McDonough County, Illinois Population 2020

McDonough County, Illinois's estimated population is 29,219 with a growth rate of -1.24% in the past year according to the most recent United States census data. McDonough County, Illinois is the 48th largest county in Illinois.

Year Population Growth Growth Rate
202029,219-368-1.24%
201929,587-368-1.23%
201829,955-368-1.21%
201730,323-552-1.79%
201630,875-555-1.77%
201531,430-362-1.14%
201431,792-454-1.41%
201332,246-304-0.93%
201232,550390.12%
201132,511-117-0.36%
201032,628-2,616-7.42%
199035,244-2,223-5.93%
198037,4678142.22%
197036,6537,72526.70%
196028,9287292.59%
195028,1991,2554.66%
194026,944-385-1.41%
193027,3292550.94%
192027,0741870.70%
191026,887-1,525-5.37%
190028,4129453.44%
189027,467-503-1.80%
188027,9701,4615.51%
187026,5096,44032.09%
186020,06912,453163.51%
18507,6162,30843.48%
18405,3080.00%
2020 Growth Rate
-1.24%
County Website
Founded
1826
County Seat

McDonough County, Illinois Population Growth

Population by Race

Race Population Percentage
White27,86790.26%
Black or African American1,4584.72%
Asian6892.23%
Two or More Races6802.20%
Some Other Race1050.34%
American Indian and Alaska Native570.18%
Native Hawaiian and Other Pacific Islander190.06%

McDonough County, Illinois Population Pyramid 2020

McDonough County, Illinois Median Age

32.1


Total

30.5


Male

34.9


Female

McDonough County, Illinois Adults

There are 25,734 adults, (5,120 of whom are seniors) in McDonough County, Illinois.

McDonough County, Illinois Age Dependency

49.8

Age Dependency Ratio

24.8

Old Age Dependency Ratio

24.9

Child Dependency Ratio

McDonough County, Illinois Sex Ratio

Female

15,866

51.39%

Male

15,009

48.61%

McDonough County, Illinois Households and Families

McDonough County, Illinois Renter vs Owner Occupied by Household Type

McDonough County, Illinois Household Types

Type Owner Renter
Married87.4%12.6%
Male67.8%32.2%
All66.7%33.3%
Female52.5%47.5%
Non Family48.7%51.3%

66.7%

Rate of Home Ownership

Type Count Average Size Owned
All11,2922.4266.7
Non Family5,1721.4648.7
Married5,0533.1587.4
Female8093.5952.5
Male2583.8667.8

3.14

Average Family Size

2.42

Average Household Size

5.3%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

McDonough County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade2671.45%
9th to 12th Grade9215.01%
High School Graduate5,63930.65%
Some College3,70120.11%
Associates Degree1,90510.35%
Bachelors Degree3,02216.42%
Graduate Degree2,94616.01%

McDonough County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White17,26116,2305,454
Asian357321248
Black301288149
Multiple Races26221169
Hispanic17611844
Native American45454
Other Race16

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

The highest rate of bachelors degrees is among asian people with a rate of 69.47%.

Name Average Male Female
Overall$32,156$38,778$28,005
Less Than High School$14,155$19,006$12,159
High School Grad$22,784$27,224$19,754
Some College$28,695$32,232$25,432
Bachelors Degree$40,615$53,857$32,535
Graduate Degree$51,789$65,500$47,568

$32,156

Average Earnings

$38,778

Average Male

$28,005

Average Female

McDonough County, Illinois Language

McDonough County, Illinois Language by Age

McDonough County, Illinois Language

94.66% of McDonough County, Illinois residents speak only English, while 5.34% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.03% of the population.

McDonough County, Illinois Poverty

McDonough County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White24,9755,32321.31%
Black56430554.08%
Asian64818228.09%
Hispanic44715033.56%
Multiple605416.78%
Other502142.00%
Islander191052.63%
Native45817.78%

21.99%

Overall Poverty Rate

20.45%

Male Poverty Rate

23.45%

Female Poverty Rate

Poverty in McDonough County, Illinois

The race most likely to be in poverty in McDonough County, Illinois is Black, with 54.08% below the poverty level.

The race least likely to be in poverty in McDonough County, Illinois is Multiple, with 6.78% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.72%. Among those working part-time, it was 33.96%, and for those that did not work, the poverty rate was 33.53%.

Name Poverty
Less Than High School40.91%
High School17.30%
Some College12.92%
Bachelors or Greater5.38%
Name Poverty
Female Unemployed63.16%
Male Unemployed43.63%
Female Employed16.36%
Male Employed10.45%

McDonough County, Illinois Income

McDonough County, Illinois Income by Household Type

Name Median Mean
Households$43,724$59,429
Families$69,083$79,011
Married Families$79,110-
Non Families$25,358$34,969

McDonough County, Illinois Marital Status

McDonough County, Illinois Marital Status

Marriage Rates

40.5%

Overall Marriage Rate

42.0%

Male Marriage Rate

39.1%

Female Marriage Rate

McDonough County, Illinois Married by Age and Sex

McDonough County, Illinois 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 35-44.

McDonough County, Illinois Marital Status by Race

McDonough County, Illinois Veterans

1,907

Number of Veterans

1,795

Male Veterans

112

Female Veterans

War Veterans
Vietnam746
Second Gulf War396
First Gulf War176
Korea164
World War II69
Age Group Veterans
65 to 74561
75+450
55 to 64308
35 to 54308
18 to 34280
Name Veterans % of Total
White1,8527.94%
Black443.37%
Indian814.04%
Hispanic30.47%
Asian20.36%
2 or More10.27%

$McDonough County, Illinois Veterans by Education

4.81%

Veteran Poverty Rate

30.72%

Veteran Disability Rate

McDonough County, Illinois Employment Status

55.5%

Labor Force Participation

51.2%

Employment Rate

7.6%

Unemployment Rate

McDonough County, Illinois Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

77.07%

Born in Illinois

96.13%

Native Born

3.87%

Foreign Born

2.67%

Non Citizen

Place of Birth

96.13% of McDonough County, Illinois residents were born in the United States, with 77.07% having been born in Illinois. 2.67% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990