The City of Marble Rock had a population of 292 as of July 1, 2016.
The primary coordinate point for Marble Rock is located at latitude 42.9646 and longitude -92.8678 in Floyd County. The formal boundaries for the City of Marble Rock (see map below) encompass a land area of 0.83 sq. miles and a water area of 0.04 sq. miles. Floyd County is in the Central time zone (GMT -6). The elevation is 1,004 feet.
The City of Marble Rock (GNIS ID: 2395001) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
Beneath the boundary map are tables with Marble Rock population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.
|Population in Households||292|
|Population in Familes||244|
|Population in Group Qrtrs||0|
|Average Household Size||2.26|
|Average Family Size||3|
|Total Housing Units||150 (100%)|
|Owner Occupied HU||109 (72.7%)|
|Renter Occupied HU||20 (13.3%)|
|Vacant Housing Units||21 (14.0%)|
|Median Home Value||$108,333|
|Average Home Value||$132,339|
|Median Household Income||$55,067|
|Average Household Income||$89,537|
|Per Capita Income||$37,058|
|(Compound Annual Growth Rates)|
|Median Household Income||1.37%|
|Per Capita Income||2.57%|
The table below compares Marble Rock to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
|Total Population||# 603||40th|
|Population Density1||# 745||26th|
|Diversity Index2||# 520||49th|
|Median Household Income||# 393||61st|
|Per Capita Income||# 51||95th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.