Humboldt, Iowa Population 2021

4,573
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Humboldt is a city located in Humboldt County Iowa. With a 2020 population of 4,573, it is the 91st largest city in Iowa and the 5015th largest city in the United States . Humboldt is currently declining at a rate of -0.15% annually and its population has decreased by -2.49% since the most recent census, which recorded a population of 4,690 in 2010. Humboldt reached it's highest population of in . Spanning over 5 miles, Humboldt has a population density of 990 people per square mile.

The average household income in Humboldt is $66,958 with a poverty rate of 12.62%. The median rental costs in recent years comes to $562 per month, and the median house value is $117,300. The median age in Humboldt is 45.5 years, 41.4 years for males, and 48.2 years for females.

Humboldt Demographics

According to the most recent ACS, the racial composition of Humboldtwas:

  • White: 97.99%
  • Other race: 0.65%
  • Native American: 0.55%
  • Two or more races: 0.39%
  • Asian: 0.33%
  • Black or African American: 0.09%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Humboldt, Iowa is 4,573 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 4,587.The last official US Census in 2010 recorded the population at 4,690.

Humboldt, Iowa Population 2021

Population by Race

Race Population Percentage
White4,49197.99%
Some Other Race300.65%
American Indian and Alaska Native250.55%
Two or More Races180.39%
Asian150.33%
Black or African American40.09%
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Humboldt Population by Race

Humboldt Population Pyramid $2021

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Humboldt Median Age

45.5


Total

41.4


Male

48.2


Female

Humboldt Adults

There are 3,616 adults, (1,114 of whom are seniors) in Humboldt.

Humboldt Age Dependency

83.2

Age Dependency Ratio

44.5

Old Age Dependency Ratio

38.6

Child Dependency Ratio

Humboldt Sex Ratio

Female

2,410

52.59%

Male

2,173

47.41%

Humboldt Population by Age

Humboldt Renter vs Owner Occupied by Household Type

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Humboldt Household Types

Type Owner Renter
Male32%68%
Female35.2%64.8%
Non Family47.3%52.7%
All65.7%34.3%
Married87.8%12.2%

65.7%

Rate of Home Ownership

Humboldt Households and Families

Type Count Average Size Owned
All2,1112.1165.7
Married1,0172.7687.8
Non Family9101.147.3
Female1593.3735.2
Male255.0432

2.79

Average Family Size

2.11

Average Household Size

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Humboldt Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1253.78%
9th to 12th Grade1594.81%
High School Graduate1,14334.56%
Some College49114.85%
Associates Degree57617.42%
Bachelors Degree63519.20%
Graduate Degree1785.38%
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Humboldt Educational Attainment by Sex (over 25)

Humboldt Educational Attainment by Race

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Race Total High School Bachelors
White3,1162,982798
Hispanic17223
Other Race1712
Asian151515
Black32
2+ Races11

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

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Humboldt Educational Attainment by Race

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Name Average Male Female
Overall$37,660$46,850$30,703
Less Than 9th Grade$16,386$27,137$
High School Graduate$32,426$42,137$22,692
Some College$41,080$44,625$40,114
Bachelors Degree$42,833$52,262$32,016
Graduate Degree$67,917$123,750$55,268

$37,660

Average Earnings

$46,850

Average Male

$30,703

Average Female

Humboldt Earnings by Educational Attainment

Humboldt Language by Age

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Humboldt Language

92.84% of Humboldt residents speak only English, while 7.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.33% of the population.

Humboldt Language

Humboldt Poverty by Race

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Name Total In Poverty Poverty Rate
White4,0993799.25%
Hispanic31015449.68%
Native2525100.00%
Multiple22100.00%
Black22100.00%

12.62%

Overall Poverty Rate

10.94%

Male Poverty Rate

14.13%

Female Poverty Rate

Poverty in Humboldt

The race most likely to be in poverty in Humboldt is Black, with 100.00% below the poverty level.

The race least likely to be in poverty in Humboldt is White, with 9.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.06%. Among those working part-time, it was 11.28%, and for those that did not work, the poverty rate was 25.84%.

Humboldt Poverty

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Name Poverty
Less Than 9th Grade42.05%
High School13.08%
Some College8.79%
Bachelors or Greater2.11%

Humboldt Poverty Rate by Education

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Rate Poverty
Female Employed8.19%
Male Employed3.50%
Female Unemployed0.00%
Male Unemployed0.00%

Humboldt Poverty Rate by Employment Status and Sex

Humboldt Income by Household Type

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Name Median Mean
Households$54,801$66,958
Families$79,375$83,828
Married Families$86,250-
Non Families$30,862$43,755
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Income by Household Type

Humboldt Marital Status

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Marriage Rates

55.2%

Overall Marriage Rate

59.1%

Male Marriage Rate

51.9%

Female Marriage Rate

Humboldt Married by Age and Sex

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Humboldt 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 45-54.

Humboldt Marital Status by Race

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Humboldt Marital Status

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316

Number of Veterans

291

Male Veterans

25

Female Veterans

War Veterans
Vietnam170
Korea41
First Gulf War40
Second Gulf War21
World War II

Humboldt Veterans by War

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Age Group Veterans
65 to 74132
75+65
35 to 5465
55 to 6443
18 to 3411

Humboldt Veterans by Age

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Name Veterans % of Total
White3158.86%
2+ Races150.00%

Humboldt Veterans by Race

Humboldt Veterans by Education

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4.67%

Veteran Poverty Rate

39.67%

Veteran Disability Rate

Humboldt Veterans by Education

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61.4%

Labor Force Participation

59.6%

Employment Rate

3%

Unemployment Rate

Humboldt Employment by Age

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Humboldt Employment by Race

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Humboldt 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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77.83%

Born in Humboldt

96.60%

Native Born

3.40%

Foreign Born

3.01%

Non Citizen

0.39%

Naturalized

Place of Birth

96.60% of Humboldt residents were born in the United States, with 77.83% having been born in Iowa. 3.01% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Humboldt Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20214,573-7-0.15%
20204,580-7-0.15%
20194,587-7-0.15%
20184,594-9-0.20%
20174,603350.77%
20164,568-10-0.22%
20154,578-39-0.84%
20144,617-7-0.15%
20134,624-25-0.54%
20124,649-22-0.47%
20114,671-3-0.06%
20104,6742220.49%
20004,452140.03%
19904,438-356-0.77%
19804,7941290.27%
19704,6656341.47%
19604,0318122.27%
19503,2194001.34%
19402,8190.00%

Humboldt Population by Year