Mark, IL Profile: Facts & Data


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Mark, Illinois - Basic Facts

The Village of Mark had a population of 523 as of July 1, 2018. Mark 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 Mark is located at latitude 41.2645 and longitude -89.2501 in Putnam County. The formal boundaries for the Village of Mark encompass a land area of 1.13 sq. miles and a water area of 0 sq. miles. Putnam County is in the Central time zone (GMT -6). The elevation is 692 feet.

The Village of Mark (GNIS ID: 2399259) 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 Mark is located within Township of Granville, a minor civil division (MCD) of Putnam County.

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  1. Mark 2018 Demographic Data
  2. Growth Rates for Mark (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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Mark, IL Data & Demographics (As of July 1, 2018)


Total Population 523
Population in Households 523
Population in Familes 426
Population in Group Qrtrs 0
Population Density2 463
Diversity Index3 18


Median Household Income $49,767
Average Household Income $78,173
Per Capita Income $31,707


Total Housing Units 218 (100%)
Owner Occupied HU 180 (82.6%)
Renter Occupied HU 32 (14.7%)
Vacant Housing Units 6 ( 2.8%)
Median Home Value $144,444
Average Home Value $161,806


Total Households 212
Average Household Size 2.47
Family Households 144
Average Family Size 3
  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 -0.72% -1.01%
Households -0.61% -0.86%
Families -0.65% -0.99%
Median Household Income   6.67%
Per Capita Income   3.94%

Mark, IL - Peer Comparisons by Rank and Percentile

The table below compares Mark 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 # 917 33rd
Population Density # 1104 19th
Diversity Index # 515 62nd
Median Household Income # 902 34th
Per Capita Income # 411 70th

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

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