When was Worcester County founded?

Worcester County was founded in 1742, formed from Somerset County, and named after Mary, Lady Somerset.

What is the county seat of Worcester County?

The county seat of Worcester County is Snow Hill.

Is there an online parcel map for Worcester County?

Yes. A public source publishes a parcel map of 46,271 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.

Has Worcester County's boundary or name changed?

Worcester County was created in 1742 from Somerset County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Wicomico County.

Is my lot in a flood zone?

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

County · code 24047

Worcester CountyMaryland

Worcester County is a county in Maryland, seated in Snow Hill, formed in 1742. The county was named after Mary, Lady Somerset.

Founded1742
County seatSnow Hill
Named forMary, Lady Somerset
Land area468 sq mi + 226 sq mi water
Population52,460 2020 Census
Parcels mapped46,271 checked 15 October 2026

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

Updated 19 October 2026

Census outline · seat marked

History

Formed in 1742 from Somerset County

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

Worcester County was created from Somerset County on December 10, 1742. On October 5, 1867, Worcester County lost territory with the creation of Wicomico County.

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

1742
Worcester County created Worcester created from Somerset.
from Somerset
10 December 1742 · Archives of Md., 42:428, 657
1750
Boundary clarified Worcester boundaries were clarified (no change).
no change
2 June 1750 · Archives of Md., 46:468
1867
Lost territory Worcester lost to creation of Wicomico.
to Wicomico
5 October 1867 · Swindler, 4:476, 479

Land and parcels

What the maps cover in Worcester

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

Parcels Good enough

Lot lines and tax-map numbers for 46,271 parcels. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 1 July 2026 · checked 15 October 2026
Address points Missing

No public address points layer found for Worcester 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

Worcester by the Census

Population

52,460 2020 Census count

Housing units

56,263 2020 Census count

Land area

468 square miles

Water area

226 square miles · 33% of the county, including large bodies of water

People per sq mi

112 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

Worcester 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 Worcester County.
co.worcester.md.us

See your own lot on these maps

Open Worcester 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 Worcester County

When was Worcester County founded?: Worcester County was founded in 1742, formed from Somerset County, and named after Mary, Lady Somerset.
What is the county seat of Worcester County?: The county seat of Worcester County is Snow Hill.
Is there an online parcel map for Worcester County?: Yes. A public source publishes a parcel map of 46,271 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Worcester County's boundary or name changed?: Worcester County was created in 1742 from Somerset County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Wicomico County.
Is my lot in a flood zone?: We do not have flood maps for Worcester County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby