Home

Marble Rock, IA Profile


Marble Rock, IA, population 322, is located in Iowa's Floyd county, about 91.0 miles from Cedar Rapids and 101.7 miles from Des Moines.

Through the 90's Marble Rock's population has declined by about 10%. It is estimated that in the first 5 years of the past decade the population of Marble Rock has declined by about 1%. Since 2005 Marble Rock's population has grown by about 1%.

Population Statistics

Gender

Population by Gender
Males 50%
Females 50%
As % of Population
   

Race

Population by Race
White99%
African American0%
Native American0%
Asian0%
Hawaiian0%
Other/Mixed1%
As % of Population
   

Age


Median Age
Population9.99
Males9.99
Females9.99
Vs. State Median Age
  
  
  
Males by AgeFemales by Age
Under 209.99%Under 20: 9.99%
20 to 409.99%20 to 40: 9.99%
40 to 609.99%40 to 60: 9.99%
Over 609.99%Over 60: 9.99%
Age Distribution
       
       
       
       

Size


Population by YearChange Rate
2000326N/A
2001321-1.53%
2002320-0.31%
20033210.31%
2004320-0.31%
2005319-0.31%
20063210.63%
2007320-0.31%
20083230.94%
2009322-0.31%
Vs. State Change Rate
 
    
    
    
    
    
    
    
    
    

Economics


Household Income
Median$35,500
Vs. State Median Income
    

Location

Elevation1,000 feet above sea level
Land Area0.8 Square Miles



Area Map