Clay City, IL Profile: Facts, Map & Data


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Clay City, Illinois - Basic Facts

The Village of Clay City is an incorporated place (Class Code P1) located in Clay County at latitude 38.6857 and longitude -88.3486. Clay County is in the Central time zone (GMT -6). The elevation is 433 feet.

The formal official name is the Village of Clay City, but most people and references simply refer to it as Clay City, Illinois.

The P1 Census Class Code for Clay City indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the Village of Clay City (see map below) encompass a land area of 1.78 sq. miles and a water area of 0 sq. miles.

Village of Clay City, IL Boundary Map


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Boundary Maps: Township of Clay City | Clay County | Illinois Counties

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Clay City, IL Data & Demographics (As of July 1, 2014)


Total Population 965
Population in Households 965
Population in Familes 750
Population in Group Qrtrs 0
Population Density1 553
Diversity Index2 3


Total Households 430
Average Household Size 2.24
Family Households 272
Average Family Size 3


Total Housing Units 481 (100%)
Owner Occupied HU 336 (69.9%)
Renter Occupied HU 95 (19.8%)
Vacant Housing Units 51 (10.6%)
Median Home Value $64,159
Average Home Value $82,143


Median Household Income $37,631
Average Household Income $46,456
Per Capita Income $20,808
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.15% -0.1%
Households 0.33% -0.05%
Families 1.81% -0.22%
Median Household Income   1.35%
Per Capita Income   1.96%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Clay City, IL - Peer Comparisons by Rank and Percentile

The table below compares Clay City to the other 1,367 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2014 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 # 720 47th
Population Density1 # 1054 23rd
Diversity Index2 # 1302 4th
Median Household Income # 1221 11th
Per Capita Income # 1097 20th

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