Sullivan, IL Profile: Facts, Map & Data


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Sullivan, Illinois - Basic Facts

The City of Sullivan had a population of 4,492 as of July 1, 2017. Sullivan ranks in the lower 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 Sullivan is located at latitude 39.5957 and longitude -88.6088 in Moultrie County. The formal boundaries for the City of Sullivan (see map below) encompass a land area of 2.74 sq. miles and a water area of 0 sq. miles. Moultrie County is in the Central time zone (GMT -6). The elevation is 673 feet.

The City of Sullivan (GNIS ID: 2395997) 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 Sullivan is located within Township of Sullivan, a minor civil division (MCD) of Moultrie County.

Beneath the boundary map are tables with Sullivan 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 Sullivan, IL Boundary Map

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Boundary Maps: Township of Sullivan | Moultrie County | Illinois Counties

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


Total Population 4,492
Daytime Population: Workers 3,108
Daytime Population: Residents 2,351
Total Daytime Population (TDP) 5,459
Ratio TDP/Total Population1 1.22
Population in Households 4,294
Population in Familes 3,269
Population in Group Qrtrs 198
Population Density2 1,638
Diversity Index3 8


Median Household Income $40,235
Average Household Income $51,983
Per Capita Income $22,662


Total Housing Units 2,124 (100%)
Owner Occupied HU 1,289 (60.7%)
Renter Occupied HU 640 (30.1%)
Vacant Housing Units 194 ( 9.1%)
Median Home Value $92,208
Average Home Value $116,175


Total Households 1,930
Average Household Size 2.22
Family Households 1,160
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 0.14% 0.11%
Households 0.18% 0.14%
Families 0.07% 0.02%
Median Household Income   1.36%
Per Capita Income   2.14%

Sullivan, IL - Peer Comparisons by Rank and Percentile

The table below compares Sullivan 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 # 355 74th
Population Density # 406 70th
Diversity Index # 1051 24th
Median Household Income # 1173 14th
Per Capita Income # 1086 21st

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

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