Onawa
Onawa has lower-than-average household income, with a median household income of $62,143. Population has declined 8% since 2000. 19% 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 $145,800.
Population & growth
PEP 2025 EST:2,821 residents (Census Bureau Vintage 2025, released March 2026)
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How many people live in Onawa, Iowa?
Onawa, Iowa has about 2,839 residents according to the 2024 American Community Survey.
What is the median household income in Onawa, Iowa?
The typical household in Onawa, Iowa earns about $62,143 a year. Half of households make more than that, and half make less.
Is Onawa, Iowa expensive?
In Onawa, Iowa, the median home is worth about $145,800, and the typical rent is about $1,037 a month.
How educated are people in Onawa, Iowa?
About 19.4% of adults age 25 and over in Onawa, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Onawa, Iowa?
About 16.3% of people in Onawa, Iowa live below the federal poverty line.
Has Onawa, Iowa grown since 1990?
Yes, Onawa, Iowa has shrunk since 1990. The population has lost about 97 residents, a change of about -3 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024