Montgomery County, Illinois Population 2024

27,425

Montgomery County, Illinois's estimated 2024 population is 27,425 with a growth rate of -0.86% in the past year according to the most recent United States census data. Montgomery County, Illinois is the 49th largest county in Illinois. The 2010 population was 30,095 and has seen a growth of -8.87% since that time.

Note: data after 2022 is projected based on recent change

37 Rows

Year
Population
Growth
Change
202926,235-238-0.9%
202826,473-238-0.89%
202726,711-238-0.88%
202626,949-238-0.88%
202527,187-238-0.87%
202427,425-238-0.86%
202327,663-238-0.85%
202227,901-181-0.64%
202128,082-120-0.43%
202028,202-199-0.7%
201928,401-304-1.06%
201828,705-76-0.26%
201728,781-276-0.95%
201629,057-139-0.48%
201529,196-254-0.86%
201429,450830.28%
201329,367-253-0.85%
201229,620-246-0.82%
201129,866-229-0.76%
201030,09500%
199030,728-958-3.02%
198031,6861,4264.71%
197030,260-984-3.15%
196031,244-1,216-3.75%
195032,460-2,039-5.91%
194034,499-779-2.21%
193035,278-6,125-14.79%
192041,4036,09217.25%
191035,3114,47514.51%
190030,8368332.78%
189030,0031,9256.86%
188028,0782,76410.92%
187025,31411,33581.09%
186013,9797,702122.7%
18506,2771,78739.8%
18404,4901,53752.05%
18302,953-23,282-88.74%
2024 Growth Rate
-0.86% (-238)
County Website
Montgomery County
County Seat
Hillsboro
2020 Population
28,202
Area
704 mi²
Density
39 people/mi²
Growth Since 2020
-2.76% (-777)
Founded
1821

Population by Race

Race
Population
Percentage (of total)
White26,52793.56%
Black or African American7802.75%
Two or more races7282.57%
Other race1490.53%
Asian1320.47%
Native American360.13%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Montgomery County, Illinois Population by Race

Montgomery County, Illinois Population Pyramid 2024

Montgomery County, Illinois Median Age

42.7

Total

40.5

Male

46

Female

Montgomery County, Illinois Adults

There are 22,687 adults, (5,927 of whom are seniors) in Montgomery County, Illinois.

Montgomery County, Illinois Age Dependency

69.2

Age Dependency Ratio

35.4

Old Age Dependency Ratio

33.8

Child Dependency Ratio

Montgomery County, Illinois Sex Ratio

Female13,34647.07%
Male15,00652.93%

Montgomery County, Illinois Population by Age

Montgomery County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All11,2592.3275.424.6
Married5,4153.0188.611.4
Non Family4,4011.1961.838.2
Female8273.0668.931.1
Male6163.2566.233.8

2.96

Average Family Size

2.32

Average Household Size

75.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Montgomery County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,5917.73%
Associates Degree1,6337.93%
Bachelors Degree2,38911.6%
Graduate Degree1,3566.59%
High School Graduate8,80542.77%
Less Than 9th Grade5252.55%
Some College4,28920.83%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Montgomery County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White19,04817,2423,559
Black6654700
2+ Races51141591
Hispanic34429929
Asian757556
Other Race65553
Native American363510

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

The highest rate of bachelors degrees is among asian people with a rate of 74.67%.

Montgomery County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$49,091$62,762$41,540
Graduate Degree$64,318$67,981$62,210
High School Graduate$37,429$44,979$26,744
Less Than 9th Grade$36,534$36,211$37,396
Overall$42,080$48,228$35,234
Some College$38,674$51,541$30,479

$42,080

Average Earnings

$48,228

Average Male

$35,234

Average Female

Montgomery County, Illinois Earnings by Educational Attainment

Montgomery County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Montgomery County, Illinois Language

97.73% of Montgomery County, Illinois residents speak only English, while 2.27% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.17% of the population.

Montgomery County, Illinois Language

Montgomery County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White24,7983,32113.39%
Multiple61719531.6%
Hispanic3308926.97%
Black1183327.97%
Asian1322015.15%
Other7045.71%

13.98%

Overall Poverty Rate

13.79%

Male Poverty Rate

14.16%

Female Poverty Rate

Poverty in Montgomery County, Illinois

The race most likely to be in poverty in Montgomery County, Illinois is Multiple, with 31.6% below the poverty level.

The race least likely to be in poverty in Montgomery County, Illinois is Other, with 5.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.37%. Among those working part-time, it was 20.28%, and for those that did not work, the poverty rate was 20.09%.

Montgomery County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade32.89%
High School12.84%
Some College10.02%
Bachelors or Greater6.53%

Montgomery County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed41.42%
Male Employed8.26%
Male Unemployed8.2%
Female Employed5.38%

Montgomery County, Illinois Poverty Rate by Employment Status and Sex

Montgomery County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$81,784$95,711
Households$61,796$76,744
Married Families$91,276$-999,999,999
Non Families$28,044$42,769

mean

median

Income by Household Type

Montgomery County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.6%

Overall Marriage Rate

46.2%

Male Marriage Rate

51.3%

Female Marriage Rate

Montgomery County, Illinois Married by Age and Sex

male

female

Montgomery County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Montgomery County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Montgomery County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,990

Number of Veterans

1,813

Male Veterans

177

Female Veterans

War
Veterans
Vietnam707
First Gulf War426
Second Gulf War255
Korea139
World War II29

Montgomery County, Illinois Veterans by War

count

Age Group
Veterans
35 to 54622
65 to 74532
75+512
55 to 64286
18 to 3438

Montgomery County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White1,9250.09103807046583116
Hispanic740.18592964824120603
Black450.06114130434782609
2+ Races190.03612167300380228
Native American10.027777777777777776

Montgomery County, Illinois Veterans by Race

Montgomery County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.36%

Veteran Poverty Rate

31.61%

Veteran Disability Rate

Montgomery County, Illinois Veterans by Education

LaborForceParticipation

52.3%

Labor Force Participation

49.3%

Employment Rate

5.6%

Unemployment Rate

Montgomery County, Illinois Employment by Age

LaborForceParticipation

Montgomery County, Illinois Employment by Race

LaborForceParticipation

Montgomery 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

82.62%

Born in Montgomery County, Illinois

98.88%

Native Born

1.12%

Foreign Born

0.42%

Non Citizen

0.7%

Naturalized

Place of Birth

98.88% of Montgomery County, Illinois residents were born in the United States, with 82.62% having been born in Illinois. 0.42% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Montgomery County, Illinois Place of Birth

Sources