Jefferson County, IA Demographic Data
Jefferson County, IA Summary
Jefferson County is located in Iowa
- Population: 16,791
- Area: 436.88 sq. miles
- Land Area: 435.51 sq. miles
- Water Area: 1.37 sq. miles
- Population Density: 38.43 people per sq. mile
- Elevation: 767.72 ft
- Time Zone: Central Standard Time (GMT -6)
- Daylight Savings: Yes
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Jefferson County, IA Gender Breakdown
Gender
Number
Percent
National Avg
Female
8,267
47%
50.8
Male
9,395
53%
49.2
Total Population
17,662
323,128,000
Jefferson County, IA Age Breakdown
Age Group
Number
Percent
National Avg
Under 5 Years
845
4.8%
6.1
5 to 9 Years
658
3.7%
6.3
10 to 14 Years
1,200
6.8%
6.4
15 to 19 Years
1,024
5.8%
6.7
20 to 24 Years
1,502
8.5%
6.9
25 to 34 Years
2,222
12.6%
13.7
35 to 44 Years
2,061
11.7%
12.6
45 to 54 Years
1,857
10.5%
13.2
55 to 59 Years
1,221
6.9%
6.7
60 to 64 Years
1,876
10.6%
6.1
65 to 74 Years
1,961
11.1%
8.9
75 to 84 Years
839
4.8%
4.4
85 Years and Over
396
2.2%
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
14,215
80.5%
77.2
Female
6,616
46.5%
51.3
Male
7,599
53.5%
48.7
21 Years and over
13,652
77.3%
73.1
62 Years and over
4,431
25.1%
18.8
65 Years and over
3,196
18.1%
15.2
Female
1,747
54.7%
55.8
Male
1,449
45.3%
44.2
Median Age (years)
41
0.0%
0.0
Jefferson County, IA Race Breakdown
Race
Number
Percent
National Avg
One Race
17,100
96.8%
96.8
White
14,839
84.0%
72.6
Black or African American
1,011
5.7%
12.7
American Indian and Alaska Native
2
0.0%
0.8
Asian
825
4.7%
5.4
Asian Indian
387
2.2%
1.2
Chinese
308
1.7%
1.3
Filipino
31
0.2%
0.9
Japanese
0
0.0%
0.2
Korean
0
0.0%
0.4
Vietnamese
1
0.0%
0.6
Other Asian
98
0.6%
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
423
2.4%
5.1
Two or More Races
562
3.2%
3.2
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
521
2.9%
17.8
Mexican
263
1.5%
11.2
Puerto Rican
86
0.5%
1.7
Cuban
0
0.0%
0.7
Other Hispanic or Latino
172
1.0%
4.2
Not Hispanic or Latino
17,141
97.1%
82.2
Jefferson County, IA Educational Attainment
Education Level
Number
Percent
National Avg
Less than 9th grade
169
1.4%
5.4
9th to 12th grade, no diploma
461
3.7%
7.2
High school graduate (includes equivalent)
3,614
29.1%
27.2
Some college, no degree
2,709
21.8%
20.6
Associate's Degree
1,363
11.0%
8.4
Bachelor's Degree
2,306
18.5%
19.3
Graduate or professional degree
1,811
14.6%
11.9
Education Summary
Number
Percent
National Avg
< High School Graduate
630
5.1%
12.6
High School Graduate or Higher
11,803
95.0%
87.4
Bachelor's Degree or Higher
4,117
33.1%
31.2
Jefferson County, IA Marital Status
Marital Status
Number
Percent
National Avg
Never Married
5,057
33.8%
33.7%
Now Married
7,198
48.1%
47.5
Divorced
1,622
10.8%
11.0%
Separated
208
1.4%
2.0
Widowed
874
5.8
5.8%
Jefferson County, IA Language Spoken at Home
Language
Number
Percent
National Avg
English Only
14,816
88.1%
78.4%
Languages other than english
2,001
11.9%
21.6%
Spanish
315
1.9%
13.3%
Other indo-european languages
1,083
6.4%
3.7%
Asian and Pacific islander languages
345
2.1%
3.5%
Other Languages
258
1.5%
1.1%
Jefferson County, IA Household Income
Household Income
Number
Percent
National Avg
Less than $10,000
542
7.9%
6.7
$10,000 to $14,999
552
8.0%
4.8
$15,000 to $24,999
829
12.0%
9.7
$25,000 to $34,999
770
11.2%
9.5
$35,000 to $49,999
1,032
15.0%
13.0
$50,000 to $74,999
1,297
18.8%
17.7
$75,000 to $99,999
896
13.0%
12.3
$100,000 to $149,000
703
10.2%
14.0
$150,000 to $199,999
149
2.2%
5.8
$200,000 or more
126
1.8%
6.4
Median household income
45,257
57,617
Per capita income
25,120
31,128
Jefferson County, IA Employment Breakdown
Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
275
3.4%
1.7
Arts, entertainment, recreation, accommodation and food services
580
7.2%
9.8
Construction
326
4.0%
6.4
Educational services, health care and social assistance
1,718
21.3%
23.0
Finance, insurance, real estate, rental, and leasing
688
8.5%
6.6
Information
110
1.4%
2.1
Manufacturing
1,386
17.2%
10.1
Other services except public administration
559
6.9%
4.9
Professional, scientific, management, administrative and waste management services
833
10.3%
11.4
Public administration
298
3.7%
4.6
Retail trade
814
10.1%
11.5
Transportation, warehousing and utilities
215
2.7%
5.2
Wholesale trade
255
3.2%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
696
8.6%
8.8%
Management, professional, and related occupations
3,047
37.8%
37.6%
Production, transportation, and material moving occupations
1,160
14.4%
12.2%
Sales and office occupations
1,938
24.1%
23.3%
Service occupations
1,216
15.1%
18.1%
Jefferson County, IA Commute Statistics
Commute Type
Number
Percent
National Avg
Workers 16 Years and over
7,933
Car, truck, or van - drove alone
6,189
78.0%
76.3
Car, truck, or van - carpooled
475
6.0%
9.0
Public transportation (excluding taxicab)
8
0.1%
5.1
Walked
186
2.3%
2.7
Other means
158
2.0%
1.8
Worked at home
917
11.6%
5.0
Mean travel time to work (Minutes)
14.7
26.6
Jefferson County, IA Vehicles per Household
Vehicles per Household
Number
Percent
National Avg
None
337
4.9%
8.7
1 vehicles
2,412
35.0%
33.2
2 vehicles
2,403
34.8%
37.1
3 or more
1,744
25.3%
21.0
Jefferson County, IA Housing Occupancy
Housing Occupancy
Number
Percent
National Avg
Total Housing Units
Occupied Housing Units
6,896
91.3%
87.6
Owner Occupied
4,575
66.3%
63.1
Renter Occupied
2,321
33.7%
36.9
Vacant Housing Units
658
8.7%
12.4
Homeowner Vacancy Rate
1
0.0%
0.0
Rental Vacancy Rate
3
0.0%
0.0
Average household size of owner-occupied unit
2.3
0.0%
2.7
Average household size of renter-occupied unit
2.4
0.0%
2.5
Jefferson County, IA Rooms per Residence
Rooms per Residence
Number
Percent
National Avg
Total Housing Units
7,554
1 room
142
1.9%
2.4
2 rooms
129
1.7%
2.7
3 rooms
701
9.3%
9.1
4 rooms
1,280
16.9%
16.5
5 rooms
1,539
20.4%
19.8
6 rooms
1,132
15.0%
17.8
7 rooms
1,014
13.4%
12.0
8 rooms
661
8.8%
8.6
9 rooms or more
956
12.7%
11.1
Median Rooms
6
0.0
Jefferson County, IA Structure Type Statistics
Structure Type
Number
Percent
National Avg
Total Housing Units
7,554
1-unit, detached
5,356
70.9%
61.5
1-unit, attached
69
0.9%
5.9
2-units
227
3.0%
3.6
3 or 4 units
593
7.9%
4.4
5 to 9 units
273
3.6%
4.8
10 to 19 units
61
0.8%
4.4
20 or more units
227
3.0%
9.0
Mobile home
737
9.8%
6.2
Boat, RV, van, etc.
11
0.1%
0.1
Jefferson County, IA Housing Age Statistics
Housing Age
Number
Percent
National Avg
1939 or earlier
2,416
32.0%
12.8%
1940 to 1949
262
3.5%
5.0%
1950 to 1959
604
8.0%
10.4%
1960 to 1969
773
10.2%
10.7%
1970 to 1979
682
9.0%
15.3%
1980 to 1989
996
13.2%
13.5%
1990 to 1999
942
12.5%
13.9%
2000 to 2009
801
10.6%
14.2%
2010 to 2013
78
1.0%
2.8%
2014 or later
0
0.0%
1.4%
Jefferson County, IA Household Heating
Heating Fuel Type
Number
Percent
National Avg
Utility Gas
3,548
51.5%
48.1
Bottled, tank, or LP gas
1,636
23.7%
4.7
Electricity
1,191
17.3%
38.7
Fuel oil, kerosene, etc.
3
0.0%
4.8
Coal or coke
0
0.0%
0.1
Wood
396
5.7%
1.9
Solar energy
19
0.3%
0.1
Other fuel
83
1.2%
0.5
No fuel used
20
0.3%
1.1
Jefferson County, IA Mortgage Statistics
Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
2,372
47295100.0
$3,000 or more
44
1.9%
10.3%
$2,000 to $2,499
54
2.3%
11.8%
$2,500 to $2,999
58
2.4%
7.0%
Less than $500
73
3.1%
1.6%
$1,500 to $1,999
291
12.3%
20.1%
$1,000 to $1,499
800
33.7%
28.8%
$500 to $999
1,052
44.4%
20.4%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
1,259
53.1%
45.4%
20.0% to 24.9%
366
15.4%
15.7%
25.0% to 29.9%
174
7.3%
10.6%
30.0% to 34.9%
139
5.9%
7.0%
35.0% or more
431
18.2%
21.3%
Not Computed
3
0.0%
0.0%
Jefferson County, IA Rent Statistics
Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
2,168
41,631,300
$2,500 to $2,999
0
0.0%
1.9%
$3,000 or more
0
0.0%
1.8%
$2,000 to $2,499
2
0.1%
4.4%
$1,500 to $1,999
45
2.1%
11.9%
$1,000 to $1,499
196
9.0%
28.3%
Less than $500
691
31.9%
10.7%
$500 to $999
1,234
56.9%
41.0%
No Cash Rent
153
0.0%
2,206,240
Median (Dollars)
626
0.0%
981
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
450
21.7%
13.1%
15.0% to 19.9%
247
11.9%
12.9%
20.0% to 24.9%
441
21.2%
12.8%
25.0% to 29.9%
182
8.8%
11.5%
30.0% to 34.9%
87
4.2%
9.0%
35.0% or more
669
32.2%
40.7%
Not Computed
245
0.0%
0.0%
Jefferson County, IA Property Value
Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
4,575
75,022,600
Less then $50,000
743
16.2%
7.3%
$50,000 to $99,999
1,323
28.9%
7.3%
$100,000 to $149,000
966
21.1%
14.1%
$150,000 to $199,000
643
14.1%
14.5%
$200,000 to $299,999
490
10.7%
19.2%
$300,000 to $499,999
298
6.5%
18.2%
$500,000 to $999,999
89
1.9%
10.5%
$1,000,000 or more
23
0.5%
3.1%
Median (Dollars)
110,700
205,000