Storm Lake Micro
Storm Lake has lower-than-average household income, with a median household income of $71,719. Population has held roughly steady since 2000. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $159,500. It sits in the top 10% of US metro areas for household income.
Population & growth
PEP 2025 EST:20,449 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
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People & community
Principal cities
1 component county
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How many people live in Storm Lake, IA?
Storm Lake, IA has about 20,753 residents according to the 2024 American Community Survey.
What is the median household income in Storm Lake, IA?
The typical household in Storm Lake, IA earns about $71,719 a year. Half of households make more than that, and half make less.
Is Storm Lake, IA expensive?
In Storm Lake, IA, the median home is worth about $159,500, and the typical rent is about $894 a month.
How educated are people in Storm Lake, IA?
About 22.2% of adults age 25 and over in Storm Lake, IA hold a bachelor's degree or higher.
What is the poverty rate in Storm Lake, IA?
About 7.8% of people in Storm Lake, IA live below the federal poverty line.
Has Storm Lake, IA grown since 1990?
Yes, Storm Lake, IA has grown since 1990. The population has added about 788 residents, a change of about 4 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024