Montgomery, Illinois Population 2021

19,464
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Montgomery is a city located in Kendall County Illinois. With a 2020 population of 19,464, it is the 126th largest city in Illinois and the 1902nd largest city in the United States . Montgomery is currently declining at a rate of -0.44% annually but its population has increased by 5.56% since the most recent census, which recorded a population of 18,438 in 2010. Montgomery reached it's highest population of 19,725 in 2018. Spanning over 10 miles, Montgomery has a population density of 2,102 people per square mile.

The average household income in Montgomery is $103,253 with a poverty rate of 4.25%. The median rental costs in recent years comes to $1,177 per month, and the median house value is $221,500. The median age in Montgomery is 31.5 years, 28.7 years for males, and 33.5 years for females.

Montgomery Demographics

According to the most recent ACS, the racial composition of Montgomery was:

  • White: 78.91%
  • Other race: 7.70%
  • Black or African American: 6.87%
  • Two or more races: 4.28%
  • Asian: 1.48%
  • Native American: 0.65%
  • Native Hawaiian or Pacific Islander: 0.10%
The current population of Montgomery, Illinois is 19,464 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 19,725.The last official US Census in 2010 recorded the population at 18,438.

Montgomery, Illinois Population 2021

Population by Race

Race Population Percentage
White15,16178.91%
Some Other Race1,4807.70%
Black or African American1,3206.87%
Two or More Races8234.28%
Asian2851.48%
American Indian and Alaska Native1250.65%
Native Hawaiian and Other Pacific Islander190.10%
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Montgomery Population by Race

Montgomery Population Pyramid $2021

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Montgomery Median Age

31.5


Total

28.7


Male

33.5


Female

Montgomery Adults

There are 12,714 adults, (1,440 of whom are seniors) in Montgomery.

Montgomery Age Dependency

70.4

Age Dependency Ratio

12.8

Old Age Dependency Ratio

57.6

Child Dependency Ratio

Montgomery Sex Ratio

Female

9,707

50.52%

Male

9,506

49.48%

Montgomery Population by Age

Montgomery Renter vs Owner Occupied by Household Type

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Montgomery Household Types

Type Owner Renter
Married89.9%10.1%
All82.1%17.9%
Female81.7%18.3%
Non Family67.6%32.4%
Male51.8%48.2%

82.1%

Rate of Home Ownership

Montgomery Households and Families

Type Count Average Size Owned
All5,7453.3482.1
Married3,4163.9489.9
Non Family1,3561.3267.6
Female7454.0481.7
Male2284.151.8

3.9

Average Family Size

3.34

Average Household Size

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Montgomery Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3192.90%
9th to 12th Grade8227.46%
High School Graduate3,16228.71%
Some College1,92317.46%
Associates Degree8357.58%
Bachelors Degree2,41521.93%
Graduate Degree1,53713.96%
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Montgomery Educational Attainment by Sex (over 25)

Montgomery Educational Attainment by Race

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Race Total High School Bachelors
White7,1137,0213,112
Hispanic2,8291,864412
Other Race895607151
Black795711155
2+ Races26116656
Asian178178178
Native American1095239
Islander1919

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

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Montgomery Educational Attainment by Race

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Name Average Male Female
Overall$55,219$68,941$43,651
Less Than 9th Grade$35,000$36,667$32,500
High School Graduate$43,063$48,192$29,805
Some College$44,347$61,633$30,255
Bachelors Degree$66,343$78,784$59,366
Graduate Degree$85,824$90,357$65,640

$55,219

Average Earnings

$68,941

Average Male

$43,651

Average Female

Montgomery Earnings by Educational Attainment

Montgomery Language by Age

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Montgomery Language

71.25% of Montgomery residents speak only English, while 28.75% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 24.00% of the population.

Montgomery Language

Montgomery Poverty by Race

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Name Total In Poverty Poverty Rate
White11,5724724.08%
Hispanic5,8273305.66%
Black1,320130.98%

4.25%

Overall Poverty Rate

3.78%

Male Poverty Rate

4.71%

Female Poverty Rate

Poverty in Montgomery

The race most likely to be in poverty in Montgomery is Hispanic, with 5.66% below the poverty level.

The race least likely to be in poverty in Montgomery is Black, with 0.98% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.12%. Among those working part-time, it was 6.58%, and for those that did not work, the poverty rate was 13.74%.

Montgomery Poverty

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Name Poverty
Less Than 9th Grade7.71%
Some College5.40%
High School4.33%
Bachelors or Greater1.04%

Montgomery Poverty Rate by Education

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Rate Poverty
Female Unemployed35.54%
Male Unemployed15.80%
Female Employed2.10%
Male Employed1.73%

Montgomery Poverty Rate by Employment Status and Sex

Montgomery Income by Household Type

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Name Median Mean
Households$98,050$103,253
Families$113,973$114,430
Married Families$122,763-
Non Families$57,394$63,325
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Income by Household Type

Montgomery Marital Status

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Marriage Rates

52.1%

Overall Marriage Rate

52.0%

Male Marriage Rate

52.2%

Female Marriage Rate

Montgomery Married by Age and Sex

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Montgomery Marriage

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

Montgomery Marital Status by Race

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Montgomery Marital Status

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614

Number of Veterans

485

Male Veterans

129

Female Veterans

War Veterans
Second Gulf War224
Vietnam221
First Gulf War186
Korea12
World War II

Montgomery Veterans by War

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Age Group Veterans
35 to 54250
65 to 74151
18 to 34110
55 to 6455
75+48

Montgomery Veterans by Age

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Name Veterans % of Total
White5855.82%
Black293.06%
Hispanic270.76%

Montgomery Veterans by Race

Montgomery Veterans by Education

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4.72%

Veteran Poverty Rate

10.91%

Veteran Disability Rate

Montgomery Veterans by Education

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76.2%

Labor Force Participation

71.8%

Employment Rate

5.5%

Unemployment Rate

Montgomery Employment by Age

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Montgomery Employment by Race

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Montgomery Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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73.69%

Born in Montgomery

87.91%

Native Born

12.09%

Foreign Born

5.42%

Non Citizen

6.67%

Naturalized

Place of Birth

87.91% of Montgomery residents were born in the United States, with 73.69% having been born in Illinois. 5.42% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Montgomery Place of Birth

Year Population Growth Annual Growth Rate
202119,464-87-0.44%
202019,551-87-0.44%
201919,638-87-0.44%
201819,725490.25%
201719,676710.36%
201619,6051680.86%
201519,4371620.84%
201419,2751610.84%
201319,1142041.08%
201218,9102291.23%
201118,6812971.62%
201018,38412,91312.89%
20005,4711,2042.52%
19904,2678982.39%
19803,369910.27%
19703,2780.00%

Montgomery Population by Year