Montgomery, Illinois Population 2020

19,899
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Montgomery is a city located in Illinois. With a 2020 population of 19,899, it is the 124th largest city in Illinois and the 1862nd largest city in the United States. Montgomery is currently growing at a rate of 0.38% annually and its population has increased by 7.92% since the most recent census, which recorded a population of 18,438 in 2010. Spanning over 10 miles, Montgomery has a population density of 2,149 people per square mile.

The average household income in Montgomery is $95,697 with a poverty rate of 5.40%. The median rental costs in recent years comes to $1,149 per month, and the median house value is $212,800. The median age in Montgomery is 31.6 years, 30.5 years for males, and 33.2 years for females. For every 100 females there are 95.3 males.

Montgomery Demographics

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

  • White: 74.84%
  • Other race: 10.82%
  • Black or African American: 6.41%
  • Two or more races: 4.92%
  • Asian: 2.34%
  • Native American: 0.59%
  • Native Hawaiian or Pacific Islander: 0.09%
The current population of Montgomery, Illinois is 19,899, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 19,749.The last official US Census in 2010 recorded the population at 18,438.

Montgomery, Illinois Population 2020

Population by Race

Race Population Percentage
White14,38174.84%
Some Other Race2,07910.82%
Black or African American1,2316.41%
Two or More Races9454.92%
Asian4492.34%
American Indian and Alaska Native1130.59%
Native Hawaiian and Other Pacific Islander180.09%
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Montgomery Population Pyramid 2020

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Montgomery Median Age

31.6


Total

30.5


Male

33.2


Female

Montgomery Adults

There are 12,676 adults, (1,277 of whom are seniors) in Montgomery.

Montgomery Age Dependency

68.6

Age Dependency Ratio

11.2

Old Age Dependency Ratio

57.4

Child Dependency Ratio

Montgomery Sex Ratio

Female

9,841

51.21%

Male

9,375

48.79%

Montgomery Households and Families

Montgomery Renter vs Owner Occupied by Household Type

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Montgomery Household Types

Type Owner Renter
Married88.5%11.5%
Female84.5%15.5%
All81.7%18.3%
Non Family67.5%32.5%
Male39.8%60.2%

81.7%

Rate of Home Ownership

Type Count Average Size Owned
All5,9703.2281.7
Married3,5893.7788.5
Non Family1,3661.3567.5
Female8343.7484.5
Male1814.0239.8

3.71

Average Family Size

3.22

Average Household Size

5.6%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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Montgomery Education

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Education Attained Count Percentage
Less Than 9th Grade4734.18%
9th to 12th Grade9938.77%
High School Graduate2,97026.23%
Some College2,20319.45%
Associates Degree6315.57%
Bachelors Degree2,64823.38%
Graduate Degree1,40712.42%
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Montgomery Educational Attainment by Race

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Name Total High School Bachelors
White6,9886,8583,054
Hispanic3,2892,037476
Other Race1,144695126
Black663587128
Multiple Races34516763
Asian312304299
Native American994835
Islander1818

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

The highest rate of bachelors degrees is among asian people with a rate of 95.83%.

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Name Average Male Female
Overall$51,640$60,993$41,496
Less Than High School$35,185$35,817$34,188
High School Grad$32,404$45,232$29,136
Some College$42,449$60,795$31,471
Bachelors Degree$64,812$76,966$58,622
Graduate Degree$80,417$93,350$70,205

$51,640

Average Earnings

$60,993

Average Male

$41,496

Average Female

Montgomery Language

Montgomery Language by Age

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Montgomery Language

65.29% of Montgomery residents speak only English, while 34.71% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 28.18% of the population.

Montgomery Poverty

Montgomery Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic6,5835478.31%
White10,7564894.55%

5.40%

Overall Poverty Rate

4.42%

Male Poverty Rate

6.33%

Female Poverty Rate

Poverty in Montgomery

The race most likely to be in poverty in Montgomery is Hispanic, with 8.31% below the poverty level.

The race least likely to be in poverty in Montgomery is White, with 4.55% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.31%. Among those working part-time, it was 7.77%, and for those that did not work, the poverty rate was 15.87%.

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Name Poverty
Less Than High School9.82%
Some College6.56%
High School4.44%
Bachelors or Greater1.23%
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Name Poverty
Female Unemployed34.15%
Male Unemployed32.31%
Female Employed2.44%
Male Employed1.81%

Montgomery Income

Montgomery Income by Household Type

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Name Median Mean
Households$86,407$95,697
Families$97,231$105,734
Married Families$107,153-
Non Families$53,603$58,727
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Montgomery Marital Status

Montgomery Marital Status

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Marriage Rates

55.0%

Overall Marriage Rate

55.1%

Male Marriage Rate

54.9%

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 45-54.

Montgomery Marital Status by Race

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Montgomery Veterans

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526

Number of Veterans

387

Male Veterans

139

Female Veterans

War Veterans
Vietnam231
Second Gulf War152
First Gulf War132
Korea24
World War II
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Age Group Veterans
35 to 54170
65 to 74159
18 to 3492
75+62
55 to 6443
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Name Veterans % of Total
White4955.07%
Black313.84%

Montgomery Veterans by Education

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5.70%

Veteran Poverty Rate

13.31%

Veteran Disability Rate

Montgomery Employment Status

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74.9%

Labor Force Participation

70.9%

Employment Rate

5.1%

Unemployment Rate

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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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70.46%

Born in Illinois

84.04%

Native Born

15.96%

Foreign Born

8.22%

Non Citizen

7.74%

Naturalized

Place of Birth

84.04% of Montgomery residents were born in the United States, with 70.46% having been born in Illinois. 8.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
202019,899750.38%
201919,824750.38%
201819,749580.29%
201719,691750.38%
201619,6161720.88%
201519,4441660.86%
201419,2781620.85%
201319,1162051.08%
201218,9112291.23%
201118,6822981.62%
201018,38412,91312.89%
20005,4711,2042.52%
19904,2678982.39%
19803,369910.27%
19703,2780.00%