Grantfork, IL Profile: Facts & Data


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Grantfork, Illinois - Basic Facts

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The Village of Grantfork had a population of 350 as of July 1, 2022.

The primary coordinate point for Grantfork is located at latitude 38.83 and longitude -89.6656 in Madison County. The formal boundaries for the Village of Grantfork 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 538 feet.

The Village of Grantfork 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 Grantfork is located within Township of Leef, a minor civil division (MCD) of Madison County.

Alternate Unofficial Names for Grantfork: Grant Fork, Saline.

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  1. Grantfork 2022 Demographic Data
  2. Growth Rates for Grantfork (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 - 2022 Demographics

Grantfork, IL Data & Demographics (As of July 1, 2022)


Total Population 350 (100%)
Population in Households 350 (100.0%)
Population in Families 308 (88.0%)
Population in Group Quarters1 0
Population Density 1,038
Diversity Index2 18


Median Household Income $109,597
Average Household Income $155,014
% of Income for Mortgage4 15%
Per Capita Income $57,182
Wealth Index5 215


Total HU (Housing Units) 150 (100%)
Owner Occupied HU 125 (83.3%)
Renter Occupied HU 11 ( 7.3%)
Vacant Housing Units 14 ( 9.3%)
Median Home Value $302,041
Average Home Value $302,016
Housing Affordability Index3 185


Total Households 136
Average Household Size 2.57
Family Households 108
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2020-2022 2022-2027
Population 1.16% 0.45%
Households 1.68% 0.72%
Families   0.73%
Median Household Income   2.12%
Per Capita Income   3.71%
Owner Occupied HU   0.79%

Grantfork, IL - Peer Comparisons by Rank and Percentile

The table below compares Grantfork to the other 1,466 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2022 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 # 1022 30th
Population Density # 681 54th
Median Household Income # 116 92nd
Housing Affordability Index # 764 52nd
Per Capita Income # 88 94th
Diversity Index # 817 44th

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

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