Stillman Valley, IL Profile: Facts, Map & Data


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Stillman Valley, Illinois - Basic Facts

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The Village of Stillman Valley had a population of 1,197 as of July 1, 2016. Stillman Valley ranks in the upper 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 Stillman Valley is located at latitude 42.1041 and longitude -89.18 in Ogle County. The formal boundaries for the Village of Stillman Valley (see map below) encompass a land area of 0.54 sq. miles and a water area of 0 sq. miles. Ogle County is in the Central time zone (GMT -6). The elevation is 712 feet.

The Village of Stillman Valley (GNIS ID: 2399901) 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 Stillman Valley is located within Township of Marion, a minor civil division (MCD) of Ogle County.

Beneath the boundary map are tables with Stillman Valley 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 Stillman Valley, IL Boundary Map

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Boundary Maps: Township of Marion | Ogle County | Illinois Counties

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


Total Population 1,197
Population in Households 1,197
Population in Familes 1,037
Population in Group Qrtrs 0
Population Density1 2,205
Diversity Index2 14


Total Households 465
Average Household Size 2.57
Family Households 350
Average Family Size 3


Total Housing Units 483 (100%)
Owner Occupied HU 366 (75.8%)
Renter Occupied HU 99 (20.5%)
Vacant Housing Units 18 ( 3.7%)
Median Home Value $148,291
Average Home Value $168,784


Median Household Income $55,678
Average Household Income $64,968
Per Capita Income $25,223
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.07% 0.25%
Households 1.26% 0.34%
Families 1.75% 0.34%
Median Household Income   1.38%
Per Capita Income   1.81%
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.

Stillman Valley, IL - Peer Comparisons by Rank and Percentile

The table below compares Stillman Valley 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 # 661 52nd
Population Density1 # 234 83rd
Diversity Index2 # 637 53rd
Median Household Income # 542 60th
Per Capita Income # 725 47th

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

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