Rio, IL Profile: Facts, Map & Data


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Rio, Illinois - Basic Facts

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The Village of Rio had a population of 238 as of July 1, 2016. Rio ranks in the lower 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 Rio is located at latitude 41.1093 and longitude -90.3988 in Knox County. The formal boundaries for the Village of Rio (see map below) encompass a land area of 0.31 sq. miles and a water area of 0 sq. miles. Knox County is in the Central time zone (GMT -6). The elevation is 778 feet.

The Village of Rio (GNIS ID: 2399077) 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 Rio is located within Township of Rio, a minor civil division (MCD) of Knox County.

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

Alternate Unofficial Names for Rio: Rio Station.

Neighborhood Data

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Village of Rio, IL Boundary Map

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

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


Total Population 238
Population in Households 238
Population in Familes 211
Population in Group Qrtrs 0
Population Density1 763
Diversity Index2 7


Total Households 95
Average Household Size 2.51
Family Households 73
Average Family Size 3


Total Housing Units 103 (100%)
Owner Occupied HU 80 (77.7%)
Renter Occupied HU 15 (14.6%)
Vacant Housing Units 8 ( 7.8%)
Median Home Value $110,870
Average Home Value $125,313


Median Household Income $52,900
Average Household Income $70,612
Per Capita Income $28,981
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.27% 0.42%
Households 1.23% 0.42%
Families 1.38% 0.27%
Median Household Income   1.94%
Per Capita Income   2.52%
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.

Rio, IL - Peer Comparisons by Rank and Percentile

The table below compares Rio 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 # 1158 15th
Population Density1 # 912 33rd
Diversity Index2 # 1100 20th
Median Household Income # 663 52nd
Per Capita Income # 431 69th

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

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