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St. Marys, IA

View of St. Marys, IA
Image credit: PopePompus / CC BY-SA 4.0
Population
124
U.S. Census Population Estimates Program · 2025
Elevation
1,028 ft
Median Home Value
$195,000
U.S. Census American Community Survey 5-Year · 2024
Median Income
$77,500
U.S. Census American Community Survey 5-Year · 2024

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St. Marys in context.

OverallBest places in IowaPopulation rankingHighest population places in IowaNearest larger communityIndianola, Iowa9.5 miles away · 16,829 residents.

About St. Marys

St. Marys or Saint Marys is a city in Warren County, Iowa, United States. The 2020 census counted 108 residents. St. Marys is part of the Des Moines–West Des Moines Metropolitan Statistical Area. St. Marys was laid out about 1870. Taken together, these details give a newcomer a usable picture of St. Marys, where its history, geography, and current gathering places meet. For St. Marys, the memorable detail is the way older history and current gathering places share one local map.

Top Rating Signals

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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