Dupo, Illinois Population 2021

3,789
map placeholder

Dupo is a city located in St. Clair County Illinois. With a 2020 population of 3,789, it is the 378th largest city in Illinois and the 5555th largest city in the United States . Dupo is currently declining at a rate of -1.15% annually and its population has decreased by -8.43% since the most recent census, which recorded a population of 4,138 in 2010. Dupo reached it's highest population of 4,176 in 2010. Spanning over 6 miles, Dupo has a population density of 594 people per square mile.

The average household income in Dupo is $56,926 with a poverty rate of 20.19%. The median rental costs in recent years comes to $863 per month, and the median house value is $79,700. The median age in Dupo is 40.1 years, 37.3 years for males, and 44.3 years for females.

Dupo Demographics

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

  • White: 94.29%
  • Black or African American: 5.10%
  • Native American: 0.61%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
  • Two or more races: 0.00%
The current population of Dupo, Illinois is 3,789 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 3,921.The last official US Census in 2010 recorded the population at 4,138.

Dupo, Illinois Population 2021

Population by Race

Race Population Percentage
White3,71394.29%
Black or African American2015.10%
American Indian and Alaska Native240.61%
Loading...

Dupo Population by Race

Dupo Population Pyramid $2021

Loading...

Dupo Median Age

40.1


Total

37.3


Male

44.3


Female

Dupo Adults

There are 3,039 adults, (716 of whom are seniors) in Dupo.

Dupo Age Dependency

69.5

Age Dependency Ratio

30.8

Old Age Dependency Ratio

38.7

Child Dependency Ratio

Dupo Sex Ratio

Female

2,257

57.31%

Male

1,681

42.69%

Dupo Population by Age

Dupo Renter vs Owner Occupied by Household Type

Loading...

Dupo Household Types

Type Owner Renter
Married100%0%
Male68.5%31.5%
All68%32%
Non Family59.5%40.5%
Female51.6%48.4%

68.0%

Rate of Home Ownership

Dupo Households and Families

Type Count Average Size Owned
All1,7392.2668
Non Family8561.2459.5
Married4303100
Female3993.5151.6
Male543.3968.5

2.96

Average Family Size

2.26

Average Household Size

Loading...

Dupo Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade160.59%
9th to 12th Grade2368.70%
High School Graduate1,28047.16%
Some College48217.76%
Associates Degree34512.71%
Bachelors Degree28310.43%
Graduate Degree722.65%
Loading...

Dupo Educational Attainment by Sex (over 25)

Dupo Educational Attainment by Race

Loading...
Race Total High School Bachelors
White2,5342,282355
Black9797
Hispanic8383
Native American2424

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 14.01%.

Dupo Educational Attainment by Race

Loading...
Name Average Male Female
Overall$29,850$35,809$27,534
Less Than 9th Grade$$$
High School Graduate$28,603$29,154$24,107
Some College$28,319$53,516$24,782
Bachelors Degree$32,206$$29,688
Graduate Degree$76,250$$68,676

$29,850

Average Earnings

$35,809

Average Male

$27,534

Average Female

Dupo Earnings by Educational Attainment

Dupo Language by Age

Loading...

Dupo Language

98.29% of Dupo residents speak only English, while 1.71% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.71% of the population.

Dupo Language

Dupo Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
White3,60471719.89%
Hispanic1337858.65%

20.19%

Overall Poverty Rate

16.54%

Male Poverty Rate

22.91%

Female Poverty Rate

Poverty in Dupo

The race most likely to be in poverty in Dupo is Hispanic, with 58.65% below the poverty level.

The race least likely to be in poverty in Dupo is White, with 19.89% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.79%. Among those working part-time, it was 29.85%, and for those that did not work, the poverty rate was 19.65%.

Dupo Poverty

Loading...
Name Poverty
Bachelors or Greater19.72%
High School17.66%
Some College15.84%
Less Than 9th Grade6.35%

Dupo Poverty Rate by Education

Loading...
Rate Poverty
Female Unemployed46.15%
Female Employed15.79%
Male Employed7.71%
Male Unemployed0.00%

Dupo Poverty Rate by Employment Status and Sex

Dupo Income by Household Type

Loading...
Name Median Mean
Households$40,308$56,926
Families$48,164$64,769
Married Families$88,382-
Non Families$28,897$41,996
Loading...

Income by Household Type

Dupo Marital Status

Loading...

Marriage Rates

29.4%

Overall Marriage Rate

35.2%

Male Marriage Rate

25.5%

Female Marriage Rate

Dupo Married by Age and Sex

Loading...

Dupo Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is Over 65.

Dupo Marital Status by Race

Loading...

Dupo Marital Status

Loading...

260

Number of Veterans

227

Male Veterans

33

Female Veterans

War Veterans
Vietnam133
First Gulf War18
Second Gulf War18
World War II
Korea

Dupo Veterans by War

Loading...
Age Group Veterans
65 to 7487
35 to 5477
75+44
55 to 6434
18 to 3418

Dupo Veterans by Age

Loading...
Name Veterans % of Total
White2368.33%
Hispanic2428.92%
Native American24100.00%

Dupo Veterans by Race

Dupo Veterans by Education

Loading...

12.31%

Veteran Poverty Rate

13.85%

Veteran Disability Rate

Dupo Veterans by Education

Loading...

66.4%

Labor Force Participation

61.4%

Employment Rate

7.6%

Unemployment Rate

Dupo Employment by Age

Loading...

Dupo Employment by Race

Loading...

Dupo Employment by Education

Origin of Non-Citizens

Loading...

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

Origin of Naturalized Citizens

Loading...

62.24%

Born in Dupo

98.55%

Native Born

1.45%

Foreign Born

1.45%

Non Citizen

0.00%

Naturalized

Place of Birth

98.55% of Dupo residents were born in the United States, with 62.24% having been born in Illinois. 1.45% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.

Dupo Place of Birth

Year Population Growth Annual Growth Rate
20213,789-44-1.15%
20203,833-44-1.13%
20193,877-44-1.12%
20183,921-31-0.78%
20173,952-18-0.45%
20163,970-25-0.63%
20153,995-35-0.87%
20144,030-33-0.81%
20134,063-46-1.12%
20124,109-36-0.87%
20114,145-31-0.74%
20104,1762430.60%
20003,9337692.20%
19903,1641250.40%
19803,0391970.67%
19702,842-95-0.33%
19602,9370.00%

Dupo Population by Year