South Beloit, IL Profile: Facts, Map & Data


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South Beloit, Illinois - Basic Facts

The City of South Beloit had a population of 7,871 as of July 1, 2016. South Beloit 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 South Beloit is located at latitude 42.4848 and longitude -89.0274 in Winnebago County. The formal boundaries for the City of South Beloit (see map below) encompass a land area of 5.9 sq. miles and a water area of 0.23 sq. miles. Winnebago County is in the Central time zone (GMT -6). The elevation is 738 feet.

The City of South Beloit (GNIS ID: 2395912) 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 South Beloit is located within Township of Roscoe, a minor civil division (MCD) of Winnebago County.

Beneath the boundary map are tables with South Beloit 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 South Beloit, IL Boundary Map

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Boundary Maps: Township of Roscoe | Winnebago County | Illinois Counties

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


Total Population 7,871
Population in Households 7,804
Population in Familes 6,443
Population in Group Qrtrs 67
Population Density1 1,335
Diversity Index2 39


Total Households 2,991
Average Household Size 2.61
Family Households 2,069
Average Family Size 3


Total Housing Units 3,391 (100%)
Owner Occupied HU 2,131 (62.8%)
Renter Occupied HU 860 (25.4%)
Vacant Housing Units 400 (11.8%)
Median Home Value $120,311
Average Home Value $123,239


Median Household Income $50,505
Average Household Income $61,237
Per Capita Income $23,476
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.04% -0.2%
Households -0.09% -0.19%
Families 0.02% -0.31%
Median Household Income   0.04%
Per Capita Income   1.31%
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.

South Beloit, IL - Peer Comparisons by Rank and Percentile

The table below compares South Beloit 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 # 263 81st
Population Density1 # 561 59th
Diversity Index2 # 257 81st
Median Household Income # 757 45th
Per Capita Income # 920 33rd

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

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