Oswego
Property Data

Kendall County, Illinois

Explore accurate parcel and ownership records,
directly sourced from county assessors.

Kendall County

ZIP Codesby Total Population

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Total Population
43,04743,047

DistributionTotal Population

No data available

Demographics

Total Population

43,047

Median Age

39.0

Population Under 18

25.9%

Population 65+

11.7%

Total Households

14,469

Average Household Size

2.97

Oswego, IL housing and demographic statistics

ZIP/ZCTA areas can cross city and county boundaries. Each row describes its ZIP/ZCTA area, not the city as a whole. These values are not combined into a city estimate.

Individual ZIP/ZCTA estimates associated with Oswego, IL
ZIP/ZCTAPopulationMedian household incomeMedian monthly gross rentOwner-occupied share
6054343,047$119,371$1,61686.6%

Source: U.S. Census Bureau American Community Survey (ACS), 2020–2024 five-year estimates, via Realie. Measurement period: –. Published by the Census Bureau on ; published by Realie on . These are five-year estimates, not a measurement of current conditions. — indicates unavailable or suppressed data.

Area property statistics

Recorded property characteristics and residential parcel-sale records for Oswego, IL. Sale amounts describe recorded transfers, not asking prices or appraisals. Each measure uses records with that information available.

Sale records use the AVM's residential, amount, floor-area, year-built, price-per-area, deed, buyer-relationship and distress filters. Known multi-parcel deals are also excluded. Unknown package flags are not proof of a single-parcel sale. Counts represent eligible parcel sale records. Recorded annual averages require at least 10 eligible sales. Projections must have enough history and pass checks against earlier recorded sales. Recent sales can be underreported; different coverage between years can affect the changes.

City measurements cover the selected county's portion of the city.

Annual sales comparison

Calendar 2025 recorded sales versus calendar 2026 model projections. Both years cover January 1–December 31. Change compares the 2026 projection with the recorded 2025 value. Annual average amounts weight each month by its sales count; they are not monthly medians.

Calendar-year sales comparison
Metric20252026 projectedChange (%)
Residential sale records441Recorded369Model estimateRange: 296–388-16.3%
Average recorded sale amount$408,216Recorded$441,412Model estimate+8.1%

Projections are not confirmed transactions or property valuations. Recent sales can be underreported; different coverage between years can affect the change. Unsupported values remain unavailable. Ranges reflect historical model errors, not confidence intervals. Annual comparison calculated . Assumed observation cutoff: June 2026; not verified completeness.

Recorded property statistics

Reported property statistics for Oswego, IL
MeasureOswego, ILKendall County, IL
Median recorded sale amount$400,000$372,000
Recorded amount, 10th percentile$265,700$242,000
Recorded amount, 90th percentile$581,600$560,000
Average recorded floor area (sq ft)2,3102,228
Average recorded bedrooms3.43.3
Average recorded bathrooms2.32.3
Median year built20012003
Condominium share of properties1.1%0.4%

Oswego, IL: Recorded median and percentile amounts: May 7, 2025–Oct 28, 2026.

County input file published Oct 23, 2026. Calculated . Published . Dataset last refreshed: .

Kendall County, IL: Recorded median and percentile amounts: May 7, 2025–Oct 28, 2026.

County input file published Oct 23, 2026. Calculated . Published . Dataset last refreshed: .

Source: Realie property-record aggregates. Input publication and calculation dates do not establish complete transaction coverage. Missing measures are shown as — or omitted.

Other recent-period estimates

These use different periods from the calendar-year comparison. Estimates extend parcel-record counts and recorded amounts; they are not confirmed current transactions or individual-property values.

Parcel sale records
Oct 1, 2025–Sep 30, 2026
413
Model estimateHistorical error-adjusted range: 376–425.
Median sale amount
September 2026
$450,500
Model estimateHistorical error-adjusted range: $398,116–$543,250.
Median-amount change
September 2026 versus September 2025
+28.7%
Model estimateHistorical error-adjusted range: +13.7%–+55.2%.

Transaction coverage has not been verified. Known multi-parcel deals are excluded; missing package flags do not establish that every remaining sale covers one parcel. Amount change compares monthly record medians, not the appreciation of the same homes. Ranges reflect historical model errors; they are not confidence intervals and can exclude the point estimate. Assumed observation cutoff: June 2026; not a verified completeness date.

Properties in Oswego

Showing page 287 of properties

804 Barton Drive

Oswego, IL 60543

804 Bellevue Circle

Oswego, IL 60543

804 Blossom Lane

Oswego, IL 60543

804 Bohannon Circle

Oswego, IL 60543

804 Bonaventure Drive

Oswego, IL 60543

804 Colchester Drive

Oswego, IL 60543

804 Cougar Lane

Oswego, IL 60543

804 Georgetown Drive

Oswego, IL 60543

804 Hedgerow Court

Oswego, IL 60543

804 Hudson Drive

Oswego, IL 60543

804 Mystic Court

Oswego, IL 60543

804 Putnam Court

Oswego, IL 60543

804 South Sparkle Court

Oswego, IL 60543

804 South Sparkle Court

Oswego, IL 60543

804 Shadowbrook Court

Oswego, IL 60543

805 Baden Avenue

Oswego, IL 60543

805 Barton Drive

Oswego, IL 60543

805 Blossom Lane

Oswego, IL 60543

805 Bohannon Circle

Oswego, IL 60543

805 Bonaventure Drive

Oswego, IL 60543

805 Canton Drive

Oswego, IL 60543

805 Colchester Drive

Oswego, IL 60543

805 Columbus Drive

Oswego, IL 60543

805 Cougar Lane

Oswego, IL 60543

805 Georgetown Drive

Oswego, IL 60543

805 Hedgerow Court

Oswego, IL 60543

805 Preston Lane

Oswego, IL 60543

805 South Sparkle Court

Oswego, IL 60543

806 Baden Avenue

Oswego, IL 60543

806 Barton Drive

Oswego, IL 60543

806 Bellevue Circle

Oswego, IL 60543

806 Bohannon Circle

Oswego, IL 60543

806 Bonaventure Drive

Oswego, IL 60543

806 Colchester Drive

Oswego, IL 60543

806 Columbus Drive

Oswego, IL 60543

806 Cougar Lane

Oswego, IL 60543

806 Georgetown Drive

Oswego, IL 60543

806 Hedgerow Court

Oswego, IL 60543

806 Hudson Drive

Oswego, IL 60543

806 South Sparkle Court

Oswego, IL 60543

806 Shadowbrook Court

Oswego, IL 60543

806 State Route 25

Oswego, IL 60543

807 Barton Drive

Oswego, IL 60543

807 Bellevue Circle

Oswego, IL 60543

807 Blossom Lane

Oswego, IL 60543

807 Bohannon Circle

Oswego, IL 60543

807 Canton Drive

Oswego, IL 60543

807 Colchester Drive

Oswego, IL 60543

807 Columbus Drive

Oswego, IL 60543

807 Cougar Lane

Oswego, IL 60543

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