Oneida, IL Profile: Facts, Map & Data


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Oneida, Illinois - Basic Facts

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The City of Oneida had a population of 784 as of July 1, 2017. 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, 2017.

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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, 2017)


Total Population 784
Daytime Population: Workers 274
Daytime Population: Residents 394
Total Daytime Population (TDP) 668
Ratio TDP/Total Population1 0.85
Population in Households 784
Population in Familes 644
Population in Group Qrtrs 0
Population Density2 1,029
Diversity Index3 6


Median Household Income $53,403
Average Household Income $64,338
Per Capita Income $25,823


Total Housing Units 340 (100%)
Owner Occupied HU 241 (70.9%)
Renter Occupied HU 74 (21.8%)
Vacant Housing Units 25 ( 7.4%)
Median Home Value $84,524
Average Home Value $94,731


Total Households 315
Average Household Size 2.49
Family Households 216
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 1.62% 0.33%
Households 1.64% 0.38%
Families 1.35% 0.28%
Median Household Income   1.79%
Per Capita Income   2.88%

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, 2017 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 # 780 43rd
Population Density # 735 46th
Diversity Index # 1185 13th
Median Household Income # 674 51st
Per Capita Income # 768 44th

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

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