Data updated April 2026 - Source: Zillow Research
About Decatur
The most populated towns are Lamoni, Leon, and Garden Grove.
Data comes from public sources including the U.S. Census Bureau, the National Center for Education Statistics, the FBI, the EPA, Zillow, and Redfin. Source attribution is shown on each metric.
Towns in Decatur
18 towns, by population.
Decatur at a glance: frequently asked questions
- What state is Decatur in?
- Decatur is in Iowa.
- How many towns are in Decatur?
- Decatur contains 18 towns and municipalities. Click any town below or on the map to see its housing, school, and crime data.
Compare Decatur with other places
Put up to four states, counties, towns, or ZIPs side by side on income, housing, crime, education, and more.
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