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CITY

Monticello

Illinois · 6,080 residents (2025 est.) · 3.878 sq mi
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The short version

Monticello is wealthier than most US places, with a median household income of $99,449. Population has grown 23% since 2000. Median home value has more than doubled since 2000, reaching $210,500. Poverty is rare here, at 5.7% of residents. It sits in the top 10% of US cities for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 43.8
US median: 38.9
More educated
41% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

6,304
+23%since 2000
from 5,138 in 2000
1990 – 2025
1,626 / sq mi
+23%since 2000
from 1,325 / sq mi in 2000
US average: 281
43.8
+5%since 2000
from 41.7 in 2000
US average: 38.9

PEP 2025 EST:6,080 residents (Census Bureau Vintage 2025, released March 2026)

Population, 19902024
4K5K5K6K7K1990201020202024Monticello
20246K
1990201020202024
Section 02

Income & economy

$99,449
+19%inflation adjusted, since 2000
from $45,754 in 2000
US average: $82,259
1990 – 2024
$48,780
+110%since 2000
from $23,257 in 2000
US average: $44,673
Households earning $100K+
67.4%
+34.4 ptssince 2009
from 33.0% in 2009
US average: 53.3%
5.7%
+2.0 ptssince 2000
from 3.8% in 2000
US average: 12.5%
0.375
−13%since 2010
from 0.429 in 2010
US average: 0.476
Workforce by industry, 2024
Information12%
US avg: 10.8%
Retail trade7.8%
US avg: 9.9%
Other services6%
US avg: 6.7%
Public administration6%
US avg: 4.8%
Agriculture, forestry, fishing5.6%
US avg: 1.6%
Wholesale trade5.6%
US avg: 6.9%
Finance & insurance4.9%
US avg: 5.9%
Construction4.5%
US avg: 1.2%
Professional, scientific, technical4%
US avg: 5.1%
Transportation & warehousing3%
US avg: 2.2%
Arts, entertainment, food1.2%
US avg: 1.9%
Manufacturing1.1%
US avg: 0.4%
Education & health services0.9%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$210,500
+19%inflation adjusted, since 2000
from $96,800 in 2000
US average: $376,019
1990 – 2024
$1,379
+58%inflation adjusted, since 2000
from $480 in 2000
US average: $1,442
82.7%
+3.9 ptssince 2000
from 78.8% in 2000
17.3% rent
3.8%
−2.4 ptssince 2009
from 6.2% in 2009
US average: 10.0%
21.1%
+8.7 ptssince 2009
from 12.4% in 2009
US average: 22.9%
33.9%
−0.4 ptssince 2009
from 34.3% in 2009
US average: 47.4%
2.1
Unchangedsince 2000
from 2.1 in 2000
1990 – 2024
RELATED:See current rent listings in Monticello on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.4%(5,054)
Black0.1%(4)
Hispanic / Latino0.8%(41)
Asian0.1%(6)
Other0%
Diversity Score2.5%(127)
2024
White, non-Hispanic94.5%(5,958)
Black2.7%(172)
Hispanic / Latino1.9%(119)
Asian0.9%(55)
Other0%(0)
Diversity Score13.2%(832)
13
+433%since 2000
from 2 in 2000
1990 – 2024
Section 05

Education

40.7%
+10.0 ptssince 2000
from 30.7% in 2000
US average: 35.6%
High school or higher
95.7%
+7.2 ptssince 2000
from 88.4% in 2000
US average: 89.6%
13.6%
+1.4 ptssince 2000
from 12.2% in 2000
US average: 14.0%
Section 06

Commute & transportation

23.2 min
+64%since 2000
from 14.2 min in 2000
US average: 26.5
90.6%
+5.3 ptssince 2009
from 85.3% in 2009
US average: 68.9%
2.3%
−5.0 ptssince 2009
from 7.3% in 2009
US average: 8.5%
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
6.7%
+3.8 ptssince 2009
from 3.0% in 2009
US average: 15.0%
0.3%
−3.6 ptssince 2009
from 3.9% in 2009
US average: 2.4%
0.0%
−0.5 ptssince 2009
from 0.5% in 2009
US average: 0.4%
2.3%
−2.9 ptssince 2009
from 5.2% in 2009
US average: 8.3%
Section 07

Work & employment

0.5%
−0.9 ptssince 2011
from 1.3% in 2011
US average: 5.2%
66.2%
−1.8 ptssince 2011
from 68.0% in 2011
US average: 63.5%
16.6%
−2.8 ptssince 2009
from 19.4% in 2009
US average: 13.1%
37.9%
−28.7 ptssince 2009
from 66.7% in 2009
US average: 42.5%
Section 08

People & community

49.2%
+2.2 ptssince 2009
from 47.0% in 2009
50.8%
−2.2 ptssince 2009
from 53.0% in 2009
2.8%
+0.4 ptssince 2009
from 2.4% in 2009
US average: 14.1%
5.5%
−42.3 ptssince 2009
from 47.8% in 2009
US average: 6.2%
12.5%
−0.1 ptssince 2012
from 12.6% in 2012
US average: 13.3%
1.2%
−93.6 ptssince 2013
from 94.8% in 2013
US average: 8.4%
93.3%
+10.1 ptssince 2017
from 83.2% in 2017
US average: 91.0%
97.3%
+0.6 ptssince 2016
from 96.7% in 2016
US average: 77.7%
1.7%
+0.8 ptssince 2016
from 1.0% in 2016
US average: 13.6%
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Frequently asked

How many people live in Monticello, Illinois?

Monticello, Illinois has about 6,304 residents according to the 2024 American Community Survey.

What is the median household income in Monticello, Illinois?

The typical household in Monticello, Illinois earns about $99,449 a year. Half of households make more than that, and half make less.

Is Monticello, Illinois expensive?

In Monticello, Illinois, the median home is worth about $210,500, and the typical rent is about $1,379 a month.

How educated are people in Monticello, Illinois?

About 40.7% of adults age 25 and over in Monticello, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Monticello, Illinois?

About 5.7% of people in Monticello, Illinois live below the federal poverty line.

Has Monticello, Illinois grown since 1990?

Yes, Monticello, Illinois has grown since 1990. The population has added about 1,755 residents, a change of about 39 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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