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Monticello city, IL

ZIP 61856 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 61856

61856 has a population of 8,110 with a median age of 42.4 yrs (51.3% male).

Race & Ethnicity
White
95.6%+55% vs US avg
x
Black
2.5%-79% vs US avg
x
Asian
0.3%-95% vs US avg
x
Hispanic
1.5%-92% vs US avg
x
Age Groups
0–17
22.3%+1% vs US avg
x
18–64
55.2%-11% vs US avg
x
65+
22.6%+38% vs US avg
x
Education
Less than HS
4.2%-62% vs US avg
x
High school
25.8%-2% vs US avg
x
Some college
30.2%+4% vs US avg
x
Bachelor's+
39.9%+18% vs US avg
x
Marital Status
Married
63.7%+32% vs US avg
x
Never married
21.4%-37% vs US avg
x
Divorced
10.1%-2% vs US avg
x
Widowed / Separated
4.8%
x
Diversity Index
8/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
5.0%-57% vs US avg
x
Foreign Born
0.0%
x
Veterans
5.5%-9% vs US avg
x
Disability
11.6%-13% vs US avg
x
Single Parent
1.8%-78% vs US avg
x
Recent Births
54.9%+846% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 61856

Poverty Rate
5.0%-57% vs US avg
x
Veterans
5.5%-9% vs US avg
x
Foreign Born
0.0%
x
Single Parent
1.8%-78% vs US avg
x
Disability
11.6%-13% vs US avg
x
Uninsured
1.1%-86% vs US avg
x
SNAP Benefits
4.4%-63% vs US avg
x
Private School
0.2%-98% vs US avg
x
Recent Births
54.9%+846% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population8,110
Median age42.4
Poverty rate5.0%
Demographics statistics
Demographics
White95.6%
Hispanic1.5%
Black2.5%
Asian0.3%
Foreign-born0.0%