Illinois / Census place 1756887

Oswego

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Oswego village

At a glance

A city in numbers.

Population
39,948
2025 estimate
Annual change
+3.1%
Population estimate
Density
2,464/sq mi
16.2 sq mi land area
Median age
38.7 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$123,792
Median home value
$344,500
Median gross rent
$1,860
Bachelor’s degree or higher
44.3%
Typical commute
31.5 min
Public transit commute
1.2%

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: CHICAGO AURORA MUNI AP (10 mi from place center)
Average high
59.7°F
Average low
39.1°F
Annual rainfall
33.8"
Annual snowfall
0"

Month by month

A year in Oswego.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

IL

Bartlett, IL

Population, housing, work, and travel data for this Census place.

Population
40,855
Median home
$375,700
IL

Crystal Lake, IL

Population, housing, work, and travel data for this Census place.

Population
42,288
Median home
$311,400
IL

Hoffman Estates, IL

Population, housing, work, and travel data for this Census place.

Population
50,858
Median home
$351,900

Keep exploring

Compare Oswego with Bartlett