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Jefferson County, IL&

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0.14% decline
Median Age
Median Household Income
0.51% growth
Poverty Rate
Number of Employees
2.34% decline
Median Property Value
1.37% growth


The economy of Jefferson County, IL employs 16,141 people. The economy of Jefferson County, IL is specialized in Mining, Quarrying, Oil, Gas Extraction; Wholesale trade; and Manufacturing, which employ respectively 1.91; 1.61; and 1.46 times more people than what would be expected in a location of this size. The largest industries in Jefferson County, IL are Healthcare & Social Assistance (2,647), Manufacturing (2,432), and Retail trade (2,222), and the highest paying industries are Mining, Quarrying, Oil, Gas Extraction ($66,382), Utilities ($65,455), and Professional, Scientific, Tech Services ($39,205).

Median household income in Jefferson County, IL is $43,467. Males in Jefferson County, IL have an average income that is 1.54 times higher than the average income of females, which is $40,968. The income inequality of Jefferson County, IL (measured using the Gini index) is 0.451 which is lower than the national average.


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Health & Safety

Insurance and Medicare coverage combined with state and county level health and safety statistics for Jefferson County, IL. In Jefferson County, IL the age groups most likely to have health care coverage are 6-17 and 6-17, men and women, respectively. The location has a 1 to 67 primary care clinician to patient ratio and a Medicare reimbursement average per patient per year of $10,116. St. Clair County, IL has the highest prevalence of homicides of any county in Illinois.


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Jefferson County, IL is home to a population of 38,523 people, from which 99% are citizens. The ethnic composition of the population of Jefferson County, IL is composed of 33,166 White residents (86.1%), 3,178 Black residents (8.25%), 898 Hispanic residents (2.33%), 770 Two+ residents (2%), and 443 Asian residents (1.15%). The most common foreign languages in Jefferson County, IL are Spanish (447 speakers), Other West Germanic (209 speakers), and German (117 speakers), but compared to other places, Jefferson County, IL has a relative high number of Other West Germanic (209 speakers), Gujarati (100 speakers), and German (117 speakers).


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In 2015 universities in Jefferson County, IL awarded 1,390 degrees. The student population of Jefferson County, IL is skewed away from females, with 696 male students and 694 female students. Most students in Jefferson County, IL are White (1,326 and 95.4%), followed by Black or African American (30 and 2.16%), Hispanic or Latino (17 and 1.22%), and American Indian (6 and 0.43%). The largest universities in Jefferson County, IL by number of graduates are Rend Lake College (1,390 and 100%), N/A (N/A and N/A), and N/A (N/A and N/A). The most popular majors in Jefferson County, IL are Liberal Arts & Sciences (223 and 16%), Biological & Physical Sciences (181 and 13%), and Registered Nursing (51 and 3.67%). The median tuition costs in Jefferson County, IL are N/A for private four year colleges, and N/A and N/A respectively, for public four year colleges for in-state students and out-of-state students.



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Housing & Living

The median property value in Jefferson County, IL is $88,500, which is 0.43 times smaller than the national average of $205,000. Between 2015 and 2016 the median property value increased from $87,300 to $88,500, a 1.37% increase. The homeownership rate of Jefferson County, IL is 73%, which is higher than the national average of 63.6%. People in Jefferson County, IL have an average commute time of 18.9 minutes, and they commute by Drove Alone. Car ownership in Jefferson County, IL is approximately the same as the national average, with an average of 2 cars per household.


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