Jefferson County is located in southern Illinois. The County Seat is Mount Vernon and the largest city is Mount Vernon. The Official Web Site is located at http://www.jeffersoncountyillinois.com/. The 2014 population estimate is 38,534 and the 2010 census population was 38,825. The land area is 571.17 square miles and there are 68 persons per square mile.
88.3% of the population is White, 8.8% is Black or African American, 2.3% is Hispanic or Latino, 0.8% is Asian, 0.3% is American Indian or Alaska Native, 0% is Native Hawaiian or Pacific Islander, and 1.7% is two or more races. 86.8% have a high school degree or higher, and 15.9% have a Bachelor degree or higher.
The median home value is $86,300, there are 15,288 households, an average of 2.40 persons per household. The per capita income is $22,620, the median household income is $42,981, and 16.5% of the persons in Jefferson County are considered below poverty level.
The total number of firms, at last estimate, was 2,846. Retail sales (in $1000) were $567,630, and sales per capita were $14,157. The percentage of black-owned firms is 3%, and the percentage of women-owned firms is 18.6%.
If you find a broken link below, please use the Report a Broken Link form to let us know.
| Jefferson County Home Page Jefferson County, Illinois county government website. |
| Circuit Clerk Court Records Provided by: Jefferson County Circuit Clerk's Office. Search this Judici service for court records by name or case number. |
| County Code Jefferson County code of ordinances online. |
| Court Records (selected years) 1889 - 1911 Search for court filings in Jefferson County. Includes Dec. 1898, Feb. 1899, Oct-Dec. 1899, May 1903, and March-April 1911. |
| Property | Tax Records Property tax record search from the Jefferson County Treasurer. |
| Vital Records Information Information from the Jefferson County Circuit Clerk on how to order vital records. |
Do a comprehensive background search of over 500 million court, inmate, corrections, offender, and fugitive records.
