Monroe County, Illinois Population 2024

34,913

Monroe County, Illinois's estimated 2024 population is 34,913 with a growth rate of -0.13% in the past year according to the most recent United States census data. Monroe County, Illinois is the 40th largest county in Illinois. The 2010 population was 33,051 and has seen a growth of 5.63% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202934,693-44-0.13%
202834,737-44-0.13%
202734,781-44-0.13%
202634,825-44-0.13%
202534,869-44-0.13%
202434,913-44-0.13%
202334,957-44-0.13%
202235,001-3-0.01%
202135,004510.15%
202034,9532150.62%
201934,7382920.85%
201834,4461850.54%
201734,2612240.66%
201634,0372260.67%
201533,8112030.6%
201433,608850.25%
201333,5232030.61%
201233,320470.14%
201133,2732220.67%
201033,05100%
199022,4222,30511.46%
198020,1171,2866.83%
197018,8313,32421.44%
196015,5072,22516.75%
195013,2825284.14%
194012,7543853.11%
193012,369-470-3.66%
192012,839-669-4.95%
191013,508-339-2.45%
190013,8478996.94%
189012,948-734-5.36%
188013,6827005.39%
187012,9821501.17%
186012,8325,15367.11%
18507,6793,19871.37%
18404,4812,481124.05%
18302,00046330.12%
18201,537-33,156-95.57%
showing: 38 rows
2024 Growth Rate
-0.13% (-44)
County Website
Monroe County
County Seat
2020 Population
34,953
Area
385 mi²
Density
91 people/mi²
Growth Since 2020
-0.11% (-40)
Founded
1816

Monroe County, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White33,70696.56%
Two or more races4341.24%
Other race2910.83%
Black or African American2170.62%
Asian2140.61%
Native American430.12%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Monroe County, Illinois Population by Race

Monroe County, Illinois Population Pyramid 2024

Monroe County, Illinois Median Age

42.5

Total

41.8

Male

43.4

Female

Monroe County, Illinois Adults

There are 27,192 adults, (6,423 of whom are seniors) in Monroe County, Illinois.

Monroe County, Illinois Age Dependency

68.1

Age Dependency Ratio

30.9

Old Age Dependency Ratio

37.1

Child Dependency Ratio

Monroe County, Illinois Sex Ratio

Female17,37549.78%
Male17,53050.22%

Monroe County, Illinois Population by Age

Monroe County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All13,5652.5584.115.9
Married8,2783.06964
Non Family3,6761.1664.735.3
Female9683.156337
Male6433.1673.426.6

3.02

Average Family Size

2.55

Average Household Size

84.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Monroe County, Illinois Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade1610.65%
9th to 12th Grade9073.67%
High School Graduate6,11524.71%
Some College5,49122.19%
Associates Degree2,70210.92%
Bachelors Degree5,92123.93%
Graduate Degree3,44913.94%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Monroe County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White23,84922,8489,062
Hispanic41138968
2+ Races23523535
Other Race20016144
Asian178178153
Black653733
Native American880

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 asian people with a rate of 85.96%.

Monroe County, Illinois Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$59,580$68,310$53,113
Less Than 9th Grade$0$0$0
High School Graduate$43,318$53,269$38,397
Some College$49,427$58,631$43,764
Bachelors Degree$69,155$78,306$58,531
Graduate Degree$89,097$111,641$77,835

$59,580

Average Earnings

$68,310

Average Male

$53,113

Average Female

Monroe County, Illinois Earnings by Educational Attainment

Monroe County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Monroe County, Illinois Language

97.84% of Monroe County, Illinois residents speak only English, while 2.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.2% of the population.

Monroe County, Illinois Language

Monroe County, Illinois Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White33,0561,1383.44%
Black19215480.21%
Hispanic57715026%
Multiple421255.94%
Asian214146.54%

4.29%

Overall Poverty Rate

3.55%

Male Poverty Rate

5.04%

Female Poverty Rate

Poverty in Monroe County, Illinois

The race most likely to be in poverty in Monroe County, Illinois is Black, with 80.21% below the poverty level.

The race least likely to be in poverty in Monroe County, Illinois is White, with 3.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.2%. Among those working part-time, it was 4.79%, and for those that did not work, the poverty rate was 10.24%.

Monroe County, Illinois Poverty

rate

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Rate
Poverty
Less Than 9th Grade12.63%
High School5.56%
Some College5.1%
Bachelors or Greater1.07%

Monroe County, Illinois Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed23.32%
Female Employed2.19%
Male Employed0.19%
Female Unemployed0%

Monroe County, Illinois Poverty Rate by Employment Status and Sex

Monroe County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$100,685$119,329
Families$123,603$141,511
Married Families$133,160$-999,999,999
Non Families$46,586$55,171

mean

median

Income by Household Type

Monroe County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

59.3%

Overall Marriage Rate

59.1%

Male Marriage Rate

59.5%

Female Marriage Rate

Monroe County, Illinois Married by Age and Sex

male

female

Monroe County, Illinois Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

Monroe County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Monroe County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,363

Number of Veterans

2,170

Male Veterans

193

Female Veterans

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War
Veterans
Vietnam790
First Gulf War668
Second Gulf War401
Korea200
World War II53

Monroe County, Illinois Veterans by War

count

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Age Group
Veterans
75+624
65 to 74589
35 to 54570
55 to 64469
18 to 34111

Monroe County, Illinois Veterans by Age

count

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Name
Veterans
% of Total
White2,3288.82%
2+ Races218.68%
Hispanic143.35%
Other Race115.5%
Black32.54%

Monroe County, Illinois Veterans by Race

Monroe County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

2.69%

Veteran Poverty Rate

24.19%

Veteran Disability Rate

Monroe County, Illinois Veterans by Education

LaborForceParticipation

68.2%

Labor Force Participation

66.8%

Employment Rate

1.7%

Unemployment Rate

Monroe County, Illinois Employment by Age

LaborForceParticipation

Monroe County, Illinois Employment by Race

LaborForceParticipation

Monroe 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

54.77%

Born in Monroe County, Illinois

98.84%

Native Born

1.16%

Foreign Born

0.16%

Non Citizen

1%

Naturalized

Place of Birth

98.84% of Monroe County, Illinois residents were born in the United States, with 54.77% having been born in Illinois. 0.16% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Monroe County, Illinois Place of Birth

Sources