Quincy, IL Demographic Data
Quincy, IL Summary
Quincy is located in Adams County in Illinois
- Population: 40,745
- Area: 15.95 sq. miles
- Land Area: 15.91 sq. miles
- Water Area: 0.04 sq. miles
- Population Density: 2,555.34 people per sq. mile
- Elevation: 632.55 ft
- Time Zone: Central Standard Time (GMT -6)
- Daylight Savings: Yes
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Quincy, IL Gender Breakdown
Gender
Number
Percent
National Avg
Female
21,375
53%
50.8
Male
19,314
48%
49.2
Total Population
40,689
323,128,000
Quincy, IL Age Breakdown
Age Group
Number
Percent
National Avg
Under 5 Years
2,808
6.9%
6.1
5 to 9 Years
2,586
6.4%
6.3
10 to 14 Years
2,485
6.1%
6.4
15 to 19 Years
2,176
5.3%
6.7
20 to 24 Years
2,736
6.7%
6.9
25 to 34 Years
5,124
12.6%
13.7
35 to 44 Years
4,649
11.4%
12.6
45 to 54 Years
4,786
11.8%
13.2
55 to 59 Years
3,034
7.5%
6.7
60 to 64 Years
2,315
5.7%
6.1
65 to 74 Years
3,829
9.4%
8.9
75 to 84 Years
2,637
6.5%
4.4
85 Years and Over
1,524
3.7%
1.9
Age Statistics
Number
Percent
National Avg
18 Years and over
31,527
77.5%
77.2
Female
16,937
53.7%
51.3
Male
14,590
46.3%
48.7
21 Years and over
30,036
73.8%
73.1
62 Years and over
9,343
23.0%
18.8
65 Years and over
7,990
19.6%
15.2
Female
4,849
60.7%
55.8
Male
3,141
39.3%
44.2
Median Age (years)
40
0.0%
0.0
Quincy, IL Race Breakdown
Race
Number
Percent
National Avg
One Race
39,863
98.0%
96.8
White
36,613
90.0%
72.6
Black or African American
2,332
5.7%
12.7
American Indian and Alaska Native
64
0.2%
0.8
Asian
425
1.0%
5.4
Asian Indian
52
0.1%
1.2
Chinese
135
0.3%
1.3
Filipino
21
0.1%
0.9
Japanese
0
0.0%
0.2
Korean
55
0.1%
0.4
Vietnamese
71
0.2%
0.6
Other Asian
91
0.2%
0.8
Native Hawaiian and Other Pacific Islander
51
0.1%
0.2
Native Hawaiian
51
0.1%
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
378
0.9%
5.1
Two or More Races
826
2.0%
3.2
Hispanic Statistics
Number
Percent
National Avg
Hispanic or Latino (of any race)
699
1.7%
17.8
Mexican
461
1.1%
11.2
Puerto Rican
68
0.2%
1.7
Cuban
27
0.1%
0.7
Other Hispanic or Latino
143
0.4%
4.2
Not Hispanic or Latino
39,990
98.3%
82.2
Quincy, IL Educational Attainment
Education Level
Number
Percent
National Avg
Less than 9th grade
567
2.0%
5.4
9th to 12th grade, no diploma
1,761
6.3%
7.2
High school graduate (includes equivalent)
9,883
35.4%
27.2
Some college, no degree
6,957
24.9%
20.6
Associate's Degree
2,079
7.5%
8.4
Bachelor's Degree
4,406
15.8%
19.3
Graduate or professional degree
2,245
8.0%
11.9
Education Summary
Number
Percent
National Avg
< High School Graduate
2,328
8.3%
12.6
High School Graduate or Higher
25,570
91.6%
87.4
Bachelor's Degree or Higher
6,651
23.8%
31.2
Quincy, IL Marital Status
Marital Status
Number
Percent
National Avg
Never Married
9,630
29.4%
33.7%
Now Married
15,512
47.3%
47.5
Divorced
4,247
12.9%
11.0%
Separated
374
1.1%
2.0
Widowed
3,047
9.3
5.8%
Quincy, IL Language Spoken at Home
Language
Number
Percent
National Avg
English Only
37,095
97.9%
78.4%
Languages other than english
786
2.1%
21.6%
Spanish
195
0.5%
13.3%
Other indo-european languages
192
0.5%
3.7%
Asian and Pacific islander languages
308
0.8%
3.5%
Other Languages
91
0.2%
1.1%
Quincy, IL Household Income
Household Income
Number
Percent
National Avg
Less than $10,000
1,319
7.6%
6.7
$10,000 to $14,999
1,385
8.0%
4.8
$15,000 to $24,999
2,104
12.2%
9.7
$25,000 to $34,999
2,343
13.5%
9.5
$35,000 to $49,999
2,733
15.8%
13.0
$50,000 to $74,999
3,338
19.3%
17.7
$75,000 to $99,999
1,963
11.3%
12.3
$100,000 to $149,000
1,280
7.4%
14.0
$150,000 to $199,999
492
2.8%
5.8
$200,000 or more
358
2.1%
6.4
Median household income
42,078
57,617
Per capita income
25,152
31,128
Quincy, IL Employment Breakdown
Industry
Number
Percent
National Avg
Agriculture, forestry, fishing, hunting and mining
44
0.2%
1.7
Arts, entertainment, recreation, accommodation and food services
1,757
9.3%
9.8
Construction
824
4.3%
6.4
Educational services, health care and social assistance
5,278
27.9%
23.0
Finance, insurance, real estate, rental, and leasing
1,326
7.0%
6.6
Information
266
1.4%
2.1
Manufacturing
2,732
14.4%
10.1
Other services except public administration
812
4.3%
4.9
Professional, scientific, management, administrative and waste management services
1,116
5.9%
11.4
Public administration
523
2.8%
4.6
Retail trade
2,794
14.7%
11.5
Transportation, warehousing and utilities
919
4.8%
5.2
Wholesale trade
560
3.0%
2.7
Occupation
Number
Percent
National Avg
Construction, extraction, maintenance, and repair occupations
1,190
6.3%
8.8%
Management, professional, and related occupations
5,556
29.3%
37.6%
Production, transportation, and material moving occupations
2,844
15.0%
12.2%
Sales and office occupations
5,401
28.5%
23.3%
Service occupations
3,960
20.9%
18.1%
Quincy, IL Commute Statistics
Commute Type
Number
Percent
National Avg
Workers 16 Years and over
18,656
Car, truck, or van - drove alone
15,679
84.0%
76.3
Car, truck, or van - carpooled
1,343
7.2%
9.0
Public transportation (excluding taxicab)
158
0.8%
5.1
Walked
554
3.0%
2.7
Other means
260
1.4%
1.8
Worked at home
662
3.5%
5.0
Mean travel time to work (Minutes)
13.6
26.6
Quincy, IL Vehicles per Household
Vehicles per Household
Number
Percent
National Avg
None
1,621
9.4%
8.7
1 vehicles
6,990
40.4%
33.2
2 vehicles
6,424
37.1%
37.1
3 or more
2,280
13.2%
21.0
Quincy, IL Housing Occupancy
Housing Occupancy
Number
Percent
National Avg
Total Housing Units
Occupied Housing Units
17,315
90.1%
87.6
Owner Occupied
10,893
62.9%
63.1
Renter Occupied
6,422
37.1%
36.9
Vacant Housing Units
1,893
9.9%
12.4
Homeowner Vacancy Rate
2
0.0%
0.0
Rental Vacancy Rate
7
0.0%
0.0
Average household size of owner-occupied unit
2.5
0.0%
2.7
Average household size of renter-occupied unit
2.0
0.0%
2.5
Quincy, IL Rooms per Residence
Rooms per Residence
Number
Percent
National Avg
Total Housing Units
19,208
1 room
355
1.8%
2.4
2 rooms
420
2.2%
2.7
3 rooms
2,152
11.2%
9.1
4 rooms
2,931
15.3%
16.5
5 rooms
4,113
21.4%
19.8
6 rooms
3,542
18.4%
17.8
7 rooms
2,126
11.1%
12.0
8 rooms
1,623
8.4%
8.6
9 rooms or more
1,946
10.1%
11.1
Median Rooms
5
0.0
Quincy, IL Structure Type Statistics
Structure Type
Number
Percent
National Avg
Total Housing Units
19,208
1-unit, detached
13,349
69.5%
61.5
1-unit, attached
731
3.8%
5.9
2-units
1,256
6.5%
3.6
3 or 4 units
1,323
6.9%
4.4
5 to 9 units
653
3.4%
4.8
10 to 19 units
507
2.6%
4.4
20 or more units
913
4.8%
9.0
Mobile home
476
2.5%
6.2
Boat, RV, van, etc.
0
0.0%
0.1
Quincy, IL Housing Age Statistics
Housing Age
Number
Percent
National Avg
1939 or earlier
5,066
26.4%
12.8%
1940 to 1949
1,769
9.2%
5.0%
1950 to 1959
3,071
16.0%
10.4%
1960 to 1969
2,497
13.0%
10.7%
1970 to 1979
2,461
12.8%
15.3%
1980 to 1989
1,014
5.3%
13.5%
1990 to 1999
1,265
6.6%
13.9%
2000 to 2009
1,872
9.7%
14.2%
2010 to 2013
161
0.8%
2.8%
2014 or later
32
0.2%
1.4%
Quincy, IL Household Heating
Heating Fuel Type
Number
Percent
National Avg
Utility Gas
11,898
68.7%
48.1
Bottled, tank, or LP gas
119
0.7%
4.7
Electricity
5,170
29.9%
38.7
Fuel oil, kerosene, etc.
17
0.1%
4.8
Coal or coke
9
0.1%
0.1
Wood
43
0.2%
1.9
Solar energy
0
0.0%
0.1
Other fuel
39
0.2%
0.5
No fuel used
20
0.1%
1.1
Quincy, IL Mortgage Statistics
Mortgage Payments
Number
Percent
National Avg
Housing units with a mortgage
6,303
47295100.0
$3,000 or more
75
1.2%
10.3%
$2,500 to $2,999
76
1.2%
7.0%
$2,000 to $2,499
290
4.6%
11.8%
Less than $500
312
5.0%
1.6%
$1,500 to $1,999
544
8.6%
20.1%
$1,000 to $1,499
1,767
28.0%
28.8%
$500 to $999
3,239
51.4%
20.4%
Mortgage Payment as % of Income
Number
Percent
National Avg
Less than 20.0%
3,581
56.8%
45.4%
20.0% to 24.9%
1,168
18.5%
15.7%
25.0% to 29.9%
491
7.8%
10.6%
30.0% to 34.9%
258
4.1%
7.0%
35.0% or more
805
12.8%
21.3%
Not Computed
0
0.0%
0.0%
Quincy, IL Rent Statistics
Rent Payment Amount
Number
Percent
National Avg
Occupied Units Paying Rent
6,117
41,631,300
$2,000 to $2,499
7
0.1%
4.4%
$3,000 or more
10
0.2%
1.8%
$2,500 to $2,999
45
0.7%
1.9%
$1,500 to $1,999
63
1.0%
11.9%
$1,000 to $1,499
446
7.3%
28.3%
Less than $500
1,800
29.4%
10.7%
$500 to $999
3,746
61.2%
41.0%
No Cash Rent
305
0.0%
2,206,240
Median (Dollars)
592
0.0%
981
Rent Payment as % of Income
Number
Percent
National Avg
Less than 15.0%
651
10.8%
13.1%
15.0% to 19.9%
851
14.1%
12.9%
20.0% to 24.9%
1,047
17.3%
12.8%
25.0% to 29.9%
660
10.9%
11.5%
30.0% to 34.9%
586
9.7%
9.0%
35.0% or more
2,242
37.1%
40.7%
Not Computed
385
0.0%
0.0%
Quincy, IL Property Value
Property Type
Number
Percent
National Avg
Specified Owner-Occupied Units
10,893
75,022,600
Less then $50,000
1,133
10.4%
7.3%
$50,000 to $99,999
3,959
36.3%
7.3%
$100,000 to $149,000
2,600
23.9%
14.1%
$150,000 to $199,000
1,434
13.2%
14.5%
$200,000 to $299,999
1,122
10.3%
19.2%
$300,000 to $499,999
410
3.8%
18.2%
$500,000 to $999,999
170
1.6%
10.5%
$1,000,000 or more
65
0.6%
3.1%
Median (Dollars)
105,600
205,000
