Dupo

Population: 3,914
Median household income: $57,899
Median home value: $109,000

Located in St. Clair County, Illinois, Dupo is a community with a population of 3,914. At $57,899, its median household income sits below St. Clair County's $70,178.

Between 2019 and 2023, Dupo's population held roughly steady from 3,938 to 3,914, while its median home value rose 36.8% from $79,700 to $109,000.

18.9% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 59.6% of the area's occupied homes.

Demographics

ACS 2019–2023

Population: 3,914
Median age: 43.1 yrs
Median household income: $57,899
Median home value: $109,000
Median gross rent: $932
Housing units: 1,629
Homeownership rate: 59.6%
Bachelor's degree or higher: 18.9%
Unemployment rate: 5.6%

Trends

ACS 5-year · 2019–2023

Population

3,9383,914

Median household income

$40,308$57,899

Median home value

$79,700$109,000

Median gross rent

$863$932

Year	Population	Median household income	Median home value	Median gross rent
2019	3,938	$40,308	$79,700	$863
2020	3,917	$40,049	$78,700	$869
2021	4,001	$47,357	$87,500	$866
2022	3,960	$61,736	$89,900	$921
2023	3,914	$57,899	$109,000	$932

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.9%

5 to 1713.8%

18 to 2411.8%

25 to 3415.4%

35 to 4411.1%

45 to 5414.1%

55 to 6416.4%

65 to 749.9%

75 and over2.7%

	Count	Share
Under 5	191	4.9%
5 to 17	539	13.8%
18 to 24	461	11.8%
25 to 34	601	15.4%
35 to 44	435	11.1%
45 to 54	551	14.1%
55 to 64	643	16.4%
65 to 74	389	9.9%
75 and over	104	2.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	3,349	85.6%
Black or African American	260	6.6%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	248	6.3%
Hispanic or Latino (any race)	57	1.5%

Educational attainment (age 25+)

No high school diploma8.1%

High school graduate44.7%

Some college or associate's28.3%

Bachelor's degree14.4%

Graduate or professional degree4.5%

	Count	Share
No high school diploma	220	8.1%
High school graduate	1,217	44.7%
Some college or associate's	771	28.3%
Bachelor's degree	392	14.4%
Graduate or professional degree	123	4.5%

Commute to work

Mean travel time to work: 25 min

Drove alone84.2%

Carpooled8.5%

Public transit0.0%

Walked0.0%

Bicycle0.0%

Worked from home5.7%

Other means1.6%

How workers get to work

	Count	Share
Drove alone	1,620	84.2%
Carpooled	163	8.5%
Public transit	0	0.0%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	109	5.7%
Other means	31	1.6%

Travel time

	Count	Share
Under 15 min	280	15.4%
15 to 29 min	918	50.6%
30 to 44 min	424	23.4%
45 to 59 min	95	5.2%
60+ min	97	5.3%

Households

Average household size: 2.48
Poverty rate: 9.9% (388 of 3,914)

	Count	Share
Family households	1,011	64.1%
Nonfamily households	566	35.9%

Housing

Median year structure built: 1968

Occupancy

	Count	Share
Occupied	1,577	96.8%
Vacant	52	3.2%

Tenure (of occupied units)

	Count	Share
Owner-occupied	940	59.6%
Renter-occupied	637	40.4%

1-unit, detached68.0%

1-unit, attached4.4%

2 to 4 units5.0%

5 to 19 units12.2%

20 or more units0.0%

Mobile home & other10.5%

Units in structure

	Count	Share
1-unit, detached	1,107	68.0%
1-unit, attached	71	4.4%
2 to 4 units	81	5.0%
5 to 19 units	199	12.2%
20 or more units	0	0.0%
Mobile home & other	171	10.5%

Geography

Place GEOID: 1721254
Type (LSAD): 47
Land area: 6.4 sq mi
Water area: 0.02 sq mi
Center point: 38.5161, -90.2176