John Neff has spent over a decade compiling and analyzing justice system data and trends for Johnson County, Iowa. John is an Emeritus Professor of Astronomy at the University of Iowa with over 32 years experience. Since 2000, he has been serving the community through his volunteer work in justice system research. His new website, JCO-CJS-INFO.com, was launched on 6 June 2013 and offers an abundance of data, charts, and information from his research. Here are links to some of the pages:
- JCO-CJS-INFO.com Home Page
- Introduction and Overview (PDF)
- Johnson County Age and Race Population Distribution (PDF) [Added 11 June 2013]
- Johnson County Age and Race Population Distribution and Incarceration Data (PDF) [Added 12 June 2013]
- Johnson County Arrest Rates and Trends (PDF) [Added 9 June 2013]
- Johnson County Arrest Rates and Trends for A-Group [Added 11 June 2013]
- Johnson County Arrest Rates and Trends for B-Group [Added 9 June 2013]
- Johnson County Population Growth Trends from 1950 to 2010 (PDF)
- Johnson County Jail Intake Trends from 1990 to Present (PDF)
- Johnson County Jail Length of Stay Trends 1990 to Present (PDF)
- Johnson County Jail Population Growth from the early 1980s to Present (PDF)
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Disclaimer. It is important to note that John has been outspoken against jail expansion. Linking to his site from here does not imply that he supports any specific past, present, or future initiatives of the county government, but it’s simply an effort to make people aware of his work.
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