Jacksonville, IL Profile: Facts, Map & Data


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Jacksonville, Illinois - Basic Facts

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The City of Jacksonville had a population of 19,103 as of July 1, 2017. Jacksonville ranks in the upper quartile for Population Density and 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 Jacksonville is located at latitude 39.7292 and longitude -90.2322 in Morgan County. The formal boundaries for the City of Jacksonville (see map below) encompass a land area of 10.46 sq. miles and a water area of 0.19 sq. miles. Morgan County is in the Central time zone (GMT -6). The elevation is 610 feet.

The City of Jacksonville (GNIS ID: 2395451) 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 Jacksonville is located within Jacksonville Number 9 Election Precinct, a minor civil division (MCD) of Morgan County.

Beneath the boundary map are tables with Jacksonville population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Jacksonville, IL Boundary Map

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Boundary Maps: Jacksonville Number 9 Election Precinct | Morgan County | Illinois Counties

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Jacksonville, IL Data & Demographics (As of July 1, 2017)


Total Population 19,103
Daytime Population: Workers 14,029
Daytime Population: Residents 10,135
Total Daytime Population (TDP) 24,164
Ratio TDP/Total Population1 1.26
Population in Households 16,051
Population in Familes 11,651
Population in Group Qrtrs 3,052
Population Density2 1,826
Diversity Index3 35


Median Household Income $40,662
Average Household Income $58,278
Per Capita Income $23,644


Total Housing Units 8,086 (100%)
Owner Occupied HU 4,143 (51.2%)
Renter Occupied HU 3,077 (38.1%)
Vacant Housing Units 865 (10.7%)
Median Home Value $97,498
Average Home Value $122,036


Total Households 7,221
Average Household Size 2.22
Family Households 4,032
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 -0.25% -0.23%
Households -0.26% -0.24%
Families -0.48% -0.39%
Median Household Income   1.08%
Per Capita Income   2.21%

Jacksonville, IL - Peer Comparisons by Rank and Percentile

The table below compares Jacksonville to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2017 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 # 134 90th
Population Density # 332 76th
Diversity Index # 310 77th
Median Household Income # 1158 15th
Per Capita Income # 990 28th

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

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