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Marble Rock, IA

Population
255
U.S. Census Population Estimates Program · 2025
Elevation
1,002 ft
Median Home Value
$76,000
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$822/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$65,625
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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OverallBest places in IowaPopulation rankingHighest population places in IowaNearest larger communityMason City, Iowa21 miles away · 26,853 residents.

About Marble Rock

Set along the banks of the Shell Rock River in Floyd County, Marble Rock is a tiny, peaceful community of under 300 people. Daily life centers around the water, where locals head to kayak, fish, or relax near the historic dam. The town takes serious pride in its roots, maintaining several small museum buildings right on Bradford Street. It is an unhurried, welcoming spot for anyone drawn to quiet small-town living and easy access to the river.

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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