ZIP CodeStandard
61856
Monticello, IL
ZIP Code 61856 in Monticello, IL has a population of 7,933 and a median household income of $103,559. Explore Census demographics, housing, and a map.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
7,933
People
Median age
42.9
Housing
Total households
3,400
Income
Median household income
$103,559
Housing
Total housing units
3,546
Employment
Employment rate
65.4%
Education
Bachelor’s degree or higher
42.6%
Healthcare
Insured population
98%
Nearby ZIP codes
ZIP codes near 61856.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS