Quincy township, Illinois Population 2024

38,766

Quincy township Demographics

According to the most recent ACS, the racial composition of Quincy township was:

  • White: 87.22%
  • Two or more races: 5.81%
  • Black or African American: 5.22%
  • Asian: 1.03%
  • Other race: 0.67%
  • Native American: 0.04%
  • Native Hawaiian or Pacific Islander: 0.01%
Land Area (mi²)
15.8 sq mi
Density (mi²)
2,458.70/sq mi
Growth Since 2020
-1.63% (-644)
The current population of Quincy township, Illinois is 38,766 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 39,410.

Population by Race

Race
Population
Percentage (of total)
White34,18187.22%
Two or more races2,2785.81%
Black or African American2,0455.22%
Asian4041.03%
Other race2640.67%
Native American140.04%
Native Hawaiian or Pacific Islander20.01%

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Quincy township Population by Race

Quincy township Population Pyramid 2024

Quincy township Median Age

40.1

Total

38.5

Male

41.3

Female

Quincy township Adults

There are 30,719 adults, (7,828 of whom are seniors) in Quincy township.

Quincy township Age Dependency

71.2

Age Dependency Ratio

34.2

Old Age Dependency Ratio

37

Child Dependency Ratio

Quincy township Sex Ratio

Female20,33951.9%
Male18,84948.1%

Quincy township Population by Age

Quincy township Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All17,4512.1664.835.2
Non Family8,3231.1750.849.2
Married6,3413.0888.211.8
Female1,9163.1254.645.4
Male8712.8250.349.7

2.99

Average Family Size

2.16

Average Household Size

64.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Quincy township Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,5615.73%
Associates Degree2,5239.26%
Bachelors Degree4,73717.39%
Graduate Degree2,5039.19%
High School Graduate9,26934.04%
Less Than 9th Grade5462%
Some College6,09422.38%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Quincy township Educational Attainment by Sex (over 25)

Quincy township Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White24,48522,7916,718
Black1,3111,209118
2+ Races858658223
Hispanic501422166
Asian250205100
Other Race16911845
Native American1480
Islander220

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 40%.

Quincy township Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$54,511$59,969$49,963
Graduate Degree$70,147$85,139$57,835
High School Graduate$38,451$44,816$33,129
Less Than 9th Grade$34,619$44,938$33,179
Overall$43,931$49,365$36,964
Some College$39,605$47,559$32,243

$43,931

Average Earnings

$49,365

Average Male

$36,964

Average Female

Quincy township Earnings by Educational Attainment

Quincy township Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Quincy township Language

96.67% of Quincy township residents speak only English, while 3.33% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.58% of the population.

Quincy township Language

Quincy township Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White32,8164,51313.75%
Black1,85159231.98%
Multiple2,25944719.79%
Hispanic85633439.02%
Other2323715.95%
Asian340175%
Islander22100%

15.43%

Overall Poverty Rate

13.77%

Male Poverty Rate

16.96%

Female Poverty Rate

Poverty in Quincy township

The race most likely to be in poverty in Quincy township is Islander, with 100% below the poverty level.

The race least likely to be in poverty in Quincy township is Asian, with 5% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.46%. Among those working part-time, it was 16.75%, and for those that did not work, the poverty rate was 29.9%.

Quincy township Poverty

rate

Rate
Poverty
Less Than 9th Grade31.09%
High School18.07%
Some College11.74%
Bachelors or Greater5.41%

Quincy township Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed39.89%
Male Unemployed37.08%
Female Employed7.74%
Male Employed5.17%

Quincy township Poverty Rate by Employment Status and Sex

Quincy township Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$80,172$98,732
Households$56,372$76,426
Married Families$96,884$-999,999,999
Non Families$39,835$50,175

mean

median

Income by Household Type

Quincy township Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

43.1%

Overall Marriage Rate

45.6%

Male Marriage Rate

40.7%

Female Marriage Rate

Quincy township Married by Age and Sex

male

female

Quincy township Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Quincy township Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Quincy township Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,501

Number of Veterans

2,239

Male Veterans

262

Female Veterans

War
Veterans
Vietnam711
Second Gulf War580
First Gulf War554
Korea326
World War II73

Quincy township Veterans by War

count

Age Group
Veterans
75+894
35 to 54611
65 to 74475
55 to 64278
18 to 34243

Quincy township Veterans by Age

count

Name
Veterans
% of Total
White2,2868.33%
Black1147.29%
2+ Races575.08%
Other Race4419.56%
Hispanic396.36%

Quincy township Veterans by Race

Quincy township Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.65%

Veteran Poverty Rate

36.34%

Veteran Disability Rate

Quincy township Veterans by Education

LaborForceParticipation

64.1%

Labor Force Participation

61.4%

Employment Rate

4.2%

Unemployment Rate

Quincy township Employment by Age

LaborForceParticipation

Quincy township Employment by Race

LaborForceParticipation

Quincy township Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

74.27%

Born in Quincy township

98%

Native Born

2%

Foreign Born

0.66%

Non Citizen

1.34%

Naturalized

Place of Birth

98% of Quincy township residents were born in the United States, with 74.27% having been born in Illinois. 0.66% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Quincy township Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202938,581-37-0.1%
202838,618-37-0.1%
202738,655-37-0.1%
202638,692-37-0.1%
202538,729-37-0.1%
202438,766-37-0.1%
202338,803-37-0.1%
202238,840-268-0.69%
202139,108-302-0.77%
202039,410-526-1.32%
201939,936-107-0.27%
201840,043-247-0.61%
201740,290-218-0.54%
201640,508-199-0.49%
201540,707-51-0.13%
201440,758-23-0.06%
201340,781-62-0.15%
201240,843-61-0.15%
201140,9041340.33%
201040,77000%

Quincy township Population by Year