Des Moines County, Iowa Population 2021

Des Moines County, Iowa's estimated population is 38,603 with a growth rate of -0.47% in the past year according to the most recent United States census data. Des Moines County, Iowa is the 17th largest county inIowa. The 2010 Population was 40,241 and has seen a growth of -4.07% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202138,603-182-0.47%
202038,785-182-0.47%
201938,967-182-0.46%
201839,149-177-0.45%
201739,326-287-0.72%
201639,613-261-0.65%
201539,874-222-0.55%
201440,096-299-0.74%
201340,3951660.41%
201240,2291630.41%
201140,066-175-0.43%
201040,241-2,373-5.57%
199042,614-3,589-7.77%
198046,203-779-1.66%
197046,9822,3775.33%
196044,6052,5496.06%
195042,0565,25214.27%
194036,804-1,358-3.56%
193038,1622,6427.44%
192035,520-625-1.73%
191036,1451560.43%
190035,9896651.88%
189035,3242,2256.72%
188033,0995,84321.44%
187027,2567,64538.98%
186019,6116,62350.99%
185012,9887,411132.89%
18405,5770.00%
2021 Growth Rate
-0.47% (-182)
County Website
State
Founded
1834
County Seat
2010 Population
40,241
Growth Since 2010
-4.07% (-1,638)
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Des Moines County, Iowa Population Growth

Population by Race

Race Population Percentage
White35,50290.14%
Black or African American2,2585.73%
Two or More Races1,1502.92%
Asian3020.77%
Some Other Race960.24%
American Indian and Alaska Native780.20%
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Des Moines County, Iowa Population by Race

Des Moines County, Iowa Population Pyramid $2021

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Des Moines County, Iowa Median Age

42.9


Total

41.7


Male

43.9


Female

Des Moines County, Iowa Adults

There are 30,457 adults, (7,981 of whom are seniors) in Des Moines County, Iowa.

Des Moines County, Iowa Age Dependency

75.2

Age Dependency Ratio

35.5

Old Age Dependency Ratio

39.7

Child Dependency Ratio

Des Moines County, Iowa Sex Ratio

Female

20,237

51.38%

Male

19,149

48.62%

Des Moines County, Iowa Population by Age

Des Moines County, Iowa Renter vs Owner Occupied by Household Type

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Des Moines County, Iowa Household Types

Type Owner Renter
Female44.3%55.7%
Non Family58.5%41.5%
Male58.8%41.2%
All70.3%29.7%
Married89.4%10.6%

70.3%

Rate of Home Ownership

Des Moines County, Iowa Households and Families

Type Count Average Size Owned
All16,8912.2970.3
Married7,3502.9389.4
Non Family6,5251.258.5
Female1,9553.1944.3
Male1,0612.9458.8

2.86

Average Family Size

2.29

Average Household Size

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Des Moines County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade6212.26%
9th to 12th Grade1,5635.70%
High School Graduate9,17733.46%
Some College6,76524.66%
Associates Degree3,78013.78%
Bachelors Degree3,80813.88%
Graduate Degree1,7156.25%
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Des Moines County, Iowa Educational Attainment by Sex (over 25)

Des Moines County, Iowa Educational Attainment by Race

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Race Total High School Bachelors
White25,18723,3745,280
Black1,13691335
Hispanic55642674
2+ Races37137152
Asian16215969
Other Race54472
Native American462927

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 native american people with a rate of 58.70%.

Des Moines County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$35,042$42,890$29,554
Less Than 9th Grade$14,828$20,952$12,488
High School Graduate$30,336$35,638$20,758
Some College$33,025$43,125$27,683
Bachelors Degree$50,584$54,974$41,835
Graduate Degree$64,716$78,611$57,609

$35,042

Average Earnings

$42,890

Average Male

$29,554

Average Female

Des Moines County, Iowa Earnings by Educational Attainment

Des Moines County, Iowa Language by Age

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Des Moines County, Iowa Language

96.72% of Des Moines County, Iowa residents speak only English, while 3.28% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.73% of the population.

Des Moines County, Iowa Language

Des Moines County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
White33,6694,16312.36%
Black2,2321,26556.68%
Hispanic1,22741033.41%
Multiple1,11333530.10%
Other955254.74%
Asian3023511.59%
Native781721.79%

16.11%

Overall Poverty Rate

13.53%

Male Poverty Rate

18.54%

Female Poverty Rate

Poverty in Des Moines County, Iowa

The race most likely to be in poverty in Des Moines County, Iowa is Black, with 56.68% below the poverty level.

The race least likely to be in poverty in Des Moines County, Iowa is Asian, with 11.59% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.28%. Among those working part-time, it was 20.10%, and for those that did not work, the poverty rate was 20.84%.

Des Moines County, Iowa Poverty

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Name Poverty
Less Than 9th Grade33.84%
High School14.27%
Some College11.24%
Bachelors or Greater3.91%

Des Moines County, Iowa Poverty Rate by Education

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Rate Poverty
Male Unemployed56.87%
Female Unemployed44.29%
Female Employed11.48%
Male Employed5.98%

Des Moines County, Iowa Poverty Rate by Employment Status and Sex

Des Moines County, Iowa Income by Household Type

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Name Median Mean
Households$51,267$69,054
Families$66,897$82,231
Married Families$82,201$98,639
Non Families$32,203$45,386
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Income by Household Type

Des Moines County, Iowa Marital Status

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Marriage Rates

48.3%

Overall Marriage Rate

50.0%

Male Marriage Rate

46.7%

Female Marriage Rate

Des Moines County, Iowa Married by Age and Sex

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Des Moines County, Iowa Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Des Moines County, Iowa Marital Status by Race

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Des Moines County, Iowa Marital Status

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2,996

Number of Veterans

2,727

Male Veterans

269

Female Veterans

War Veterans
Vietnam1,256
First Gulf War525
Second Gulf War312
Korea275
World War II191

Des Moines County, Iowa Veterans by War

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Age Group Veterans
65 to 741,026
75+780
35 to 54634
55 to 64469
18 to 3487

Des Moines County, Iowa Veterans by Age

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Name Veterans % of Total
White2,7559.78%
Black14610.49%
2+ Races6111.75%
Native American2758.70%
Hispanic243.23%
Other Race79.72%

Des Moines County, Iowa Veterans by Race

Des Moines County, Iowa Veterans by Education

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6.83%

Veteran Poverty Rate

32.91%

Veteran Disability Rate

Des Moines County, Iowa Veterans by Education

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63.7%

Labor Force Participation

60.4%

Employment Rate

5.2%

Unemployment Rate

Des Moines County, Iowa Employment by Age

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Des Moines County, Iowa Employment by Race

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Des Moines County, Iowa 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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69.55%

Born in Des Moines County, Iowa

98.26%

Native Born

1.74%

Foreign Born

1.03%

Non Citizen

0.71%

Naturalized

Place of Birth

98.26% of Des Moines County, Iowa residents were born in the United States, with 69.55% having been born in Iowa. 1.03% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Des Moines County, Iowa Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources