When was Scott County founded?

Scott County was founded in 1839, formed from Morgan County, and named after Scott County, Kentucky.

What is the county seat of Scott County?

The county seat of Scott County is Winchester.

Is there an online parcel map for Scott County?

Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.

Has Scott County's boundary or name changed?

Scott County was created in 1839 from Morgan County. The Atlas of Historical County Boundaries records no boundary change since.

Is my lot in a flood zone?

We do not have flood maps for Scott County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

County · code 17171

Scott CountyIllinois

Scott County is a county in Illinois with its seat in Winchester. It was created from Morgan County on February 16, 1839.

Founded1839
County seatWinchester
Named forScott County, Kentucky
Land area251 sq mi + 1.9 sq mi water
Population4,949 2020 Census

Open the free map Click any parcel in Scott County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated 19 October 2026

Census outline · seat marked

History

Formed in 1839 from Morgan County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Scott County was created from Morgan County in 1839.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

1839
Scott County created Scott created from Morgan.
from Morgan
16 February 1839 · Ill. Laws 1838-1839, pp. 126-130

Land and parcels

What the maps cover in Scott

Who publishes each layer, how good it is, and when we last checked.

Parcels Missing

No public parcel map found for Scott County yet. Lot lines and owners of record are kept by the county (scottco.org).
Address points Missing

No public address points layer found for Scott County yet.
Buildings Reference

Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026

Official: from the office that keeps the record
Good enough: a reliable statewide or national copy
Fallback: a guide only; check the official record
Missing: nothing public found yet

People and land

Scott by the Census

Population

4,949 2020 Census count

Housing units

2,388 2020 Census count

Land area

251 square miles

Water area

1.9 square miles

People per sq mi

20 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Scott County's official site

We have found the county's site but not its offices yet; start there.

County government

County government
The official website of Scott County.
scottco.org

See your own lot on these maps

Open Scott County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.

Open the free map no sign-in Pro early access

Questions

Common questions about Scott County

When was Scott County founded?: Scott County was founded in 1839, formed from Morgan County, and named after Scott County, Kentucky.
What is the county seat of Scott County?: The county seat of Scott County is Winchester.
Is there an online parcel map for Scott County?: Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
Has Scott County's boundary or name changed?: Scott County was created in 1839 from Morgan County. The Atlas of Historical County Boundaries records no boundary change since.
Is my lot in a flood zone?: We do not have flood maps for Scott County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby