Grantfork, IL Profile: Facts, Map & Data


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Grantfork, Illinois - Basic Facts

The Village of Grantfork had a population of 347 as of July 1, 2015. Grantfork ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Grantfork is located at latitude 38.8265 and longitude -89.6667 in Madison County. The formal boundaries for the Village of Grantfork (see map below) encompass a land area of 0.3 sq. miles and a water area of 0.01 sq. miles. Madison County is in the Central time zone (GMT -6). The elevation is 531 feet.

The Village of Grantfork (GNIS ID: 2398192) 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.

Beneath the boundary map are tables with Grantfork population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Alternate Unofficial Names for Grantfork: Grant Fork, Saline.

Village of Grantfork, IL Boundary Map


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Boundary Maps: Township of Saline | Madison County | Illinois Counties

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Grantfork, IL Data & Demographics (As of July 1, 2015)


Total Population 347
Population in Households 347
Population in Familes 308
Population in Group Qrtrs 0
Population Density1 1,172
Diversity Index2 7


Total Households 133
Average Household Size 2.61
Family Households 107
Average Family Size 3


Total Housing Units 143 (100%)
Owner Occupied HU 116 (81.1%)
Renter Occupied HU 17 (11.9%)
Vacant Housing Units 10 ( 7.0%)
Median Home Value $202,941
Average Home Value $227,802


Median Household Income $68,559
Average Household Income $86,685
Per Capita Income $31,415
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.56% 0.17%
Households 0.58% 0.3%
Families 1.69% 0.19%
Median Household Income   2.7%
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.

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Grantfork, IL - Peer Comparisons by Rank and Percentile

The table below compares Grantfork to the other 1,367 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2015 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 # 1048 23rd
Population Density1 # 656 52nd
Diversity Index2 # 1033 25th
Median Household Income # 269 80th
Per Capita Income # 281 80th

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