Alexander County IL Information


Alexander County Subdivisions

Alexander County IL Data & Demographics (As of July 1, 2018)


Total Population 7,578
Population in Households 7,446
Population in Familes 5,923
Population in Group Qrtrs 132
Population Density1 32
Diversity Index2 53


Median Household Income $34,528
Average Household Income $45,939
Per Capita Income $20,022


Total Housing Units 3,926 (100%)
Owner Occupied HU 2,149 (54.7%)
Renter Occupied HU 1,110 (28.3%)
Vacant Housing Units 667 (17.0%)
Median Home Value $62,252
Average Home Value $94,916


Total Households 3,259
Average Household Size 2.28
Family Households 2,017
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 -1.01% -1.55%
Households -0.26% -1.48%
Families -0.45% -1.61%
Median Household Income   1.49%
Per Capita Income   2.71%


Alexander County IL - Peer Comparisons by Rank and Percentile

The table below compares Alexander County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2018 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 # 90 13th
Population Density # 71 31st
Diversity Index # 11 90th
Median Household Income # 102 1st
Per Capita Income # 102 1st

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