The City of Marble Rock had a population of 294 as of July 1, 2018.
The primary coordinate point for Marble Rock is located at latitude 42.9652 and longitude -92.8685 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.
|Population in Households||294|
|Population in Familes||244|
|Population in Group Qrtrs||0|
|Median Household Income||$58,191|
|Average Household Income||$90,484|
|Per Capita Income||$36,623|
|Total Housing Units||149 (100%)|
|Owner Occupied HU||107 (71.8%)|
|Renter Occupied HU||22 (14.8%)|
|Vacant Housing Units||20 (13.4%)|
|Median Home Value||$125,000|
|Average Home Value||$142,130|
|Average Household Size||2.28|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.99%|
|Per Capita Income||2.55%|
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, 2018 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||# 602||40th|
|Population Density||# 740||27th|
|Diversity Index||# 405||60th|
|Median Household Income||# 386||62nd|
|Per Capita Income||# 89||91st|
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.