Silvis, IL Profile: Facts, Map & Data


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Silvis, Illinois - Basic Facts

The City of Silvis had a population of 7,489 as of July 1, 2016. Silvis ranks in the upper 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 Silvis is located at latitude 41.4979 and longitude -90.4101 in Rock Island County. The formal boundaries for the City of Silvis (see map below) encompass a land area of 4.2 sq. miles and a water area of 0 sq. miles. Rock Island County is in the Central time zone (GMT -6). The elevation is 594 feet.

The City of Silvis (GNIS ID: 2395890) 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 City of Silvis is located within Township of Hampton, a minor civil division (MCD) of Rock Island County.

Beneath the boundary map are tables with Silvis 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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City of Silvis, IL Boundary Map

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Boundary Maps: Township of Hampton | Rock Island County | Illinois Counties

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


Total Population 7,489
Population in Households 7,489
Population in Familes 5,641
Population in Group Qrtrs 0
Population Density1 1,781
Diversity Index2 50


Total Households 3,336
Average Household Size 2.24
Family Households 1,912
Average Family Size 3


Total Housing Units 3,560 (100%)
Owner Occupied HU 1,884 (52.9%)
Renter Occupied HU 1,451 (40.8%)
Vacant Housing Units 224 ( 6.3%)
Median Home Value $106,928
Average Home Value $126,817


Median Household Income $35,497
Average Household Income $49,697
Per Capita Income $22,239
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.07% -0.03%
Households 0.12% 0.04%
Families -0.28% -0.1%
Median Household Income   -1.78%
Per Capita Income   0.76%
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.

Silvis, IL - Peer Comparisons by Rank and Percentile

The table below compares Silvis 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 # 275 80th
Population Density1 # 360 74th
Diversity Index2 # 178 87th
Median Household Income # 1271 7th
Per Capita Income # 1036 24th

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

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