Thomson, IL Profile: Facts & Data


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Thomson, Illinois - Basic Facts

The Village of Thomson had a population of 743 as of July 1, 2018. Thomson 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 Thomson is located at latitude 41.9589 and longitude -90.0993 in Carroll County. The formal boundaries for the Village of Thomson encompass a land area of 2.39 sq. miles and a water area of 0 sq. miles. Carroll County is in the Central time zone (GMT -6). The elevation is 600 feet.

The Village of Thomson (GNIS ID: 2399974) 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 Thomson is located within Township of York, a minor civil division (MCD) of Carroll County.

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  1. Thomson 2018 Demographic Data
  2. Growth Rates for Thomson (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2018 Demographics

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Thomson, IL Data & Demographics (As of July 1, 2018)


Total Population 743
Population in Households 719
Population in Familes 584
Population in Group Qrtrs 24
Population Density2 310
Diversity Index3 15


Median Household Income $46,736
Average Household Income $64,023
Per Capita Income $27,538


Total Housing Units 272 (100%)
Owner Occupied HU 187 (68.7%)
Renter Occupied HU 60 (22.1%)
Vacant Housing Units 25 ( 9.2%)
Median Home Value $114,881
Average Home Value $134,626


Total Households 247
Average Household Size 2.91
Family Households 167
Average Family Size 4
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 2.83% -0.08%
Households 0.55% 0.08%
Families 0.6% 0.0%
Median Household Income   1.64%
Per Capita Income   2.23%

Thomson, IL - Peer Comparisons by Rank and Percentile

The table below compares Thomson to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2018 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 # 791 42nd
Population Density # 1190 13th
Diversity Index # 617 55th
Median Household Income # 988 28th
Per Capita Income # 698 49th

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

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