The City of Rock Island had a population of 37,694 as of July 1, 2019. Rock Island ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.
The primary coordinate point for Rock Island is located at latitude 41.5095 and longitude -90.5788 in Rock Island County. The formal boundaries for the City of Rock Island encompass a land area of 16.83 sq. miles and a water area of 0.2 sq. miles. Rock Island County is in the Central time zone (GMT -6). The elevation is 561 feet.
The City of Rock Island (GNIS ID: 2396400) 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.
Alternate Unofficial Names for Rock Island: Quad Cities, Stephenson.
HOUSING AFFORDABILITY INDEX
|Rock Island, IL Housing Affordability Index is 175
State of Illinois Housing Affordability Index is 119
|The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.|
|Rock Island, IL Wealth Index is 67
State of Illinois Wealth Index is 105
|The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.|
These new demographic attributes are availiable for cities, Counties, ZIP Codes and even neighborhoods (Census Blocks) when you search by a specific Illinois address.
|Population in Households||35,068|
|Population in Familes||25,914|
|Population in Group Qrtrs||2,626|
|Median Household Income||$46,631|
|Average Household Income||$61,692|
|Per Capita Income||$25,270|
|Total Housing Units||16,993 (100%)|
|Owner Occupied HU||9,232 (54.3%)|
|Renter Occupied HU||6,102 (35.9%)|
|Vacant Housing Units||1,659 ( 9.8%)|
|Median Home Value||$110,453|
|Housing Affordability Index2||175|
|Average Household Size||2.29|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.64%|
|Per Capita Income||2.01%|
The table below compares Rock Island to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2019 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||# 49||96th|
|Population Density||# 216||84th|
|Diversity Index||# 121||91st|
|Median Household Income||# 1090||20th|
|Per Capita Income||# 1002||27th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.