Marble Rock, Iowa
Marble Rock: City in Floyd County, Iowa
About
Marble Rock is a city located in the county of Floyd in the U.S. state of Iowa. Its population at the 2010 census was 307 and a population density of 137 people per km². After 10 years in 2020 city had an estimated population of 287 inhabitants.
Quick Facts about Marble Rock
| Population : | 287 (2020) |
| Country : | United States of America |
| State : | Iowa (United States) |
| County : | Floyd County |
| Postal code : | 50653 |
| Area : | 2.25 km2 |
| Altitude : | 1,001 feet / 305 meters |
| Time Zone : | America/Chicago |
| Local time : | 02:56:44 (25th November 2024) |
| Density : | 128 Pop. per km² as of 2020 |
| Population growth : | -6.97% (2010-2020) |
Geography
Marble Rock is located at 42°57'55"N 92°52'7"W (42.9652500, -92.8685300).
Marble Rock map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Demographics
According to census records, the population of Marble Rock decreased by 6.97% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 307 | - | census |
| 2011 | 303 | -1.32% | estimation process |
| 2012 | 303 | 0% | estimation process |
| 2013 | 300 | -1% | estimation process |
| 2014 | 299 | -0.33% | estimation process |
| 2015 | 297 | -0.67% | estimation process |
| 2016 | 293 | -1.37% | estimation process |
| 2017 | 292 | -0.34% | estimation process |
| 2018 | 289 | -1.04% | estimation process |
| 2019 | 287 | -0.7% | estimation process |
| 2020 | 287 | 0% | estimation process |
Marble Rock zip code is 50653.
County name: Floyd, County
fips: 19067
Schools in Marble Rock
College & universities near Marble Rock, IA
| Code | Name | City | ZIP |
|---|---|---|---|
| 154059 | North Iowa Area Community College | Mason City (IA) | 50401 |
Post offices near Marble Rock
| Post Office Name | City | ZIP |
|---|---|---|
| Marble Rock Post Office | Marble Rock (IA) | 50653 |
Other cities in Floyd County
Cities, towns, neighborhoods & other populated places in Floyd County , IA.
| City Name | Population | Title |
|---|---|---|
| Charles City | 7,307 | City in Iowa |
| Nora Springs | 1,342 | City in Iowa, United States of America |
| Rockford | 813 | Human settlement in Floyd County, Iowa, United States of America |
| Rudd | 343 | Human settlement in Floyd County, Iowa, United States of America |
| Floyd | 313 | City in Floyd County, Iowa, United States of America |
| Colwell | 67 | City in Floyd County, Iowa, United States |
