About Jefferson County
Metro Area 
$253,967Median Home Value
$247,132
St. Louis Metro Area
$1,377Median Rent
$1,318
St. Louis Metro Area
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Towns of Jefferson County
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Demographics
Jefferson County's population is made up of 57% married, 28% single, 11% divorced and 4% widowed. Baby Boomers make up the largest percentage of the population at 38%, while Millennials have the second largest segment at 25%. Homeowners make up 85% of the population in Jefferson County.
231,230Population
2,795,504
St. Louis Metro Area
342Population Density
- 50% Male
- 50% Female
40 Median Age
39
St. Louis Metro Area
Employment
The Per Capita income in Jefferson County is $39,258. The Median Household Income is $81,843
$39,258Income Per Capita
$44,804
St. Louis Metro Area
$81,843Median Household Income
$78,224
St. Louis Metro Area
10% Poverty Rate
10%
St. Louis Metro Area
3% Unemployment Rate
4%
St. Louis Metro Area
Nearby Places
Amenities
Amenities in Jefferson County
Real Estate
$253,967Median Home Value
$247,132
St. Louis Metro Area
$1,377Median Rent
$1,318
St. Louis Metro Area
2Average Household Size
2
St. Louis Metro Area
Occupancy Type
Renters
15%
Home Owners
85%
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