Marble Rock Flag

Marble Rock

County:
Floyd County
County Seat:
No
Area (mi²):
0.832
State:
Iowa

Marble Rock is a city located in Floyd County, Iowa. Marble Rock has a 2026 population of 258. Marble Rock is currently declining at a rate of -1.53% annually and its population has decreased by -4.09% since the most recent census, which recorded a population of 269 in 2020.

258
Total Population
310
Density (mi²)
-4 -1.53%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)