Oneida, IL Profile: Facts, Map & Data


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Oneida, Illinois - Basic Facts

Real Estate Resources

The City of Oneida had a population of 794 as of July 1, 2016. Oneida 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 Oneida is located at latitude 41.0722 and longitude -90.2247 in Knox County. The formal boundaries for the City of Oneida (see map below) encompass a land area of 0.76 sq. miles and a water area of 0 sq. miles. Knox County is in the Central time zone (GMT -6). The elevation is 814 feet.

The City of Oneida (GNIS ID: 2396067) 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 Oneida is located within Township of Ontario, a minor civil division (MCD) of Knox County.

Beneath the boundary map are tables with Oneida 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

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Oneida, IL Boundary Map

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

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


Total Population 794
Population in Households 794
Population in Familes 653
Population in Group Qrtrs 0
Population Density1 1,042
Diversity Index2 6


Total Households 318
Average Household Size 2.5
Family Households 219
Average Family Size 3


Total Housing Units 327 (100%)
Owner Occupied HU 244 (74.6%)
Renter Occupied HU 74 (22.6%)
Vacant Housing Units 9 ( 2.8%)
Median Home Value $83,532
Average Home Value $93,776


Median Household Income $53,779
Average Household Income $63,701
Per Capita Income $25,486
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 2.08% 0.72%
Households 2.06% 0.68%
Families 1.79% 0.45%
Median Household Income   0.83%
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.

Oneida, IL - Peer Comparisons by Rank and Percentile

The table below compares Oneida 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 # 778 43rd
Population Density1 # 730 47th
Diversity Index2 # 1191 13th
Median Household Income # 622 55th
Per Capita Income # 701 49th

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