McDonough County IL Information


McDonough County Subdivisions

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


Total Population 32,777
Daytime Population: Workers 13,798
Daytime Population: Residents 20,357
Total Daytime Population (TDP) 34,155
Ratio TDP/Total Population1 1.04
Population in Households 27,847
Population in Familes 18,087
Population in Group Qrtrs 4,930
Population Density2 56
Diversity Index3 25


Median Household Income $37,896
Average Household Income $53,744
Per Capita Income $21,513


Total Housing Units 14,375 (100%)
Owner Occupied HU 7,012 (48.8%)
Renter Occupied HU 5,627 (39.1%)
Vacant Housing Units 1,736 (12.1%)
Median Home Value $93,224
Average Home Value $120,588


Total Households 12,639
Average Household Size 2.2
Family Households 6,401
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 0.07% -0.61%
Households -0.45% -0.78%
Families -0.68% -0.94%
Median Household Income   1.54%
Per Capita Income   2.62%


McDonough County IL - Peer Comparisons by Rank and Percentile

The table below compares McDonough 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 # 48 54th
Population Density # 45 57th
Diversity Index # 45 57th
Median Household Income # 98 5th
Per Capita Income # 100 3rd

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