Mount Vernon, IL Profile: Facts, Map & Data


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Mount Vernon, Illinois - Basic Facts

The City of Mount Vernon had a population of 15,017 as of July 1, 2016. Mount Vernon 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 Mount Vernon is located at latitude 38.3142 and longitude -88.9175 in Jefferson County. The formal boundaries for the City of Mount Vernon (see map below) encompass a land area of 14.42 sq. miles and a water area of 0.08 sq. miles. Jefferson County is in the Central time zone (GMT -6). The elevation is 512 feet.

The City of Mount Vernon (GNIS ID: 2395129) 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 Mount Vernon is located within Township of Mount Vernon, a minor civil division (MCD) of Jefferson County.

Beneath the boundary map are tables with Mount Vernon 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 Mount Vernon, IL Boundary Map

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Boundary Maps: Township of Mount Vernon | Jefferson County | Illinois Counties

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


Total Population 15,017
Population in Households 14,699
Population in Familes 10,857
Population in Group Qrtrs 318
Population Density1 1,041
Diversity Index2 39


Total Households 6,606
Average Household Size 2.23
Family Households 3,740
Average Family Size 3


Total Housing Units 7,576 (100%)
Owner Occupied HU 3,642 (48.1%)
Renter Occupied HU 2,965 (39.1%)
Vacant Housing Units 970 (12.8%)
Median Home Value $82,383
Average Home Value $114,395


Median Household Income $35,183
Average Household Income $52,639
Per Capita Income $23,271
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.33% -0.29%
Households -0.29% -0.26%
Families -0.24% -0.42%
Median Household Income   0.65%
Per Capita Income   1.5%
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.

Mount Vernon, IL - Peer Comparisons by Rank and Percentile

The table below compares Mount Vernon 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 # 163 88th
Population Density1 # 731 47th
Diversity Index2 # 251 82nd
Median Household Income # 1281 6th
Per Capita Income # 936 32nd

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

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