marriage Rate

51.7%

Male Marriage Rate

48.8%

Female Marriage Rate

Columbus Junction Married by Age and Sex

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Columbus Junction Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Columbus Junction Marital Status by Race

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Columbus Junction Marital Status

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80

Number of Veterans

76

Male Veterans

4

Female Veterans

War Veterans
Vietnam30
First Gulf War12
World War II11
Korea10
Second Gulf War4

Columbus Junction Veterans by War

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Age Group Veterans
75+24
65 to 7423
55 to 6418
35 to 5411
18 to 344

Columbus Junction Veterans by Age

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Columbus Junction Veterans by Race

Columbus Junction Veterans by Education

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3.75%

Veteran Poverty Rate

46.25%

Veteran Disability Rate

Columbus Junction Veterans by Education

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62%

Labor Force Participation

57.6%

Employment Rate

7.1%

Unemployment Rate

Columbus Junction Employment by Age

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Columbus Junction Employment by Race

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Columbus Junction Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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51.55%

Born in Columbus Junction

69.45%

Native Born

30.55%

Foreign Born

23.06%

Non Citizen

7.49%

Naturalized

Place of Birth

69.45% of Columbus Junction residents were born in the United States, with 51.55% having been born in Iowa. 23.06% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Columbus Junction Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20211,793-22-1.21%
20201,815-22-1.20%
20191,837-22-1.18%
20181,859-7-0.38%
20171,8660.00%
20161,866-9-0.48%
20151,87540.21%
20141,871-21-1.11%
20131,892-2-0.11%
20121,89450.26%
20111,889-6-0.32%
20101,8950.00%

Columbus Junction Population by Year