Marion, Iowa Population 2020

41,213
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Marion is a city located in Iowa. With a 2020 population of 41,213, it is the 13th largest city in Iowa and the 951st largest city in the United States. Marion is currently growing at a rate of 1.52% annually and its population has increased by 18.54% since the most recent census, which recorded a population of 34,768 in 2010. Spanning over 18 miles, Marion has a population density of 2,327 people per square mile.

The average household income in Marion is $84,813 with a poverty rate of 7.22%. The median rental costs in recent years comes to $658 per month, and the median house value is $161,500. The median age in Marion is 38.9 years, 37.7 years for males, and 40 years for females. For every 100 females there are 94.4 males.

Marion Demographics

According to the most recent ACS, the racial composition of Marion was:

  • White: 93.88%
  • Black or African American: 2.45%
  • Two or more races: 2.35%
  • Other race: 0.71%
  • Asian: 0.57%
  • Native Hawaiian or Pacific Islander: 0.04%
  • Native American: 0.01%
The current population of Marion, Iowa is 41,213, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 39,979.The last official US Census in 2010 recorded the population at 34,768.

Marion, Iowa Population 2020

Population by Race

Race Population Percentage
White36,32993.88%
Black or African American9492.45%
Two or More Races9102.35%
Some Other Race2760.71%
Asian2190.57%
Native Hawaiian and Other Pacific Islander140.04%
American Indian and Alaska Native20.01%
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Marion Population Pyramid 2020

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Marion Median Age

38.9


Total

37.7


Male

40


Female

Marion Adults

There are 29,228 adults, (6,064 of whom are seniors) in Marion.

Marion Age Dependency

67.1

Age Dependency Ratio

26.2

Old Age Dependency Ratio

40.9

Child Dependency Ratio

Marion Sex Ratio

Female

19,904

51.43%

Male

18,795

48.57%

Marion Households and Families

Marion Renter vs Owner Occupied by Household Type

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Marion Household Types

Type Owner Renter
Married91.7%8.3%
All77.4%22.6%
Male67.1%32.9%
Female62.2%37.8%
Non Family60.3%39.7%

77.4%

Rate of Home Ownership

Type Count Average Size Owned
All15,8052.4377.4
Married8,3503.0191.7
Non Family5,4421.2860.3
Female1,3623.1362.2
Male6513.1767.1

2.99

Average Family Size

2.43

Average Household Size

6%

Unmarried (Opposite Sex)

0.5%

Unmarried (Same Sex)

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Marion Education

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Education Attained Count Percentage
Less Than 9th Grade2660.99%
9th to 12th Grade5572.07%
High School Graduate7,26427.01%
Some College6,21923.13%
Associates Degree3,23112.02%
Bachelors Degree6,56624.42%
Graduate Degree2,78710.36%
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Marion Educational Attainment by Race

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Name Total High School Bachelors
White25,34724,6588,977
Hispanic588508175
Black48947071
Multiple Races395395129
Other Race208160108
Asian935825
Native American22

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 51.92%.

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Name Average Male Female
Overall$42,999$51,637$36,505
Less Than High School$$30,766$
High School Grad$30,826$32,468$27,127
Some College$40,304$48,624$32,242
Bachelors Degree$59,407$80,139$47,500
Graduate Degree$67,536$88,526$61,678

$42,999

Average Earnings

$51,637

Average Male

$36,505

Average Female

Marion Language

Marion Language by Age

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Marion Language

97.84% of Marion residents speak only English, while 2.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.21% of the population.

Marion Poverty

Marion Poverty by Race

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Name Total In Poverty Poverty Rate
White35,2662,2056.25%
Multiple91028931.76%
Hispanic98315115.36%
Asian2199945.21%
Other2763111.23%
Black949171.79%

7.22%

Overall Poverty Rate

5.39%

Male Poverty Rate

8.96%

Female Poverty Rate

Poverty in Marion

The race most likely to be in poverty in Marion is Asian, with 45.21% below the poverty level.

The race least likely to be in poverty in Marion is Black, with 1.79% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.80%. Among those working part-time, it was 9.20%, and for those that did not work, the poverty rate was 10.31%.

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Name Poverty
Less Than High School27.77%
Some College7.77%
High School3.93%
Bachelors or Greater2.10%
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Name Poverty
Female Unemployed49.20%
Female Employed7.07%
Male Employed1.49%
Male Unemployed0.00%

Marion Income

Marion Income by Household Type

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Name Median Mean
Households$69,496$84,813
Families$90,740$103,474
Married Families$98,610-
Non Families$37,685$47,717
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Marion Marital Status

Marion Marital Status

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Marriage Rates

55.4%

Overall Marriage Rate

58.7%

Male Marriage Rate

52.5%

Female Marriage Rate

Marion Married by Age and Sex

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Marion Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Marion Marital Status by Race

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Marion Veterans

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2,611

Number of Veterans

2,458

Male Veterans

153

Female Veterans

War Veterans
Vietnam889
First Gulf War457
Second Gulf War326
Korea301
World War II91
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Age Group Veterans
35 to 54706
65 to 74687
75+586
55 to 64470
18 to 34162
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Name Veterans % of Total
White2,5749.21%
Hispanic365.18%
2 or More194.81%
Other187.53%

Marion Veterans by Education

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2.94%

Veteran Poverty Rate

28.53%

Veteran Disability Rate

Marion Employment Status

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71.7%

Labor Force Participation

69.1%

Employment Rate

3.5%

Unemployment Rate

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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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71.60%

Born in Iowa

97.95%

Native Born

2.05%

Foreign Born

0.95%

Non Citizen

1.09%

Naturalized

Place of Birth

97.95% of Marion residents were born in the United States, with 71.60% having been born in Iowa. 0.95% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202041,2136171.52%
201940,5966171.54%
201839,9795531.40%
201739,4266171.59%
201638,8099092.40%
201537,9005401.45%
201437,3605601.52%
201336,8004551.25%
201236,3455371.50%
201135,8085511.56%
201035,2578,9632.98%
200026,2945,8912.57%
199020,4039290.47%
198019,4741,4460.77%
197018,0287,1465.18%
196010,8824,9666.28%
19505,9161,1952.28%
19404,7213730.83%
19304,3482100.50%
19204,138-262-0.61%
19104,4002980.70%
19004,1021,0082.86%
18903,0940.00%