Storm Lake, Iowa Population 2021

10,134
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Storm Lake is a city located in Buena Vista County Iowa. It is also the county seat of Buena Vista County. With a 2020 population of 10,134, it is the 41st largest city in Iowa and the 3078th largest city in the United States . Storm Lake is currently declining at a rate of -0.92% annually and its population has decreased by -4.40% since the most recent census, which recorded a population of 10,600 in 2010. Storm Lake reached it's highest population of 10,871 in 2014. Spanning over 5 miles, Storm Lake has a population density of 1,921 people per square mile.

The average household income in Storm Lake is $63,419 with a poverty rate of 16.37%. The median rental costs in recent years comes to $695 per month, and the median house value is $121,300. The median age in Storm Lake is 30.2 years, 30.2 years for males, and 30 years for females.

Storm Lake Demographics

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

  • White: 62.93%
  • Asian: 18.27%
  • Other race: 10.70%
  • Black or African American: 3.95%
  • Native Hawaiian or Pacific Islander: 2.76%
  • Two or more races: 1.39%
  • Native American: 0.00%
The current population of Storm Lake, Iowa is 10,134 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 10,416.The last official US Census in 2010 recorded the population at 10,600.

Storm Lake, Iowa Population 2021

2019 and 2020 population is estimated by projecting the raw 2018 numbers.

Year Population Growth Growth Rate
202119,208-206-1.07%
202019,414-206-1.06%
201919,620-206-1.05%
201819,826-318-1.60%
201720,144-181-0.90%
201620,325-49-0.24%
201520,374-232-1.14%
201420,606-43-0.21%
201320,649880.43%
201220,5612501.22%
201120,311-45-0.22%
201020,3560.00%

Storm Lake Metro Area Population by Year

Population by Race

Race Population Percentage
White6,64462.93%
Asian1,92918.27%
Some Other Race1,13010.70%
Black or African American4173.95%
Native Hawaiian and Other Pacific Islander2912.76%
Two or More Races1471.39%
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Storm Lake Population by Race

Storm Lake Population Pyramid $2021

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Storm Lake Median Age

30.2


Total

30.2


Male

30


Female

Storm Lake Adults

There are 7,574 adults, (1,092 of whom are seniors) in Storm Lake.

Storm Lake Age Dependency

62.9

Age Dependency Ratio

16.8

Old Age Dependency Ratio

46

Child Dependency Ratio

Storm Lake Sex Ratio

Female

5,153

48.81%

Male

5,405

51.19%

Storm Lake Population by Age

Storm Lake Renter vs Owner Occupied by Household Type

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Storm Lake Household Types

Type Owner Renter
Married78%22%
All51.7%48.3%
Female37.5%62.5%
Non Family27.3%72.7%
Male27.2%72.8%

51.7%

Rate of Home Ownership

Storm Lake Households and Families

Type Count Average Size Owned
All3,6262.6851.7
Married1,6533.4578
Non Family1,2921.0727.3
Female4353.5637.5
Male2464.3927.2

3.42

Average Family Size

2.68

Average Household Size

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Storm Lake Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,09618.30%
9th to 12th Grade92915.51%
High School Graduate1,53525.63%
Some College94615.80%
Associates Degree5228.72%
Bachelors Degree63510.60%
Graduate Degree3265.44%
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Storm Lake Educational Attainment by Sex (over 25)

Storm Lake Educational Attainment by Race

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Race Total High School Bachelors
White2,6222,451797
Hispanic1,979728104
Asian1,1445918
Other Race60571
Black1421421
Islander1015151
2+ Races4014

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

The highest rate of bachelors degrees is among islander people with a rate of 50.50%.

Storm Lake Educational Attainment by Race

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Name Average Male Female
Overall$31,498$33,419$27,768
Less Than 9th Grade$29,583$31,511$27,372
High School Graduate$31,347$32,079$25,774
Some College$31,417$31,891$30,881
Bachelors Degree$38,362$48,688$16,740
Graduate Degree$60,556$60,278$65,417

$31,498

Average Earnings

$33,419

Average Male

$27,768

Average Female

Storm Lake Earnings by Educational Attainment

Storm Lake Language by Age

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Storm Lake Language

48.15% of Storm Lake residents speak only English, while 51.85% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 33.46% of the population.

Storm Lake Language

Storm Lake Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic3,81873719.30%
White3,31751715.59%
Other1,11449744.61%
Asian1,91226013.60%
Black3677620.71%
Multiple1222722.13%

16.37%

Overall Poverty Rate

15.88%

Male Poverty Rate

16.89%

Female Poverty Rate

Poverty in Storm Lake

The race most likely to be in poverty in Storm Lake is Other, with 44.61% below the poverty level.

The race least likely to be in poverty in Storm Lake is Asian, with 13.60% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.40%. Among those working part-time, it was 12.24%, and for those that did not work, the poverty rate was 24.97%.

Storm Lake Poverty

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Name Poverty
Less Than 9th Grade22.70%
Bachelors or Greater9.03%
High School8.95%
Some College6.56%

Storm Lake Poverty Rate by Education

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Rate Poverty
Female Unemployed15.85%
Male Unemployed10.22%
Male Employed10.15%
Female Employed5.84%

Storm Lake Poverty Rate by Employment Status and Sex

Storm Lake Income by Household Type

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Name Median Mean
Households$50,565$63,419
Families$66,245$71,201
Married Families$67,882-
Non Families$31,525$44,083
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Income by Household Type

Storm Lake Marital Status

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Marriage Rates

48.2%

Overall Marriage Rate

48.0%

Male Marriage Rate

48.5%

Female Marriage Rate

Storm Lake Married by Age and Sex

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Storm Lake 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.

Storm Lake Marital Status by Race

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Storm Lake Marital Status

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266

Number of Veterans

266

Male Veterans

Female Veterans

War Veterans
Vietnam129
Korea69
First Gulf War48
World War II3
Second Gulf War

Storm Lake Veterans by War

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Age Group Veterans
65 to 74102
75+72
55 to 6468
35 to 5424
18 to 34

Storm Lake Veterans by Age

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Name Veterans % of Total
White2655.22%
2+ Races11.45%

Storm Lake Veterans by Race

Storm Lake Veterans by Education

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6.11%

Veteran Poverty Rate

38.93%

Veteran Disability Rate

Storm Lake Veterans by Education

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71.8%

Labor Force Participation

66%

Employment Rate

8%

Unemployment Rate

Storm Lake Employment by Age

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Storm Lake Employment by Race

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Storm Lake 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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43.89%

Born in Storm Lake

67.09%

Native Born

32.91%

Foreign Born

23.16%

Non Citizen

9.76%

Naturalized

Place of Birth

67.09% of Storm Lake residents were born in the United States, with 43.89% having been born in Iowa. 23.16% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Storm Lake Place of Birth

Year Population Growth Annual Growth Rate
202110,134-94-0.92%
202010,228-94-0.91%
201910,322-94-0.90%
201810,416-180-1.70%
201710,596-121-1.13%
201610,717-62-0.58%
201510,779-92-0.85%
201410,871480.44%
201310,823510.47%
201210,7721281.20%
201110,644-45-0.42%
201010,6896130.59%
200010,0761,3071.40%
19908,769-45-0.05%
19808,8142230.26%
19708,5918631.06%
19607,7287741.06%
19506,9541,6802.80%
19405,2741,1172.41%
19304,1574991.29%
19203,6580.00%

Storm Lake Population by Year