Population
Rock Island
36,758
Cortland
17,465
Median Income
Rock Island
$57,292
Cortland
$55,368
Home Value
Rock Island
$118,400
Cortland
$143,800
Rent
Rock Island
$819
Cortland
$893
Crime Rate
Rock Island
5.44
Cortland
2.27
Cost of Living
Rock Island
88.8
Cortland
92.5
Avg Temp
Rock Island
N/A
Cortland
N/A
Unemployment
Rock Island
6.5%
Cortland
7.2%
How Similar Are Rock Island & Cortland?
Cortland is Rock Island's #17 most similar city
5 of 10 key metrics match within 10%
Population
Rock Island
36,758
Cortland
17,465
Rock Island (36,758) is about 2.1x larger than Cortland (17,465).
Violent Crime
Rock Island
5.44
Cortland
2.27
Rock Island's violent crime is significantly higher than Cortland's — 58% difference.
Property Crime
Rock Island
27.15
Cortland
29.54
Both cities have similar property crime — just a 8% difference.
Political Leaning
Rock Island
44.4%
Cortland
53.2%
Rock Island leans Democratic while Cortland leans Republican.
Unemployment
Rock Island
6.5%
Cortland
7.2%
Both cities have similar unemployment — just a 10% difference.
Median Income
Rock Island
$57,292
Cortland
$55,368
Both cities have similar median income — just a 3% difference.
Home Values
Rock Island
$118,400
Cortland
$143,800
Cortland has a 18% higher home values than Rock Island.
Education
Rock Island
14.4%
Cortland
14.2%
Both cities have similar education — just a 1% difference.
Demographics
Rock Island
68.0%
Cortland
87.3%
Cortland has a 22% higher demographics than Rock Island.
Cost of Living
Rock Island
88.8
Cortland
92.5
Both cities have similar cost of living — just a 4% difference.
5 out of 10 key metrics match within 10%. Rock Island and Cortland share several key characteristics.
At a Glance
0
Rock Island
0
Cortland
Rock Island leads in 5 of 8 categories
Cost of Living & Affordability — Rock Island leads
Source: City Stats Index / HUDRock Island scores 86.4 on the housing index (100 = national avg) vs 102.4 in Cortland. Cortland scores 74.4 on the transportation index (100 = national avg) vs 83.1 in Rock Island. Rock Island has a fair market rent (2br) of $1,143 vs $1,198 in Cortland (5% lower).
Overall Cost Index
Housing Index
Food Index
Transportation Index
Healthcare Index
Utilities Index
Living Wage (1 Adult)
Living Wage (Family of 4)
Fair Market Rent (1BR)
Fair Market Rent (2BR)
Housing Market — Rock Island leads
Source: U.S. Census Bureau ACSRock Island has a single-family homes of 70.4% compared to 47.0% in Cortland. Rock Island has a owner-occupied of 63.5% compared to 44.5% in Cortland. Rock Island has a median property tax of $2,861 vs $4,179 in Cortland (32% lower).
Median Home Value
Median Rent
Median Property Tax
Owner-Occupied
Vacancy Rate
Single-Family Homes
Jobs & Economy — Rock Island leads
Source: U.S. Census Bureau ACSRock Island: 18,035 vs Cortland: 9,255 for labor force. Rock Island has a work from home of 8.8% compared to 6.9% in Cortland. Rock Island has a government sector of 43.2% compared to 35.7% in Cortland.
Median Household Income
Per Capita Income
Poverty Rate
Unemployment Rate
Labor Force
Mean Commute
Work from Home
Private Sector
Government Sector
Crime & Safety — Cortland leads
Source: FBI UCRCortland has a assault rate (per 1k) of 1.74 compared to 5.13 in Rock Island. Cortland has a burglary rate (per 1k) of 3.26 compared to 9.21 in Rock Island. Cortland has a violent crime rate (per 1k) of 2.27 compared to 5.44 in Rock Island.
Violent Crime Rate (per 1K)
Property Crime Rate (per 1K)
Murder Rate (per 1K)
Robbery Rate (per 1K)
Assault Rate (per 1K)
Burglary Rate (per 1K)
Larceny Rate (per 1K)
Violent Crime Clearance
Property Crime Clearance
Weather & Climate
Source: NOAA / Open-MeteoAvg Annual Temperature
Avg Annual High
Avg Annual Low
Sunny Days per Year
Annual Rainfall
Annual Snowfall
Avg Humidity
Schools & Education — Rock Island leads
Source: NCES / U.S. Census BureauRock Island has a high school diploma or higher of 34.2% compared to 31.3% in Cortland. Rock Island has a bachelor's degree or higher of 14.4% compared to 14.2% in Cortland.
Public Schools
Avg Student-Teacher Ratio
Colleges & Universities
Bachelor's Degree or Higher
High School Diploma or Higher
Demographics & Community
Source: U.S. Census Bureau ACSRock Island has a population of 36,758, about 2.1x the size of Cortland (17,465). Cortland skews younger with a median age of 27.2 vs 37.1.
Population
Median Age
Avg Household Size
Married Population
Foreign Born
White
Black
Hispanic
Asian
Rock Island
Cortland
Healthcare — Cortland leads
Source: CMS Hospital CompareCortland: 5 vs Rock Island: 4 for with emergency services. Cortland: 2.4 vs Rock Island: 2.0 for avg cms rating (out of 5).
Nearby Hospitals
Avg CMS Rating (out of 5)
With Emergency Services
Transportation & Commute — Rock Island leads
Source: U.S. Census Bureau ACSCortland has a bicycle of 0.8% compared to 0.1% in Rock Island. Rock Island has a public transit of 2.4% compared to 1.8% in Cortland. Rock Island has a work from home of 8.8% compared to 6.9% in Cortland.
Mean Commute Time
Drive Alone
Public Transit
Bicycle
Work from Home
Airports
Cities Similar to Rock Island, IL
Compare Rock Island against its closest statistical matches across demographics, income, crime, health, and more.
City Comparison
8-axis fingerprint: population, income, housing, crime, education, age, climate, and cost of living. Click legend items to toggle.