McDonough County, Illinois Population 2024

26,764

McDonough County, Illinois's estimated 2024 population is 26,764 with a growth rate of -0.28% in the past year according to the most recent United States census data. McDonough County, Illinois is the 50th largest county in Illinois. The 2010 population was 32,631 and has seen a growth of -17.98% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202926,389-75-0.28%
202826,464-75-0.28%
202726,539-75-0.28%
202626,614-75-0.28%
202526,689-75-0.28%
202426,764-75-0.28%
202326,839-75-0.28%
202226,914340.13%
202126,880-220-0.81%
202027,100-2,692-9.04%
201929,792-299-0.99%
201830,091-328-1.08%
201730,419-519-1.68%
201630,938-523-1.66%
201531,461-350-1.1%
201431,811-453-1.4%
201332,264-303-0.93%
201232,567400.12%
201132,527-104-0.32%
201032,63100%
199035,244-2,223-5.93%
198037,4678142.22%
197036,6537,72526.7%
196028,9287292.59%
195028,1991,2554.66%
194026,944-385-1.41%
193027,3292550.94%
192027,0741870.7%
191026,887-1,525-5.37%
190028,4129453.44%
189027,467-503-1.8%
188027,9701,4615.51%
187026,5096,44032.09%
186020,06912,453163.51%
18507,6162,30843.48%
18405,308-21,081-79.89%
2024 Growth Rate
-0.28% (-75)
County Seat
Macomb
2020 Population
27,100
Area
589 mi²
Density
45 people/mi²
Growth Since 2020
-1.24% (-336)
Founded
1826

Population by Race

Race
Population
Percentage (of total)
White24,12488.14%
Black or African American1,4635.35%
Two or more races9053.31%
Asian6852.5%
Other race1820.66%
Native Hawaiian or Pacific Islander70.03%
Native American40.01%

White

Black or African American

Two or more races

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

McDonough County, Illinois Population by Race

McDonough County, Illinois Population Pyramid 2024

McDonough County, Illinois Median Age

34.9

Total

33.2

Male

36.4

Female

McDonough County, Illinois Adults

There are 22,559 adults, (5,144 of whom are seniors) in McDonough County, Illinois.

McDonough County, Illinois Age Dependency

57.2

Age Dependency Ratio

29.5

Old Age Dependency Ratio

27.6

Child Dependency Ratio

McDonough County, Illinois Sex Ratio

Female14,03451.28%
Male13,33648.72%

McDonough County, Illinois Population by Age

McDonough County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All11,6002.1361.338.7
Non Family5,8631.234456
Married4,2862.9889.210.8
Female1,1013.1743.956.1
Male3503.3162.937.1

2.93

Average Family Size

2.13

Average Household Size

61.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

McDonough County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade6323.78%
Associates Degree1,72710.33%
Bachelors Degree2,67816.02%
Graduate Degree2,53415.16%
High School Graduate5,63433.7%
Less Than 9th Grade3011.8%
Some College3,21019.2%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

McDonough County, Illinois Educational Attainment by Sex (over 25)

McDonough County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White15,28014,4204,528
Asian503479390
Black408387199
2+ Races38237280
Hispanic18015524
Other Race90723
Native American222

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

The highest rate of bachelors degrees is among native american people with a rate of 100%.

McDonough County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$49,824$60,345$42,104
Graduate Degree$59,792$75,990$55,903
High School Graduate$27,419$35,461$22,699
Less Than 9th Grade$34,375$46,042$17,583
Overall$40,145$46,354$33,175
Some College$33,808$45,516$30,533

$40,145

Average Earnings

$46,354

Average Male

$33,175

Average Female

McDonough County, Illinois Earnings by Educational Attainment

McDonough County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

McDonough County, Illinois Language

96.06% of McDonough County, Illinois residents speak only English, while 3.94% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.65% of the population.

McDonough County, Illinois Language

McDonough County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White22,0914,32019.56%
Hispanic63222635.76%
Black71719026.5%
Other18214479.12%
Multiple761668.67%
Asian662629.37%

19.79%

Overall Poverty Rate

17.13%

Male Poverty Rate

22.39%

Female Poverty Rate

Poverty in McDonough County, Illinois

The race most likely to be in poverty in McDonough County, Illinois is Other, with 79.12% below the poverty level.

The race least likely to be in poverty in McDonough County, Illinois is Multiple, with 8.67% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.14%. Among those working part-time, it was 35.49%, and for those that did not work, the poverty rate was 27.08%.

McDonough County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade37.83%
Some College16.7%
High School14.05%
Bachelors or Greater5.77%

McDonough County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed71.29%
Male Unemployed47.66%
Female Employed16.86%
Male Employed11.09%

McDonough County, Illinois Poverty Rate by Employment Status and Sex

McDonough County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$76,161$92,621
Households$48,904$67,033
Married Families$88,824$-999,999,999
Non Families$26,587$40,111

mean

median

Income by Household Type

McDonough County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

39.4%

Overall Marriage Rate

43.1%

Male Marriage Rate

35.9%

Female Marriage Rate

McDonough County, Illinois Married by Age and Sex

male

female

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 45-54.

McDonough County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

McDonough County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,482

Number of Veterans

1,335

Male Veterans

147

Female Veterans

War
Veterans
Vietnam454
Second Gulf War370
First Gulf War268
Korea138
World War II7

McDonough County, Illinois Veterans by War

count

Age Group
Veterans
75+396
65 to 74341
35 to 54317
55 to 64224
18 to 34204

McDonough County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White1,3406.69%
Black776.48%
2+ Races488.38%
Hispanic193.15%
Asian81.43%
Islander7100%
Other Race21.1%

McDonough County, Illinois Veterans by Race

McDonough County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.03%

Veteran Poverty Rate

30.85%

Veteran Disability Rate

McDonough County, Illinois Veterans by Education

LaborForceParticipation

60.5%

Labor Force Participation

55.6%

Employment Rate

8%

Unemployment Rate

McDonough County, Illinois Employment by Age

LaborForceParticipation

McDonough County, Illinois Employment by Race

LaborForceParticipation

McDonough County, Illinois 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

75.48%

Born in McDonough County, Illinois

96.96%

Native Born

3.04%

Foreign Born

0.99%

Non Citizen

2.05%

Naturalized

Place of Birth

96.96% of McDonough County, Illinois residents were born in the United States, with 75.48% having been born in Illinois. 0.99% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

McDonough County, Illinois Place of Birth

Sources