Population 12,875,255

Homefacts State Report

Illinois is home to more than 12 million residents, making it the 5th most populous of the 50 United States. Illinois ranks 26th in total area (57,916.00 square miles) and 26th in population density (222.30 people per square mile). The median age of its residents is 37.9 years, with 77.2% of the population 18 year and over.

According to Homefacts' records there are currently 9,277 criminal and sex offenders in Illinois (approximately 7.21 offenders per 10,000 people), which is 54.19% lower than the national average. The unemployment rate in Illinois is 4.8% .

Crime view a full crime report for Illinois

Search for crime activity and registered Sex Offenders in Illinois by county or city by selecting one of the links. View a full report by visiting the Illinois crime and registered Sex Offenders report pages.

9,277 Registered Sex Offenders found in Illinois

A search for our database shows there are 9,277 registered Sex Offenders in Illinois. Illinois has a ratio of 7.21 offenders per 10,000 residents.

Our database indicates that there are 633 incarcerated Sex Offenders in Illinois. As well as 8,042 offenders whose location is unknown in Illinois due to the offenders being transient or their address being unmappable.

Cities With The Highest Registered Offender Rate

Cities With The Lowest Registered Offender Rate

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Illinois Registered Sex Offender Distribution

Registered Offenders per 10,000 population
  • > 30 per 10,000
  • 25 - 30 per 10,000
  • 20 -25 per 10,000
  • 10 - 20 per 10,000
  • < 10 per 10,000

Crime Index in Illinois

*100 is national avg. Greater than 100 means higher crime, lower means less crime.

Property Reports search Illinois property reports

Real Estate Overview

Housing Inventory

Property Type
  • Vacant
  • Rented
  • Owned

19,933 Building Permits

Illinois building permits average per year since 2001 is 33,086. In 2005, there was a high number of building permits with 59,398 and a low number of building permits in 2009 of 8,551. 50.37% of the building permits are for Single Family housing units in 2012.

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Building Permits By Year

Environmental Hazards

161,881 Environmental Hazards

  • Brownfields
    in Illinois
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  • Registered Polluters
    in Illinois
    view all
  • Superfunds
    in Illinois
    view all
  • Tanks & Spills
    in Illinois
    view all

Demographics view full Illinois demographics report

Unemployment view full Illinois unemployment report

Since 2005 the unemployment rate in Illinois has ranged from 3.4% in November 2019 to 16.9% in April 2020. The current unemployment rate for Illinois is 4.8% for August 2022. See how other local areas compare by using our Unemployment Compare tool.

Highest Unemployment Rate By City

Lowest Unemployment Rate By City


State Representatives

  • Gov. Bruce Rauner
  • Sen. Richard J. Durbin
  • Sen. Mark Kirk