Monroe County IL Information


Monroe County Subdivisions

Monroe County IL Data & Demographics (As of July 1, 2017)


Total Population 34,585
Daytime Population: Workers 9,383
Daytime Population: Residents 16,333
Total Daytime Population (TDP) 25,716
Ratio TDP/Total Population1 0.74
Population in Households 34,242
Population in Familes 29,521
Population in Group Qrtrs 343
Population Density2 90
Diversity Index3 8


Median Household Income $72,671
Average Household Income $93,829
Per Capita Income $36,228


Total Housing Units 14,180 (100%)
Owner Occupied HU 10,586 (74.7%)
Renter Occupied HU 2,633 (18.6%)
Vacant Housing Units 961 ( 6.8%)
Median Home Value $197,438
Average Home Value $218,111


Total Households 13,219
Average Household Size 2.59
Family Households 9,753
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 0.67% 0.76%
Households 0.68% 0.76%
Families 0.55% 0.68%
Median Household Income   2.59%
Per Capita Income   2.83%


Monroe County IL - Peer Comparisons by Rank and Percentile

The table below compares Monroe County to the other 102 counties and county equivalents 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 # 45 57th
Population Density # 27 75th
Diversity Index # 93 10th
Median Household Income # 7 94th
Per Capita Income # 3 98th

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