Oswego, IL Profile: Facts & Data


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Oswego, Illinois - Basic Facts

The Village of Oswego had a population of 33,493 as of July 1, 2018. Oswego ranks in the upper quartile for Population Density and 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 Oswego is located at latitude 41.6832 and longitude -88.3389 in Kendall County. The formal boundaries for the Village of Oswego (see map below) encompass a land area of 15.56 sq. miles and a water area of 0.12 sq. miles. Kendall County is in the Central time zone (GMT -6). The elevation is 640 feet.

The Village of Oswego (GNIS ID: 2399593) 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 Oswego is located within Township of Oswego, a minor civil division (MCD) of Kendall County.

Alternate Unofficial Names for Oswego: Lodi, Oswego Mills.

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  1. Oswego 2018 Demographic Data
  2. Growth Rates for Oswego (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Oswego, IL Data & Demographics (As of July 1, 2018)


Total Population 33,493
Population in Households 33,443
Population in Familes 30,146
Population in Group Qrtrs 50
Population Density2 2,153
Diversity Index3 49


Median Household Income $102,421
Average Household Income $119,303
Per Capita Income $39,642


Total Housing Units 11,342 (100%)
Owner Occupied HU 9,651 (85.1%)
Renter Occupied HU 1,332 (11.7%)
Vacant Housing Units 358 ( 3.2%)
Median Home Value $254,502
Average Home Value $271,731


Total Households 10,984
Average Household Size 3.04
Family Households 8,714
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 1.2% 1.14%
Households 1.22% 1.16%
Families 1.0% 1.06%
Median Household Income   1.3%
Per Capita Income   2.48%

Oswego, IL - Peer Comparisons by Rank and Percentile

The table below compares Oswego to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2018 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 # 57 96th
Population Density # 240 83rd
Diversity Index # 193 86th
Median Household Income # 76 95th
Per Capita Income # 159 88th

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

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