Marble Rock, Iowa
| Marble Rock, Iowa | |
|---|---|
| City | |
| Motto: Bike to Marble Rock for a 'Marbleous' Time! | |
 Location of Marble Rock, Iowa |
|
| Coordinates: 42°57′53″N 92°52′4″W / 42.96472°N 92.86778°WCoordinates: 42°57′53″N 92°52′4″W / 42.96472°N 92.86778°W | |
| Country |
 United States
|
| State |
 Iowa
|
| County | Floyd |
| Area | |
| • Total | 0.87 sq mi (2.25 km2) |
| • Land | 0.83 sq mi (2.15 km2) |
| • Water | 0.04 sq mi (0.10 km2) |
| Elevation | 1,001 ft (305 m) |
| Population (2010) | |
| • Total | 307 |
| • Estimate (2016) | 297 |
| • Density | 370/sq mi (142.8/km2) |
| Time zone | Central (CST) (UTC-6) |
| • Summer (DST) | CDT (UTC-5) |
| ZIP code | 50653 |
| Area code(s) | 641 |
| FIPS code | 19-49305 |
| GNIS feature ID | 0458797 |
Marble Rock is a city in Floyd County, Iowa, United States, along the Shell Rock River. The population was 307 at the 2010 census. Marble Rock has a city park, historical museums, a powerhouse on the river, and a veterans' memorial. The Marble Rock Historical Society has a website with information about the museums. [1]
Marble Rock is located at 42°57′53″N 92°52′4″W / 42.96472°N 92.86778°W (42.964695, -92.867786).Its name derives from the presence of white limestone in the area. The Shell Rock River runs through the west side of town and is available for fishermen and small watercraft. There is a portage around the dam, on the west side of the river, for canoes.
According to the United States Census Bureau, the city has a total area of 0.87 square miles (2.25 km2), of which, 0.83 square miles (2.15 km2) is land and 0.04 square miles (0.10 km2) is water.
As of the census of 2010, there were 307 people, 134 households, and 84 families residing in the city. The population density was 369.9 inhabitants per square mile (142.8/km2). There were 150 housing units at an average density of 180.7 per square mile (69.8/km2). The racial makeup of the city was 99.0% White, 0.3% Asian, and 0.7% from two or more races.
There were 134 households of which 27.6% had children under the age of 18 living with them, 50.0% were married couples living together, 8.2% had a female householder with no husband present, 4.5% had a male householder with no wife present, and 37.3% were non-families. 32.1% of all households were made up of individuals and 13.4% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.85.
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