Thompsonville, IL Profile: Facts, Map & Data


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Thompsonville, Illinois - Basic Facts

The Village of Thompsonville had a population of 515 as of July 1, 2017. Thompsonville ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Thompsonville is located at latitude 37.9113 and longitude -88.765 in Franklin County. The formal boundaries for the Village of Thompsonville (see map below) encompass a land area of 2.03 sq. miles and a water area of 0.02 sq. miles. Franklin County is in the Central time zone (GMT -6). The elevation is 502 feet.

The Village of Thompsonville (GNIS ID: 2399972) 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 Village of Thompsonville is located within Township of Cave, a minor civil division (MCD) of Franklin County.

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

Alternate Unofficial Names for Thompsonville: Cave.

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Village of Thompsonville, IL Boundary Map

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Boundary Maps: Township of Cave | Franklin County | Illinois Counties

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


Total Population 515
Daytime Population: Workers 178
Daytime Population: Residents 333
Total Daytime Population (TDP) 511
Ratio TDP/Total Population1 0.99
Population in Households 515
Population in Familes 434
Population in Group Qrtrs 0
Population Density2 254
Diversity Index3 8


Median Household Income $44,361
Average Household Income $55,944
Per Capita Income $22,501


Total Housing Units 258 (100%)
Owner Occupied HU 164 (63.6%)
Renter Occupied HU 41 (15.9%)
Vacant Housing Units 53 (20.5%)
Median Home Value $77,459
Average Home Value $94,091


Total Households 205
Average Household Size 2.51
Family Households 148
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 -0.73% -0.51%
Households -0.65% -0.49%
Families 0.0% -0.55%
Median Household Income   2.64%
Per Capita Income   2.69%

Thompsonville, IL - Peer Comparisons by Rank and Percentile

The table below compares Thompsonville 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 # 925 32nd
Population Density # 1232 10th
Diversity Index # 1014 26th
Median Household Income # 1026 25th
Per Capita Income # 1098 20th

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

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