Storm Lake Flag

Storm Lake

County Seat:
Yes
Area (mi²):
5.427
State:
Iowa

Storm Lake is a city located in Buena Vista County, Iowa. Storm Lake has a 2025 population of 11,718 . It is also the county seat of Buena Vista County . Storm Lake is currently growing at a rate of 0.78% annually and its population has increased by 4.07% since the most recent census, which recorded a population of 11,260 in 2020.

The average household income in Storm Lake is $84,263 with a poverty rate of 7.74%. The median age in Storm Lake is 31.2 years: 29.7 years for males, and 32.6 years for females. For every 100 females there are 99.6 males.

11.7K
Total Population
2,159
Density (mi²)
91 0.78%
Growth

Storm Lake Population

Storm Lake Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Storm Lake includes 52.95% White, 14.85% Asian, 12.38% other race, 3.85% Native Hawaiian or Pacific Islander, 3.76% Black or African American, and smaller percentages for Native American and multiracial populations.

Population by Race

White (52.95%)

Asian (14.85%)

Other race (12.38%)

Two or more races (11.9%)

Native Hawaiian or Pacific Islander (3.85%)

Black or African American (3.76%)

Native American (0.31%)

Race
Population
Percentage (of total)
White5,97052.95%
Asian1,67414.85%
Other race1,39612.38%
Two or more races1,34211.9%
Native Hawaiian or Pacific Islander4343.85%
Black or African American4243.76%
Native American350.31%

Storm Lake Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Storm Lake's average per capita income is $46,071. Household income levels show a median of $58,341. The poverty rate stands at 7.74%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$89,583-
Families$88,125$101,502
Households$58,341$84,263
Non Families$48,464$59,393

$46,071

Average Income

$58,341

Median Household Income

7.74%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)