Jefferson County, bordered on the east by the Mississippi River, has experienced rapid growth recently to 220,691 due to migration from St. Louis City and County. Manufacturing is the major industry. Interstate 55 connects the county to Memphis, the City of St. Louis, and Chicago.
| Demographics |
| Population |
| Population |
220,691 |
| Households |
83,073 |
| Average Age |
37 |
| Educational Attainment |
| High School Graduates |
84.6% |
| Associate Degree |
25.5% |
| Bachelor's Degree |
16.2% |
| Graduate Degree |
5.5% |
| Income |
| Median Household Income |
$58,810 |
| Per Capita Income |
$24,609 |
| Employment by Industry |
| Agriculture, Mining |
0.5% |
| Construction |
10.4% |
| Trade, Transp., Utilities |
22.7% |
| Manufacturing |
16.6% |
| Public Administration |
2.8% |
| Financial services |
5.1% |
| Information |
2.7% |
| Education and Health |
16.5% |
| Leisure and Hospitality |
7.2% |
| Professional Bus. Services |
5.8% |
| Other services |
9.6% |
| Labor Characteristics |
| Labor Force |
120,448 |
| Population, 16+ |
174,398 |
| Unemployment Rate: |
9.1% |
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| Largest Employers |
| Company |
Industry |
Employment |
| Fox C-6 School District |
Education |
1800 |
| Jefferson Memorial Hospital |
Health Care |
1200 |
| Northwest R-1 School District |
Education |
800 |
| Jefferson County (MO) |
Government |
746 |
| Dobbs Tire & Auto Centers Inc. |
Retail |
600 |
| Hillsboro School District |
Education |
400 |
| Windsor School District |
Education |
350 |
| Metal Container Corp. |
Manufacturing |
335 |
| DOE Run Resources Corp |
Utilities |
300 |
| DeSoto School District |
Education |
300 |
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