Spirit Lake Micro
Spirit Lake has roughly average household income, with a median household income of $75,432. Population has held roughly steady since 2000. Median home value has roughly tripled since 2000, reaching $270,700. With a median age of 48.7, the population is older than the US median of 38.9. It sits in the top 10% of US metro areas for household income.
Population & growth
PEP 2025 EST:18,077 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
Principal cities
1 component county
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How many people live in Spirit Lake, IA?
Spirit Lake, IA has about 17,990 residents according to the 2024 American Community Survey.
What is the median household income in Spirit Lake, IA?
The typical household in Spirit Lake, IA earns about $75,432 a year. Half of households make more than that, and half make less.
Is Spirit Lake, IA expensive?
In Spirit Lake, IA, the median home is worth about $270,700, and the typical rent is about $922 a month.
How educated are people in Spirit Lake, IA?
About 31.2% of adults age 25 and over in Spirit Lake, IA hold a bachelor's degree or higher.
What is the poverty rate in Spirit Lake, IA?
About 7.6% of people in Spirit Lake, IA live below the federal poverty line.
Has Spirit Lake, IA grown since 1990?
Yes, Spirit Lake, IA has grown since 1990. The population has added about 3,081 residents, a change of about 21 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024