Monticello, Illinois Population 2021

5,856
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Monticello is a city located in Piatt County Illinois. Monticello has a 2020 population of 5,856. It is also the county seat of Piatt County. Monticello is currently declining at a rate of -0.20% annually and its population has decreased by -0.76% since the most recent census, which recorded a population of 5,901 in 2010. Monticello reached it's highest population of 5,922 in 2016.

The average household income in Monticello is $78,623 with a poverty rate of 5.60%. The median rental costs in recent years comes to $970 per month, and the median house value is $158,300. The median age in Monticello is 41.6 years, 38.3 years for males, and 43.9 years for females.

Monticello Demographics

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

  • White: 95.38%
  • Two or more races: 2.07%
  • Asian: 1.44%
  • Black or African American: 0.78%
  • Other race: 0.17%
  • Native American: 0.15%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Monticello, Illinois is 5,856 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 5,892.The last official US Census in 2010 recorded the population at 5,901.

Monticello, Illinois Population 2021

Population by Race

Race Population Percentage
White5,61295.38%
Two or More Races1222.07%
Asian851.44%
Black or African American460.78%
Some Other Race100.17%
American Indian and Alaska Native90.15%
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Monticello Population by Race

Monticello Population Pyramid $2021

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Monticello Median Age

41.6


Total

38.3


Male

43.9


Female

Monticello Adults

There are 4,522 adults, (1,275 of whom are seniors) in Monticello.

Monticello Age Dependency

81.2

Age Dependency Ratio

39.3

Old Age Dependency Ratio

41.9

Child Dependency Ratio

Monticello Sex Ratio

Female

3,041

51.68%

Male

2,843

48.32%

Monticello Population by Age

Monticello Renter vs Owner Occupied by Household Type

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Monticello Household Types

Type Owner Renter
Married90.7%9.3%
All76.5%23.5%
Non Family61.7%38.3%
Female60.1%39.9%
Male48.8%51.2%

76.5%

Rate of Home Ownership

Monticello Households and Families

Type Count Average Size Owned
All2,5282.3176.5
Married1,3602.990.7
Non Family8451.0961.7
Female1983.260.1
Male1252.8448.8

2.85

Average Family Size

2.31

Average Household Size

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Monticello Households by Type

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Education Attained Count Percentage
Less Than 9th Grade731.72%
9th to 12th Grade1303.06%
High School Graduate1,17727.69%
Some College73917.38%
Associates Degree62714.75%
Bachelors Degree1,00723.69%
Graduate Degree49811.71%
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Monticello Educational Attainment by Sex (over 25)

Monticello Educational Attainment by Race

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Race Total High School Bachelors
White4,0853,9121,404
2+ Races745833
Hispanic636358
Asian392725
Black108
Other Race101010
Native American999

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

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

Monticello Educational Attainment by Race

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Name Average Male Female
Overall$43,400$53,316$35,856
Less Than 9th Grade$$$
High School Graduate$32,292$50,217$29,063
Some College$43,190$57,750$34,053
Bachelors Degree$51,111$59,318$46,949
Graduate Degree$46,042$47,222$43,819

$43,400

Average Earnings

$53,316

Average Male

$35,856

Average Female

Monticello Earnings by Educational Attainment

Monticello Language by Age

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Monticello Language

95.32% of Monticello residents speak only English, while 4.68% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.66% of the population.

Monticello Language

Monticello Poverty by Race

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Name Total In Poverty Poverty Rate
White5,5842484.44%
Asian857284.71%
Black41921.95%

5.60%

Overall Poverty Rate

5.98%

Male Poverty Rate

5.24%

Female Poverty Rate

Poverty in Monticello

The race most likely to be in poverty in Monticello is Asian, with 84.71% below the poverty level.

The race least likely to be in poverty in Monticello is White, with 4.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.06%. Among those working part-time, it was 9.83%, and for those that did not work, the poverty rate was 7.10%.

Monticello Poverty

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Name Poverty
Less Than 9th Grade31.53%
Some College4.83%
High School3.74%
Bachelors or Greater1.13%

Monticello Poverty Rate by Education

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Rate Poverty
Female Unemployed62.07%
Male Employed5.21%
Female Employed0.83%
Male Unemployed0.00%

Monticello Poverty Rate by Employment Status and Sex

Monticello Income by Household Type

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Name Median Mean
Households$74,044$78,623
Families$83,183$88,355
Married Families$84,628-
Non Families$38,438$53,639
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Income by Household Type

Monticello Marital Status

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Marriage Rates

59.8%

Overall Marriage Rate

58.9%

Male Marriage Rate

60.6%

Female Marriage Rate

Monticello Married by Age and Sex

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Monticello 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 35-44.

Monticello Marital Status by Race

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Monticello Marital Status

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310

Number of Veterans

310

Male Veterans

Female Veterans

War Veterans
Vietnam119
Second Gulf War93
Korea84
World War II
First Gulf War

Monticello Veterans by War

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Age Group Veterans
75+98
65 to 7482
18 to 3461
55 to 6437
35 to 5432

Monticello Veterans by Age

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Name Veterans % of Total
White2946.72%
2+ Races1621.62%

Monticello Veterans by Race

Monticello Veterans by Education

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0.00%

Veteran Poverty Rate

30.97%

Veteran Disability Rate

Monticello Veterans by Education

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66.1%

Labor Force Participation

63.5%

Employment Rate

3.9%

Unemployment Rate

Monticello Employment by Age

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Monticello Employment by Race

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Monticello 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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83.46%

Born in Monticello

98.22%

Native Born

1.78%

Foreign Born

0.82%

Non Citizen

0.97%

Naturalized

Place of Birth

98.22% of Monticello residents were born in the United States, with 83.46% having been born in Illinois. 0.82% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Monticello Place of Birth

Year Population Growth Annual Growth Rate
20215,856-12-0.20%
20205,868-12-0.20%
20195,880-12-0.20%
20185,8920.00%
20175,892-30-0.51%
20165,922771.32%
20155,845-17-0.29%
20145,862-1-0.02%
20135,863430.74%
20125,820-60-1.02%
20115,880-21-0.36%
20105,9010.00%

Monticello Population by Year