Marion County IL Information

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Marion County Subdivisions

Marion County IL Data & Demographics (As of July 1, 2016)

POPULATION

Total Population 39,020
Population in Households 38,262
Population in Familes 30,758
Population in Group Qrtrs 758
Population Density1 68
Diversity Index2 18
 

HOUSEHOLDS

Total Households 16,112
Average Household Size 2.37
Family Households 10,614
Average Family Size 3

HOUSING

Total Housing Units 18,570 (100%)
Owner Occupied HU 11,595 (62.4%)
Renter Occupied HU 4,517 (24.3%)
Vacant Housing Units 2,458 (13.2%)
Median Home Value $76,893
Average Home Value $101,442
 

INCOME

Median Household Income $41,943
Average Household Income $54,985
Per Capita Income $22,909
  (Compound Annual Growth Rates)

GROWTH RATES

2010-2015 2015-2020
Population -0.17% -0.19%
Households -0.04% -0.11%
Families -0.2% -0.21%
Median Household Income   0.79%
Per Capita Income   1.57%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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Marion County IL - Peer Comparisons by Rank and Percentile

The table below compares Marion County to the other 102 counties and county equivalents in Illinois by rank and percentile using July 1, 2016 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 # 36 66th
Population Density1 # 37 65th
Diversity Index2 # 56 45th
Median Household Income # 80 23rd
Per Capita Income # 77 25th

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