Onarga, IL Profile: Facts, Map & Data


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Onarga, Illinois - Basic Facts

The Village of Onarga had a population of 1,265 as of July 1, 2016. Onarga 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 Onarga is located at latitude 40.7157 and longitude -88.0064 in Iroquois County. The formal boundaries for the Village of Onarga (see map below) encompass a land area of 1.18 sq. miles and a water area of 0 sq. miles. Iroquois County is in the Central time zone (GMT -6). The elevation is 673 feet.

The Village of Onarga (GNIS ID: 2399574) 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 Onarga is located within Township of Onarga, a minor civil division (MCD) of Iroquois County.

Beneath the boundary map are tables with Onarga 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 Onarga, IL Boundary Map

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Boundary Maps: Township of Onarga | Iroquois County | Illinois Counties

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


Total Population 1,265
Population in Households 1,170
Population in Familes 986
Population in Group Qrtrs 95
Population Density1 1,071
Diversity Index2 76


Total Households 416
Average Household Size 2.81
Family Households 292
Average Family Size 3


Total Housing Units 476 (100%)
Owner Occupied HU 308 (64.7%)
Renter Occupied HU 108 (22.7%)
Vacant Housing Units 60 (12.6%)
Median Home Value $91,848
Average Home Value $119,951


Median Household Income $42,100
Average Household Income $54,807
Per Capita Income $19,309
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.61% -0.49%
Households -0.53% -0.49%
Families -1.21% -0.62%
Median Household Income   1.0%
Per Capita Income   1.59%
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.

Onarga, IL - Peer Comparisons by Rank and Percentile

The table below compares Onarga 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 # 642 53rd
Population Density1 # 716 48th
Diversity Index2 # 37 97th
Median Household Income # 1055 23rd
Per Capita Income # 1259 8th

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

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