US Census Data

Douglas County, Illinois

8 cities & places have their primary county here.

Population
19,686
+0.3%’19–’23
Median household income
$74,186
+30.8%’19–’23
Median home value
$142,600
+28.0%’19–’23

Home to 19,686 residents, Douglas County is one of Illinois's counties. 8 cities and places have their primary county here. The median household income of $74,186 is below the Illinois median ($81,702).

From 2019 to 2023, Douglas County's population held roughly steady from 19,623 to 19,686, while its median household income rose 30.8% from $56,714 to $74,186.

White (non-Hispanic) residents are the largest group, 87.9% of the population. 74.2% of workers drive to work alone.

Demographics

ACS 2019–2023
Population
19,686
Median age
38.9 yrs
Median household income
$74,186
Median home value
$142,600
Median gross rent
$818
Housing units
8,492
Homeownership rate
79.1%
Bachelor's degree or higher
20.2%
Unemployment rate
3.1%

Trends

ACS 5-year · 2019–2023
Population
19,62319,686
Median household income
$56,714$74,186
Median home value
$111,400$142,600
Median gross rent
$724$818
YearPopulationMedian household incomeMedian home valueMedian gross rent
201919,623$56,714$111,400$724
202019,551$59,620$120,500$734
202119,708$63,142$119,800$718
202219,714$67,177$137,100$748
202319,686$74,186$142,600$818

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

Age distribution

CountShare
Under 51,3136.7%
5 to 173,52317.9%
18 to 241,5868.1%
25 to 342,44412.4%
35 to 442,46012.5%
45 to 542,17511.0%
55 to 642,54212.9%
65 to 742,09410.6%
75 and over1,5497.9%

Race & ethnicity

CountShare
White (non-Hispanic)17,31387.9%
Black or African American2401.2%
American Indian & Alaska Native290.1%
Asian890.5%
Native Hawaiian & Pacific Islander00.0%
Some other race610.3%
Two or more races3511.8%
Hispanic or Latino (any race)1,6038.1%

Educational attainment (age 25+)

CountShare
No high school diploma1,84813.9%
High school graduate4,37733.0%
Some college or associate's4,36032.9%
Bachelor's degree1,84713.9%
Graduate or professional degree8326.3%

Commute to work

Mean travel time to work
21 min

How workers get to work

CountShare
Drove alone7,03674.2%
Carpooled96210.1%
Public transit00.0%
Walked4004.2%
Bicycle4194.4%
Worked from home4484.7%
Other means2142.3%

Travel time

CountShare
Under 15 min4,02644.6%
15 to 29 min1,97521.9%
30 to 44 min2,01922.4%
45 to 59 min6687.4%
60+ min3433.8%

Households

Average household size
2.49
Poverty rate
8.9% (1,718 of 19,342)
CountShare
Family households5,43969.5%
Nonfamily households2,38230.5%

Housing

Median year structure built
1968

Occupancy

CountShare
Occupied7,82192.1%
Vacant6717.9%

Tenure (of occupied units)

CountShare
Owner-occupied6,18679.1%
Renter-occupied1,63520.9%

Units in structure

CountShare
1-unit, detached7,30786.0%
1-unit, attached2042.4%
2 to 4 units2763.3%
5 to 19 units2182.6%
20 or more units1501.8%
Mobile home & other3374.0%

Geography

County GEOID
17041
State
Illinois
Land area
417 sq mi
Water area
0.56 sq mi
Center point
39.7661, -88.2229

Cities & places

8

Compare with nearby counties

5

Illinois rankings

21

Other counties in Illinois

101