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Decatur, IA

Population
178
U.S. Census Population Estimates Program · 2025
Elevation
1,144 ft
Median Home Value
$101,000
U.S. Census American Community Survey 5-Year · 2024
Median Income
$45,781
U.S. Census American Community Survey 5-Year · 2024

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Decatur in context.

OverallBest places in IowaPopulation rankingHighest population places in IowaNearest larger communityIndianola, Iowa45 miles away · 16,829 residents.

About Decatur

Decatur is a city in Decatur County, Iowa, United States. The 2020 census counted 175 residents. Decatur was the first county seat of Decatur County, until 1853, when the seat was transferred to Leon. Decatur was incorporated in 1875. Decatur's local map joins its older history to the places and landscapes that still shape the town today, all within the wider Iowa setting. The local scoop is how Decatur's history still shows up in the places people visit, work, learn, and meet.

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Highest current ratings for this town.

Lower County Wildfire Hazard Potential ClassA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow PopulationA+100.0rating

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