Monticello, IL 61856 ZIP Code Profile

Related Place Profiles:
Lodge, IL | Monticello, IL

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ZIP Code 61856: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Monticello, IL 61856

Acceptable Alternative
Lodge, IL 61856

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 328
  • Single Family Addresses: 3,053
  • Multi-Family Addresses: 177
  • County: Piatt County
  • Centroid: Latitude 40.022, Longitude -88.574
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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61856 ZIP Code Map

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Monticello, IL 61856 Data & Demographics (As of July 1, 2017)


Total Population 7,443
Daytime Population: Workers 2,756
Daytime Population: Residents 3,661
Total Daytime Population (TDP) 6,417
Ratio TDP/Total Population1 0.86
Population in Households 7,405
Population in Familes 6,200
Population in Group Qrtrs 38
Population Density2 75
Diversity Index3 9


Median Household Income $61,042
Average Household Income $77,532
Per Capita Income $31,883


Total Housing Units 3,278 (100%)
Owner Occupied HU 2,391 (72.9%)
Renter Occupied HU 652 (19.9%)
Vacant Housing Units 235 ( 7.2%)
Median Home Value $147,479
Average Home Value $170,891


Total Households 3,043
Average Household Size 2.43
Family Households 2,107
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.08% 0.15%
Households 0.1% 0.19%
Families -0.06% 0.08%
Median Household Income   1.37%
Per Capita Income   2.35%

Monticello, IL 61856 - Peer Comparisons by Rank and Percentile

The table below compares 61856 to the other 1,377 ZIP Codes in Illinois by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 421 69th
Population Density # 649 53rd
Diversity Index # 943 32nd
Median Household Income # 438 68th
Per Capita Income # 367 73rd

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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