City safety & data profile

OswegoIL

Oswego, IL is a 34K-resident city in Kendall County with a median household income of $123,792.

Kendall County, Illinois. Federal health, economic, and safety indicators for Oswego, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Oswego has a population larger than 68% of the 4,640 U.S. cities Areazine tracks, and a median home value of $344,500.

Data updated 2026-07-20

34K
Population
Top 32%
By size
$123,792
Median income
$344,500
Median home
2.6%
Poverty rate

The read on Oswego

Oswego posts a median household income higher than 84% of U.S. cities Areazine tracks.

Top 16%
by median income, US cities

Where Oswego income ranks nationally

Median household income vs. every place Areazine profiles (place-level ACS)

$123,792 Top 16% higher than 84% of 3,889 places Areazine profiles

$0–$20,000: 0 places Areazine profiles (0%). Below this entry. $20,000–$40,000: 71 places Areazine profiles (2%). Below this entry. $40,000–$60,000: 788 places Areazine profiles (20%). Below this entry. $60,000–$80,000: 1,055 places Areazine profiles (27%). Below this entry. $80,000–$100,000: 768 places Areazine profiles (20%). Below this entry. $100,000–$120,000: 515 places Areazine profiles (13%). Below this entry. $120,000–$140,000: 308 places Areazine profiles (8%). This entry sits in this band. $140,000–$160,000: 171 places Areazine profiles (4%). Above this entry. $160,000–$180,000: 92 places Areazine profiles (2%). Above this entry. $180,000–$200,000: 47 places Areazine profiles (1%). Above this entry. $200,000–$220,000: 28 places Areazine profiles (1%). Above this entry. $220,000–$240,000: 18 places Areazine profiles (0%). Above this entry. $240,000–$260,000: 28 places Areazine profiles (1%). Above this entry. IL $0 $260,000 every profiled place, bucketed by value

Each bar is a $20K-wide band; taller bars hold more places Areazine profiles. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, American Community Survey (place-level) · 2024 ACS 5-year

The quick read

Reading Oswego, IL beyond the headline numbers

Oswego sits inside Kendall County, Illinois, at roughly 41.68°N, -88.35°W. Population 33,955, $123,792 median household income. Median home value $344,500, median rent $1,860. Poverty rate 2.6%, read against that income figure since two cities on the same median can differ underneath it.

CDC PLACES: Oswego's highest-prevalence health measure is obesity at 38.5%, then short sleep duration at 34.6%.

Sources: U.S. Census ACS, CDC PLACES, CMS Hospital Compare, plus live alerts for Oswego from FEMA, NOAA, FDA, and CPSC. Comparison bars benchmark each metric against the national reference.

Population
33,955
Oswego
Median Income
$123,792
+82% vs avg
Median Home Value
$344,500
+51% vs avg
Median Age
38.7
years

10-Year Trends 2013–2024

County-level trend (Kendall County) - Oswego's own historical series isn't separately published by the Census Bureau, so these year-over-year figures track the surrounding county, not the city alone.

20132024
Population
138K+18%
Median Income
$111,601+36%
Median Home Value
$322,400+53%
Poverty Rate
5.4%+13%
Unemployment
4.3%-46%

Economics

Economics indicators for Oswego, IL
IndicatorValue
Median Rent
$1,860/mo
Poverty Rate
2.6% -82% vs avg
Unemployment 2.6%
Bachelor's Degree+ 44.3%
Work From Home 17.5%
Public Transit 1.2%

Population

White 64.8%
African American 10.4%
Asian 4.6%
Two or More Ethnicities 2.3%

Health Profile 15 measures

Health Indicators

Obesity
38.5%
Short Sleep Duration
34.6%
High Blood Pressure
29%
Binge Drinking
20.2%
Physical Inactivity
17.9%
Frequent Mental Distress
15.3%
Current Smoking
10.6%
Frequent Physical Distress
10.5%
Current Asthma
9.8%
Diabetes
8.8%

Preventive Care

Dental Visit 69.6%
Annual Checkup 77.2%

Other Measures

Lack of Health Insurance
7.1%
Coronary Heart Disease
4.2%
Stroke
2.3%

Frequently Asked Questions 5

What is the population of Oswego, IL? ▼
Oswego, IL has a population of 33,955 people, located in Kendall County, Illinois.
What is the median household income in Oswego? ▼
The median household income in Oswego, IL is $123,792 per year, per the U.S. Census ACS. The poverty rate is 2.6%.
What is the median home value in Oswego? ▼
The median home value in Oswego, IL is $344,500. Median rent is $1,860/month.
What are the top health concerns in Oswego? ▼
The top health indicators in Oswego include Obesity (38.5%), Short Sleep Duration (34.6%), High Blood Pressure (29%). Data from CDC PLACES.
What is the median age in Oswego? ▼
The median age in Oswego, IL is 38.7 years. 44.3% of residents have a bachelor's degree or higher.

Safety Context

Oswego, IL is located in Kendall County, Illinois. With a population of 34K and a $123,792 median household income, the community faces health challenges including obesity and short sleep duration. Safety alerts for the Oswego area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.

Safety Guides

How Product Recalls Work

CPSC, FDA & NHTSA recall process explained

Understanding Weather Alerts

Watch vs warning vs advisory explained

Earthquake Magnitude Explained

What the numbers mean & when to act
All safety guides →

Primary source data

EPA Outdoor Air Quality Data

Federal monitoring network, every measurement we report

AirNow - Illinois

Real-time AQI for every monitored Illinois location

National Weather Service

NOAA active watches, warnings, advisories

CDC Air Quality & Health

Health-impact reference for every AQI category

EPA NAAQS standards

National Ambient Air Quality Standards, the regulatory thresholds

Nearby Cities 8

Montgomery, IL 19K Aurora, IL 201K Yorkville, IL 18K North Aurora, IL 17K Plainfield, IL 43K Batavia, IL 26K Plano, IL 11K Geneva, IL 22K
All cities in Illinois → Compare Oswego vs Montgomery → All comparisons → Browse all cities

Using Oswego's profile

Use this as a starting research checklist, not a verdict on whether to live here.

  • Check live recalls, weather and hazard alerts scoped to the Oswego area before relying on national headlines. Check your area
  • Read the poverty rate alongside the income figure, two places with the same median can have very different realities.
  • Compare Oswego against Illinois peers on any ranking lens. Explore Illinois

Population and economics (income, home value, poverty, education) are place-level U.S. Census ACS; health is CDC PLACES; hospital counts reflect facilities in and around the city.

Data Sources

All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2024 5-year estimates, place geography). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Climate data from NOAA. Education data from NCES. Cost of living from Bureau of Economic Analysis. Crime statistics, where referenced on Areazine, originate from the FBI Crime Data Explorer. Housing market figures referenced on Areazine come from HUD Fair Market Rents. Census economics and population are at place geography; some health and hospital indicators are reported at the county level (Kendall County) where that is the smallest published unit.

Every figure on Areazine is published directly from official U.S. government sources, no number is typed in by an editor. City demographic and health figures are compiled directly from U.S. Census, CDC, and CMS releases, updated quarterly within 30 days of upstream release. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.