The exact population of Ottumwa, Iowa as of July 2024 is estimated at 25,529 residents.
Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Ottumwa.
![Population of Ottumwa, IA](/images/population/2963.jpg)
This population of Ottumwa IA is provided by US bureau of statistics.
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