Vandalia, IL Profile: Facts, Map & Data


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Vandalia, Illinois - Basic Facts

The City of Vandalia had a population of 7,065 as of July 1, 2016. Vandalia ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Vandalia is located at latitude 38.9746 and longitude -89.1107 in Fayette County. The formal boundaries for the City of Vandalia (see map below) encompass a land area of 8.15 sq. miles and a water area of 0.02 sq. miles. Fayette County is in the Central time zone (GMT -6). The elevation is 518 feet.

The City of Vandalia (GNIS ID: 2397119) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Vandalia is located within Township of Vandalia, a minor civil division (MCD) of Fayette County.

Beneath the boundary map are tables with Vandalia population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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City of Vandalia, IL Boundary Map

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Boundary Maps: Township of Vandalia | Fayette County | Illinois Counties

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


Total Population 7,065
Population in Households 5,347
Population in Familes 3,969
Population in Group Qrtrs 1,718
Population Density1 867
Diversity Index2 36


Total Households 2,390
Average Household Size 2.24
Family Households 1,363
Average Family Size 3


Total Housing Units 2,718 (100%)
Owner Occupied HU 1,487 (54.7%)
Renter Occupied HU 903 (33.2%)
Vacant Housing Units 328 (12.1%)
Median Home Value $87,027
Average Home Value $103,766


Median Household Income $41,414
Average Household Income $50,976
Per Capita Income $19,342
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.05% -0.07%
Households 0.21% -0.02%
Families 0.12% -0.13%
Median Household Income   1.97%
Per Capita Income   1.41%
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.

Vandalia, IL - Peer Comparisons by Rank and Percentile

The table below compares Vandalia to the other 1,368 incorporated cities, towns and CDPs 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 # 283 79th
Population Density1 # 852 38th
Diversity Index2 # 281 80th
Median Household Income # 1087 21st
Per Capita Income # 1257 8th

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

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