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
18,761
49%
50.8
Male
19,817
51%
49.2
Total Population
38,578
 
321,419,000

Jefferson County, IL Age Breakdown

Age Group
Number
Percent
National Avg
Under 5 Years
2,375
6.2% 
6.2
5 to 9 Years
2,407
6.2% 
6.4
10 to 14 Years
2,177
5.6% 
6.4
15 to 19 Years
2,329
6.0% 
6.7
20 to 24 Years
2,517
6.5% 
7.0
25 to 34 Years
4,668
12.1% 
13.7
35 to 44 Years
4,840
12.5% 
12.7
45 to 54 Years
5,396
14.0% 
13.4
55 to 59 Years
2,615
6.8% 
6.7
60 to 64 Years
2,591
6.7% 
6.0
65 to 74 Years
3,630
9.4% 
8.6
75 to 84 Years
2,184
5.7% 
4.4
85 Years and Over
849
2.2% 
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
30,183
78.2%
77.1
Female
14,695
48.7%
51.4
Male
15,488
51.3%
48.6
21 Years and over
28,751
74.5%
72.9
62 Years and over
8,064
20.9%
18.3
65 Years and over
6,663
17.3%
14.9
Female
3,734
56.0%
55.9
Male
2,929
44.0%
44.1
Median Age (years)
41
NR
NR

Jefferson County, IL Race Breakdown

Race
Number
Percent
National Avg
One Race
37,546
97.3% 
96.9
White
33,894
87.9% 
73.1
Black or African American
3,067
8.0% 
12.7
American Indian and Alaska Native
66
0.2% 
0.8
Asian
406
1.1% 
5.4
Asian Indian
259
0.7% 
1.2
Chinese
20
0.1% 
1.3
Filipino
29
0.1% 
0.9
Japanese
33
0.1% 
0.2
Korean
22
0.1% 
0.5
Vietnamese
36
0.1% 
0.5
Other Asian
7
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
113
0.3% 
4.8
Two or More Races
1,032
2.7% 
3.1
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
880
2.3% 
17.6
Mexican
528
1.4% 
11.1
Puerto Rican
259
0.7% 
1.7
Cuban
0
0.0% 
0.7
Other Hispanic or Latino
93
0.2% 
4.1
Not Hispanic or Latino
37,698
97.7% 
82.4

Jefferson County, IL Educational Attainment

Education Level
Number
Percent
National Avg
Less than 9th grade
1,416
5.3% 
5.5
9th to 12th grade, no diploma
2,320
8.7% 
7.3
High school graduate (includes equivalent)
8,787
32.8% 
27.6
Some college, no degree
6,847
25.6% 
20.7
Associate's Degree
3,045
11.4% 
8.2
Bachelor's Degree
2,739
10.2% 
19.0
Graduate or professional degree
1,619
6.0% 
11.6
Education Summary
Number
Percent
National Avg
< High School Graduate
3,736
14.0%
12.8
High School Graduate or Higher
23,037
86.0%
87.1
Bachelor's Degree or Higher
4,358
16.2%
30.6

Jefferson County, IL Marital Status

Marital Status
Number
Percent
National Avg
Never Married
8,572
27.1%
33.5%
Now Married
15,844
50.1%
47.5
Divorced
4,282
13.5%
11.0%
Separated
706
2.2%
2.1
Widowed
2,215
7.0
5.8%

Jefferson County, IL Language Spoken at Home

Language
Number
Percent
National Avg
English Only
34,923
96.5%
78.5%
Languages other than english
1,280
3.5%
21.5%
Spanish
447
1.2%
13.3%
Other indo-european languages
592
1.6%
3.7%
Asian and Pacific islander languages
124
0.3%
3.5%
Other Languages
117
0.3%
1.0%

Jefferson County, IL Household Income

Household Income
Number
Percent
National Avg
Less than $10,000
1,327
0.0%
0.0
$10,000 to $14,999
1,047
0.0%
0.0
$15,000 to $24,999
2,189
0.0%
0.0
$25,000 to $34,999
1,701
0.0%
0.0
$35,000 to $49,999
2,345
0.0%
0.0
$50,000 to $74,999
2,771
0.0%
0.0
$75,000 to $99,999
1,611
0.0%
0.0
$100,000 to $149,000
1,613
0.0%
0.0
$150,000 to $199,999
380
0.0%
0.0
$200,000 or more
293
0.0%
0.0
Median household income
43,247
 
55,775
Per capita income
22,975
 
29,979

Jefferson County, IL Employment Breakdown

Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
476
2.9%
1.9
Arts, entertainment, recreation, accommodation and food services
1,462
8.8%
9.8
Construction
900
5.4%
6.4
Educational services, health care and social assistance
3,947
23.9%
22.9
Finance, insurance, real estate, rental, and leasing
675
4.1%
6.5
Information
162
1.0%
2.1
Manufacturing
2,370
14.3%
10.3
Other services except public administration
715
4.3%
4.9
Professional, scientific, management, administrative and waste management services
1,065
6.4%
11.3
Public administration
624
3.8%
4.6
Retail trade
2,446
14.8%
11.5
Transportation, warehousing and utilities
988
6.0%
5.1
Wholesale trade
698
4.2%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
1,528
9.2%
9.0%
Management, professional, and related occupations
4,399
26.6%
37.1%
Production, transportation, and material moving occupations
3,440
20.8%
12.3%
Sales and office occupations
3,885
23.5%
23.6%
Service occupations
3,276
19.8%
18.0%

Jefferson County, IL Commute Statistics

Commute Type
Number
Percent
National Avg
Workers 16 Years and over
16,048
 
 
Car, truck, or van - drove alone
13,255
82.6%
76.6
Car, truck, or van - carpooled
1,422
8.9%
9.0
Public transportation (excluding taxicab)
58
0.4%
5.2
Walked
367
2.3%
2.8
Other means
342
2.1%
1.8
Worked at home
604
3.8%
4.6
Mean travel time to work (Minutes)
20.0
 
26.0

Jefferson County, IL Vehicles per Household

Vehicles per Household
Number
Percent
National Avg
None
1,371
9.0%
8.9
1 vehicles
4,911
32.1%
33.5
2 vehicles
5,620
36.8%
37.2
3 or more
3,375
22.1%
20.3

Jefferson County, IL Housing Occupancy

Housing Occupancy
Number
Percent
National Avg
Total Housing Units
 
 
Occupied Housing Units
15,277
90.5%
87.7
Owner Occupied
11,148
73.0%
63.0
Renter Occupied
4,129
27.0%
37.0
Vacant Housing Units
1,596
9.5%
12.3
Homeowner Vacancy Rate
1
NR
NR
Rental Vacancy Rate
4
NR
NR
Average household size of owner-occupied unit
3.0
NR
3.0
Average household size of renter-occupied unit
2.0
NR
3.0

Jefferson County, IL Rooms per Residence

Rooms per Residence
Number
Percent
National Avg
Total Housing Units
16,873
1 room
292
1.7%
2.3
2 rooms
366
2.2%
2.5
3 rooms
1,042
6.2%
9.0
4 rooms
2,714
16.1%
16.6
5 rooms
3,800
22.5%
20.0
6 rooms
3,869
22.9%
17.9
7 rooms
2,128
12.6%
12.1
8 rooms
1,331
7.9%
8.5
9 rooms or more
1,331
7.9%
11.1
Median Rooms
6
 

Jefferson County, IL Structure Type Statistics

Structure Type
Number
Percent
National Avg
Total Housing Units
16,873
 
 
1-unit, detached
11,612
68.8%
61.4
1-unit, attached
95
0.6%
5.8
2-units
193
1.1%
3.7
3 or 4 units
387
2.3%
4.5
5 to 9 units
498
3.0%
4.8
10 to 19 units
465
2.8%
4.6
20 or more units
605
3.6%
8.8
Mobile home
3,011
17.8%
6.3
Boat, RV, van, etc.
7
0.0%
0.1

Jefferson County, IL Housing Age Statistics

Housing Age
Number
Percent
National Avg
1939 or earlier
2,501
14.8%
13.0%
1940 to 1949
1,351
8.0%
5.1%
1950 to 1959
1,646
9.8%
10.5%
1960 to 1969
1,770
10.5%
10.8%
1970 to 1979
3,132
18.6%
15.5%
1980 to 1989
1,987
11.8%
13.6%
1990 to 1999
2,385
14.1%
14.0%
2000 to 2009
1,899
11.3%
14.5%
2010 to 2013
190
1.1%
2.5%
2014 or later
12
0.1%
0.5%

Jefferson County, IL Household Heating

Heating Fuel Type
Number
Percent
National Avg
Utility Gas
5,799
38.0%
48.2
Bottled, tank, or LP gas
3,177
20.8%
4.7
Electricity
5,502
36.0%
38.2
Fuel oil, kerosene, etc.
25
0.2%
5.1
Coal or coke
0
0.0%
0.1
Wood
619
4.1%
2.0
Solar energy
0
0.0%
0.1
Other fuel
79
0.5%
0.5
No fuel used
76
0.5%
1.2

Jefferson County, IL Mortgage Statistics

Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
5,848
 
47140700.0
$2,500 to $2,999
45
0.8%
6.8%
$3,000 or more
109
1.9%
9.9%
$2,000 to $2,499
225
3.8%
11.8%
Less than $500
264
4.5%
1.5%
$1,500 to 1,999
686
11.7%
20.3%
$1,000 to 1,499
1,933
33.1%
29.2%
$500 to $999
2,586
44.2%
20.5%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
3,101
53.1%
43.6%
20.0% to 24.9%
840
14.4%
15.9%
25.0% to 29.9%
488
8.4%
10.9%
30.0% to 34.9%
351
6.0%
7.3%
35.0% or more
1,057
18.1%
22.3%
Not Computed
11
NR
NR

Jefferson County, IL Rent Statistics

Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
3,706 
 
41,410,200 
$3,000 or more
0
0.0%
1.5%
$1,500 to $1,999
9
0.2%
11.0%
$2,500 to $2,999
18
0.5%
1.7%
$2,000 to $2,499
66
1.8%
4.1%
$1,000 to $1,499
178
4.8%
27.9%
Less than $500
1,192
32.2%
11.0%
$500 to $999
2,243
60.5%
42.7%
No Cash Rent
423
NR
2,291,570
Median (Dollars)
590
NR
959
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
581
15.9%
12.6%
15.0% to 19.9%
534
14.7%
12.5%
20.0% to 24.9%
368
10.1%
12.8%
25.0% to 29.9%
442
12.1%
11.5%
30.0% to 34.9%
324
8.9%
9.2%
35.0% or more
1,395
38.3%
41.4%
Not Computed
485
NR
NR

Jefferson County, IL Property Value

Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
11,148
 
74,506,500
Less then $50,000
2,780
24.9%
7.5%
$50,000 to $99,999
3,543
31.8%
7.5%
$100,000 to $149,000
2,143
19.2%
15.0%
$150,000 to $199,000
1,168
10.5%
14.8%
$200,000 to $299,999
1,100
9.9%
18.8%
$300,000 to $499,999
313
2.8%
17.3%
$500,000 to $999,999
61
0.5%
9.7%
$1,000,000 or more
40
0.4%
2.7%
Median (Dollars)
87,300
 
194,500
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