Williamsfield, IL Profile: Facts, Map & Data


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Williamsfield, Illinois - Basic Facts

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The Village of Williamsfield had a population of 620 as of July 1, 2016. Williamsfield 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 Williamsfield is located at latitude 40.9266 and longitude -90.0182 in Knox County. The formal boundaries for the Village of Williamsfield (see map below) encompass a land area of 1.27 sq. miles and a water area of 0 sq. miles. Knox County is in the Central time zone (GMT -6). The elevation is 705 feet.

The Village of Williamsfield (GNIS ID: 2399695) 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 Williamsfield is located within Township of Truro, a minor civil division (MCD) of Knox County.

Beneath the boundary map are tables with Williamsfield population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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Village of Williamsfield, IL Boundary Map

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Boundary Maps: Township of Truro | Knox County | Illinois Counties

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Williamsfield, IL Data & Demographics (As of July 1, 2016)


Total Population 620
Population in Households 615
Population in Familes 521
Population in Group Qrtrs 5
Population Density1 488
Diversity Index2 11


Total Households 252
Average Household Size 2.44
Family Households 184
Average Family Size 3


Total Housing Units 262 (100%)
Owner Occupied HU 214 (81.7%)
Renter Occupied HU 39 (14.9%)
Vacant Housing Units 10 ( 3.8%)
Median Home Value $83,140
Average Home Value $100,590


Median Household Income $44,165
Average Household Income $55,750
Per Capita Income $22,389
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.13% 0.42%
Households 1.12% 0.39%
Families 2.06% 0.22%
Median Household Income   1.99%
Per Capita Income   1.61%
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.

Williamsfield, IL - Peer Comparisons by Rank and Percentile

The table below compares Williamsfield to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2016 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 # 860 37th
Population Density1 # 1093 20th
Diversity Index2 # 744 45th
Median Household Income # 984 28th
Per Capita Income # 1027 25th

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

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