Massac County IL Information


Massac County Subdivisions

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


Total Population 14,981
Daytime Population: Workers 4,910
Daytime Population: Residents 9,023
Total Daytime Population (TDP) 13,933
Ratio TDP/Total Population1 0.93
Population in Households 14,689
Population in Familes 11,904
Population in Group Qrtrs 292
Population Density2 63
Diversity Index3 24


Median Household Income $44,162
Average Household Income $57,584
Per Capita Income $23,718


Total Housing Units 7,092 (100%)
Owner Occupied HU 4,431 (62.5%)
Renter Occupied HU 1,686 (23.8%)
Vacant Housing Units 975 (13.7%)
Median Home Value $91,452
Average Home Value $111,058


Total Households 6,117
Average Household Size 2.4
Family Households 4,032
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 -0.41% -0.76%
Households -0.54% -0.85%
Families -0.7% -0.97%
Median Household Income   1.73%
Per Capita Income   2.75%


Massac County IL - Peer Comparisons by Rank and Percentile

The table below compares Massac 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 # 75 27th
Population Density # 40 62nd
Diversity Index # 46 56th
Median Household Income # 82 21st
Per Capita Income # 80 23rd

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