Township Of Saint Clair IL Demographic Data and Boundary Map
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Township Of Saint Clair, IL
The Township Of Saint Clair is a County Subdivision of County.
The subdivision has a Census Class Code which indicates that the Township Of Saint Clair is
Township Of Saint Clair Data & Demographics (As of July 1, 2024)
POPULATION
Total Population
35,079 (100%)
Population in Households
34,890 (99.5%)
Population in Families
27,878 (79.5%)
Population in Group Quarters1
189 ( 0.5%)
Population Density
1,723
Diversity Index2
60
INCOME
Median Household Income
$79,692
Average Household Income
$108,311
% of Income for Mortgage4
17%
Per Capita Income
$46,101
Wealth Index5
102
HOUSING
Total HU (Housing Units)
16,213 (100%)
Owner Occupied HU
10,489 (64.7%)
Renter Occupied HU
4,439 (27.4%)
Vacant Housing Units
1,285 ( 7.9%)
Median Home Value
$220,791
Average Home Value
$257,432
Housing Affordability Index3
123
HOUSEHOLDS
Total Households
14,928
Average Household Size
2.34000000000
Family Households
9,395
Average Family Size
3
NOTES
Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
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 races 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.
The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
