Quincy
Property Data

Adams County, Illinois

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directly sourced from county assessors.

Adams County

ZIP Codesby Total Population

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Total Population
19,03630,746

DistributionTotal Population

Demographics

Total Population

49,782

Median Age

42.5

Population Under 18

22.0%

Population 65+

21.4%

Total Households

21,856

Average Household Size

2.24

Quincy, 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 Quincy, IL
ZIP/ZCTAPopulationMedian household incomeMedian monthly gross rentOwner-occupied share
6230130,746$52,055$81558.9%
6230519,036$83,598$92684.7%

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 Quincy, 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 records23Recorded——
Average recorded sale amount$225,689Recorded——

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 Quincy, IL
MeasureQuincy, ILAdams County, IL
Median recorded sale amount$182,500$180,000
Recorded amount, 10th percentile$142,000$141,600
Recorded amount, 90th percentile$345,000$344,000
Average recorded floor area (sq ft)1,7391,726
Average recorded bedrooms33
Average recorded bathrooms2.12.1
Median year built19661969
Condominium share of properties1.2%0.7%

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

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

Adams 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.

No supported recent-period estimates are available for this area. Recorded statistics above remain available.

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 Quincy

Showing page 328 of properties

5011 Chestnut Street

Quincy, IL 62305-1163

5011 Hanley Road

Quincy, IL 62305

5011 Lake Ridge Drive

Quincy, IL 62305

5011 Starboard Drive

Quincy, IL 62305

5012 Chestnut Street

Quincy, IL 62305

5012 College Avenue

Quincy, IL 62305

5012 Lake Ridge Drive

Quincy, IL 62305

5012 Starboard Drive

Quincy, IL 62305

5012 West 5th Street

Quincy, IL 62305

5013 Chestnut Street

Quincy, IL 62305-1163

5013 Lake Ridge Drive

Quincy, IL 62305

5014 Broadway Street

Quincy, IL 62305

5014 College Avenue

Quincy, IL 62305

5014 College Avenue

Quincy, IL 62305-2809

5014 Lake Ridge Drive

Quincy, IL 62305

5015 Chestnut Street

Quincy, IL 62305-1163

5015 Lake Ridge Drive

Quincy, IL 62305

5015 Sunview Drive

Quincy, IL 62305

5015 West Saint Anthony Road

Quincy, IL 62305

5016 Chestnut Street

Quincy, IL 62305

5016 College Avenue

Quincy, IL 62305

5016 Lake Ridge Drive

Quincy, IL 62305

5016 Starboard Drive

Quincy, IL 62305

5017 Chestnut Street

Quincy, IL 62305-1163

5017 Lake Ridge Drive

Quincy, IL 62305

5017 Lookout Ridge

Quincy, IL 62305

5017 Lookout Ridge

Quincy, IL 62305

5017 North 12th Street

Quincy, IL 62305

5017 North 72nd Street

Quincy, IL 62305

5018 Chestnut Street

Quincy, IL 62305

5018 College Avenue

Quincy, IL 62305

5018 Lake Ridge Drive

Quincy, IL 62305

5019 Chestnut Street

Quincy, IL 62305-1163

5019 Hanley Road

Quincy, IL 62305

5019 Lake Ridge Drive

Quincy, IL 62305

502 Adams Street

Quincy, IL 62301

502 Donegal Drive

Quincy, IL 62305

502 Hampshire Street

Quincy, IL 62301

502 Highway 57

Quincy, IL 62305

502 Jefferson Street

Quincy, IL 62301

502 North 12th Street

Quincy, IL 62301

502 North 28th Street

Quincy, IL 62301

502 South 43rd Street

Quincy, IL 62305

502 South 7th Street

Quincy, IL 62301

502 York Street

Quincy, IL 62301

5020 College Avenue

Quincy, IL 62305

5020 Columbus Road

Quincy, IL 62305

5020 Hanley Road

Quincy, IL 62305

5020 Lake Ridge Drive

Quincy, IL 62305

5020 North 12th Street

Quincy, IL 62305

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