Quincy, IL Demographic Statistics

Updated June 5, 2020 | Infoplease Staff

SEX AND AGE
	Number	Percent

Total population	40,366	100.0

Male	18,932	46.9
Female	21,434	53.1

Under 5 years	2,397	5.9
5 to 9 years	2,657	6.6
10 to 14 years	2,714	6.7
15 to 19 years	2,972	7.4
20 to 24 years	2,721	6.7
25 to 34 years	4,870	12.1
35 to 44 years	5,557	13.8
45 to 54 years	4,947	12.3
55 to 59 years	1,897	4.7
60 to 64 years	1,611	4.0
65 to 74 years	3,412	8.5
75 to 84 years	3,165	7.8
85 years and over	1,446	3.6

Median age (years)	38.4	(X)

18 years and over	30,938	76.6
Male	14,243	35.3
Female	16,695	41.4
21 years and over	28,954	71.7
62 years and over	8,999	22.3
65 years and over	8,023	19.9
Male	3,130	7.8
Female	4,893	12.1

RACE
One race	39,872	98.8
White	37,550	93.0
Black or African American	1,879	4.7
American Indian and Alaska Native	75	0.2
Asian	216	0.5
Asian Indian	42	0.1
Chinese	64	0.2
Filipino	36	0.1
Japanese	12	0.0
Korean	6	0.0
Vietnamese	12	0.0
Other Asian ¹	44	0.1
Native Hawaiian and Other Pacific Islander	5	0.0
Native Hawaiian	3	0.0
Guamanian or Chamorro	0	0.0
Samoan	1	0.0
Other Pacific Islander ²	1	0.0
Some other race	147	0.4
Two or more races	494	1.2

Race alone or in combination with one or more other races ³
White	37,991	94.1
Black or African American	2,167	5.4
American Indian and Alaska Native	209	0.5
Asian	283	0.7
Native Hawaiian and Other Pacific Islander	17	0.0
Some other race	226	0.6

HISPANIC OR LATINO AND RACE
Total population	40,366	100.0
Hispanic or Latino (of any race)	381	0.9
Mexican	196	0.5
Puerto Rican	31	0.1
Cuban	24	0.1
Other Hispanic or Latino	130	0.3
Not Hispanic or Latino	39,985	99.1
White alone	37,332	92.5

RELATIONSHIP
Total population	40,366	100.0
In households	38,002	94.1
Householder	16,546	41.0
Spouse	7,658	19.0
Child	10,780	26.7
Own child under 18 years	8,590	21.3
Other relatives	1,164	2.9
Under 18 years	517	1.3
Nonrelatives	1,854	4.6
Unmarried partner	897	2.2
In group quarters	2,364	5.9
Institutionalized population	1,618	4.0
Noninstitutionalized population	746	1.8

HOUSEHOLDS BY TYPE
Total households	16,546	100.0
Family households (families)	10,106	61.1
With own children under 18 years	4,733	28.6
Married-couple family	7,658	46.3
With own children under 18 years	3,167	19.1
Female householder, no husband present	1,923	11.6
With own children under 18 years	1,252	7.6
Nonfamily households	6,440	38.9
Householder living alone	5,582	33.7
Householder 65 years and over	2,526	15.3

Households with individuals under 18 years	5,119	30.9
Households with individuals 65 years and over	4,971	30.0

Average household size	2.30	(X)
Average family size	2.94	(X)

HOUSING OCCUPANCY
Total housing units	18,043	100.0
Occupied housing units	16,546	91.7
Vacant housing units	1,497	8.3
For seasonal, recreational, or occasional use	53	0.3

Homeowner vacancy rate (percent)	1.8	(X)
Rental vacancy rate (percent)	9.9	(X)

HOUSING TENURE
Occupied housing units	16,546	100.0
Owner-occupied housing units	10,992	66.4
Renter-occupied housing units	5,554	33.6

Average household size of owner-occupied unit	2.43	(X)
Average household size of renter-occupied unit	2.03	(X)

(X) Not applicable
¹ Other Asian alone, or two or more Asian categories.
² Other Pacific Islander alone, or two or more Native Hawaiian and Other Pacific Islander categories.
³ In combination with one or more other races listed. The six numbers may add to more than the total population and the six percentages may add to more than 100 percent because individuals may report more than one race.
Source: U.S. Census Bureau, Census 2000 Summary File 1, Matrices P1, P3, P4, P8, P9, P12, P13, P,17, P18, P19, P20, P23, P27, P28, P33, PCT5, PCT8, PCT11, PCT15, H1, H3, H4, H5, H11, and H12.

Sources +

View captivating images and news briefs about critical government decisions, medical discoveries, technology breakthroughs, and more. From this page, you'll see news events organized chronologically by month and separated into four categories: World News, U.S. News, Disaster News, and Science & Technology News.

We also collect a summary of each week's events, from one Friday to the next, so make sure you check back every week for fascinating updates on the world around to help keep you updated on the latest happenings from across the globe!

Check out the November News and Events Here:

Atlas Tools Menu

Encyclopedia Tools Menu

Quincy, IL Demographic Statistics

More census articles:

Trending