Mason, IL Profile: Facts, Map & Data


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Mason, Illinois - Basic Facts

The Town of Mason had a population of 333 as of July 1, 2017. Mason 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 Mason is located at latitude 38.9543 and longitude -88.6271 in Effingham County. The formal boundaries for the Town of Mason (see map below) encompass a land area of 1.29 sq. miles and a water area of 0 sq. miles. Effingham County is in the Central time zone (GMT -6). The elevation is 581 feet.

The Town of Mason (GNIS ID: 2396740) 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 Town of Mason is located within Township of Mason, a minor civil division (MCD) of Effingham County.

Beneath the boundary map are tables with Mason 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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Town of Mason, IL Boundary Map

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Boundary Maps: Township of Mason | Effingham County | Illinois Counties

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


Total Population 333
Daytime Population: Workers 12
Daytime Population: Residents 151
Total Daytime Population (TDP) 163
Ratio TDP/Total Population1 0.49
Population in Households 333
Population in Familes 275
Population in Group Qrtrs 0
Population Density2 259
Diversity Index3 9


Median Household Income $43,229
Average Household Income $49,926
Per Capita Income $20,053


Total Housing Units 156 (100%)
Owner Occupied HU 120 (76.9%)
Renter Occupied HU 22 (14.1%)
Vacant Housing Units 15 ( 9.6%)
Median Home Value $88,571
Average Home Value $109,792


Total Households 141
Average Household Size 2.36
Family Households 98
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 -0.49% -0.3%
Households -0.39% -0.14%
Families 1.5% -0.41%
Median Household Income   1.26%
Per Capita Income   1.88%

Mason, IL - Peer Comparisons by Rank and Percentile

The table below compares Mason 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 # 1060 23rd
Population Density # 1226 10th
Diversity Index # 959 29th
Median Household Income # 1076 21st
Per Capita Income # 1261 8th

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

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