Jefferson County, IL Demographic Data

Jefferson County, IL Summary

Jefferson County is located in Illinois
  • Population: 38,764
  • Area: 583.78 sq. miles
    • Land Area: 571.17 sq. miles
    • Water Area: 12.62 sq. miles
  • Population Density: 66.40 people per sq. mile
  • Elevation: 481.63 ft
  • Time Zone: Central Standard Time (GMT -6)
  • Daylight Savings: Yes

Illinois Heat Map by County Population

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Jefferson County, IL Gender Breakdown

Gender
Number
Percent
National Avg
Female
18,811
49%
50.8
Male
19,712
51%
49.2
Total Population
38,523
 
323,128,000

Jefferson County, IL Age Breakdown

Age Group
Number
Percent
National Avg
Under 5 Years
2,387
6.2% 
6.1
5 to 9 Years
2,390
6.2% 
6.3
10 to 14 Years
2,252
5.8% 
6.4
15 to 19 Years
2,182
5.7% 
6.7
20 to 24 Years
2,507
6.5% 
6.9
25 to 34 Years
4,652
12.1% 
13.7
35 to 44 Years
4,732
12.3% 
12.6
45 to 54 Years
5,399
14.0% 
13.2
55 to 59 Years
2,627
6.8% 
6.7
60 to 64 Years
2,556
6.6% 
6.1
65 to 74 Years
3,792
9.8% 
8.9
75 to 84 Years
2,281
5.9% 
4.4
85 Years and Over
766
2.0% 
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
30,073
78.1%
77.2
Female
14,643
48.7%
51.3
Male
15,430
51.3%
48.7
21 Years and over
28,747
74.6%
73.1
62 Years and over
8,279
21.5%
18.8
65 Years and over
6,839
17.8%
15.2
Female
3,824
55.9%
55.8
Male
3,015
44.1%
44.2
Median Age (years)
41
0.0%
0.0

Jefferson County, IL Race Breakdown

Race
Number
Percent
National Avg
One Race
37,612
97.6% 
96.8
White
33,797
87.7% 
72.6
Black or African American
3,200
8.3% 
12.7
American Indian and Alaska Native
46
0.1% 
0.8
Asian
443
1.1% 
5.4
Asian Indian
245
0.6% 
1.2
Chinese
28
0.1% 
1.3
Filipino
80
0.2% 
0.9
Japanese
20
0.1% 
0.2
Korean
32
0.1% 
0.4
Vietnamese
23
0.1% 
0.6
Other Asian
15
0.0% 
0.8
Native Hawaiian and Other Pacific Islander
0
0.0% 
0.2
Native Hawaiian
0
0.0% 
0.1
Guamanian or Chamorro
0
0.0% 
0.0
Samoan
0
0.0% 
0.0
Other Pacific Islander
0
0.0% 
0.1
Some Other Race
126
0.3% 
5.1
Two or More Races
911
2.4% 
3.2
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
898
2.3% 
17.8
Mexican
495
1.3% 
11.2
Puerto Rican
282
0.7% 
1.7
Cuban
0
0.0% 
0.7
Other Hispanic or Latino
121
0.3% 
4.2
Not Hispanic or Latino
37,625
97.7% 
82.2

Jefferson County, IL Educational Attainment

Education Level
Number
Percent
National Avg
Less than 9th grade
1,341
5.0% 
5.4
9th to 12th grade, no diploma
2,451
9.1% 
7.2
High school graduate (includes equivalent)
8,584
32.0% 
27.2
Some college, no degree
6,978
26.0% 
20.6
Associate's Degree
3,047
11.4% 
8.4
Bachelor's Degree
2,718
10.1% 
19.3
Graduate or professional degree
1,686
6.3% 
11.9
Education Summary
Number
Percent
National Avg
< High School Graduate
3,792
14.1%
12.6
High School Graduate or Higher
23,013
85.8%
87.4
Bachelor's Degree or Higher
4,404
16.4%
31.2

Jefferson County, IL Marital Status

Marital Status
Number
Percent
National Avg
Never Married
8,664
27.5%
33.7%
Now Married
15,629
49.6%
47.5
Divorced
4,500
14.3%
11.0%
Separated
621
2.0%
2.0
Widowed
2,080
6.6
5.8%

Jefferson County, IL Language Spoken at Home

Language
Number
Percent
National Avg
English Only
34,778
96.2%
78.4%
Languages other than english
1,358
3.8%
21.6%
Spanish
507
1.4%
13.3%
Other indo-european languages
643
1.8%
3.7%
Asian and Pacific islander languages
126
0.3%
3.5%
Other Languages
82
0.2%
1.1%

Jefferson County, IL Household Income

Household Income
Number
Percent
National Avg
Less than $10,000
1,305
8.6%
6.7
$10,000 to $14,999
992
6.5%
4.8
$15,000 to $24,999
2,246
14.8%
9.7
$25,000 to $34,999
1,676
11.0%
9.5
$35,000 to $49,999
2,307
15.2%
13.0
$50,000 to $74,999
2,717
17.9%
17.7
$75,000 to $99,999
1,615
10.6%
12.3
$100,000 to $149,000
1,636
10.8%
14.0
$150,000 to $199,999
454
3.0%
5.8
$200,000 or more
241
1.6%
6.4
Median household income
43,467
 
57,617
Per capita income
23,054
 
31,128

Jefferson County, IL Employment Breakdown

Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
413
2.6%
1.7
Arts, entertainment, recreation, accommodation and food services
1,395
8.6%
9.8
Construction
882
5.5%
6.4
Educational services, health care and social assistance
3,883
24.1%
23.0
Finance, insurance, real estate, rental, and leasing
663
4.1%
6.6
Information
147
0.9%
2.1
Manufacturing
2,432
15.1%
10.1
Other services except public administration
797
4.9%
4.9
Professional, scientific, management, administrative and waste management services
945
5.9%
11.4
Public administration
658
4.1%
4.6
Retail trade
2,222
13.8%
11.5
Transportation, warehousing and utilities
1,004
6.2%
5.2
Wholesale trade
700
4.3%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
1,469
9.1%
8.8%
Management, professional, and related occupations
4,380
27.1%
37.6%
Production, transportation, and material moving occupations
3,286
20.4%
12.2%
Sales and office occupations
3,833
23.7%
23.3%
Service occupations
3,173
19.7%
18.1%

Jefferson County, IL Commute Statistics

Commute Type
Number
Percent
National Avg
Workers 16 Years and over
15,715
 
 
Car, truck, or van - drove alone
13,166
83.8%
76.3
Car, truck, or van - carpooled
1,246
7.9%
9.0
Public transportation (excluding taxicab)
100
0.6%
5.1
Walked
350
2.2%
2.7
Other means
361
2.3%
1.8
Worked at home
492
3.1%
5.0
Mean travel time to work (Minutes)
19.5
 
26.6

Jefferson County, IL Vehicles per Household

Vehicles per Household
Number
Percent
National Avg
None
1,265
8.3%
8.7
1 vehicles
5,057
33.3%
33.2
2 vehicles
5,634
37.1%
37.1
3 or more
3,233
21.3%
21.0

Jefferson County, IL Housing Occupancy

Housing Occupancy
Number
Percent
National Avg
Total Housing Units
 
 
Occupied Housing Units
15,189
90.2%
87.6
Owner Occupied
11,089
73.0%
63.1
Renter Occupied
4,100
27.0%
36.9
Vacant Housing Units
1,647
9.8%
12.4
Homeowner Vacancy Rate
1
0.0%
0.0
Rental Vacancy Rate
4
0.0%
0.0
Average household size of owner-occupied unit
2.5
0.0%
2.7
Average household size of renter-occupied unit
2.1
0.0%
2.5

Jefferson County, IL Rooms per Residence

Rooms per Residence
Number
Percent
National Avg
Total Housing Units
16,836
1 room
295
1.8%
2.4
2 rooms
342
2.0%
2.7
3 rooms
1,080
6.4%
9.1
4 rooms
2,737
16.3%
16.5
5 rooms
3,748
22.3%
19.8
6 rooms
3,819
22.7%
17.8
7 rooms
2,247
13.3%
12.0
8 rooms
1,191
7.1%
8.6
9 rooms or more
1,377
8.2%
11.1
Median Rooms
6
 
0.0

Jefferson County, IL Structure Type Statistics

Structure Type
Number
Percent
National Avg
Total Housing Units
16,836
 
 
1-unit, detached
11,674
69.3%
61.5
1-unit, attached
69
0.4%
5.9
2-units
123
0.7%
3.6
3 or 4 units
413
2.5%
4.4
5 to 9 units
501
3.0%
4.8
10 to 19 units
468
2.8%
4.4
20 or more units
612
3.6%
9.0
Mobile home
2,971
17.6%
6.2
Boat, RV, van, etc.
5
0.0%
0.1

Jefferson County, IL Housing Age Statistics

Housing Age
Number
Percent
National Avg
1939 or earlier
2,538
15.1%
12.8%
1940 to 1949
1,332
7.9%
5.0%
1950 to 1959
1,648
9.8%
10.4%
1960 to 1969
1,537
9.1%
10.7%
1970 to 1979
3,161
18.8%
15.3%
1980 to 1989
1,988
11.8%
13.5%
1990 to 1999
2,308
13.7%
13.9%
2000 to 2009
2,039
12.1%
14.2%
2010 to 2013
253
1.5%
2.8%
2014 or later
32
0.2%
1.4%

Jefferson County, IL Household Heating

Heating Fuel Type
Number
Percent
National Avg
Utility Gas
5,612
36.9%
48.1
Bottled, tank, or LP gas
3,198
21.1%
4.7
Electricity
5,544
36.5%
38.7
Fuel oil, kerosene, etc.
22
0.1%
4.8
Coal or coke
0
0.0%
0.1
Wood
646
4.3%
1.9
Solar energy
0
0.0%
0.1
Other fuel
80
0.5%
0.5
No fuel used
87
0.6%
1.1

Jefferson County, IL Mortgage Statistics

Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
5,788
 
47295100.0
$2,500 to $2,999
73
1.3%
7.0%
$3,000 or more
76
1.3%
10.3%
Less than $500
231
4.0%
1.6%
$2,000 to $2,499
256
4.4%
11.8%
$1,500 to $1,999
749
12.9%
20.1%
$1,000 to $1,499
1,869
32.3%
28.8%
$500 to $999
2,534
43.8%
20.4%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
3,031
52.5%
45.4%
20.0% to 24.9%
800
13.8%
15.7%
25.0% to 29.9%
401
6.9%
10.6%
30.0% to 34.9%
419
7.3%
7.0%
35.0% or more
1,127
19.5%
21.3%
Not Computed
10
0.0%
0.0%

Jefferson County, IL Rent Statistics

Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
3,700 
 
41,631,300 
$1,500 to $1,999
9
0.2%
11.9%
$3,000 or more
10
0.3%
1.8%
$2,000 to $2,499
19
0.5%
4.4%
$2,500 to $2,999
30
0.8%
1.9%
$1,000 to $1,499
177
4.8%
28.3%
Less than $500
1,164
31.5%
10.7%
$500 to $999
2,291
61.9%
41.0%
No Cash Rent
400
0.0%
2,206,240
Median (Dollars)
594
0.0%
981
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
556
15.2%
13.1%
15.0% to 19.9%
489
13.4%
12.9%
20.0% to 24.9%
432
11.8%
12.8%
25.0% to 29.9%
419
11.5%
11.5%
30.0% to 34.9%
407
11.1%
9.0%
35.0% or more
1,355
37.0%
40.7%
Not Computed
442
0.0%
0.0%

Jefferson County, IL Property Value

Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
11,089
 
75,022,600
Less then $50,000
2,694
24.3%
7.3%
$50,000 to $99,999
3,446
31.1%
7.3%
$100,000 to $149,000
2,110
19.0%
14.1%
$150,000 to $199,000
1,179
10.6%
14.5%
$200,000 to $299,999
1,222
11.0%
19.2%
$300,000 to $499,999
360
3.2%
18.2%
$500,000 to $999,999
34
0.3%
10.5%
$1,000,000 or more
44
0.4%
3.1%
Median (Dollars)
88,500
 
205,000