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County · code 51193

Westmoreland CountyVirginia

Westmoreland County is a county in Virginia with its seat in Montross, formed in 1653.

  • Founded1653
  • County seatMontross
  • Named forWestmorland, England
  • Land area229 sq mi + 24 sq mi water
  • Population18,477 2020 Census
  • Parcels mapped26,438 checked 15 October 2026
Open the free map Click any parcel in Westmoreland County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

RichmondEssexSt. Mary's, MDKing GeorgeCharles, MDNorthumberland Montross Census outline · seat marked

Where it is

Westmoreland on the map of Virginia

Virginia has 133 counties and county equivalents, each with its own records office. Shapes with a page are links.

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Counties of Virginia · Westmoreland highlighted

History

Founded in 1653

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

Westmoreland County was formed in 1653, and named after Westmorland, England. Montross is the county seat.

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

  1. c. 1653
    Westmoreland County created Westmoreland created from Northumberland.
    from Northumberland
    · Hening, 1:381; Robinson, 71
  2. c. 1664
    Lost territory Westmoreland lost to creation of Stafford.
    to Stafford
    · Robinson, 68, 87; Warner, 21
  3. 1738
    Boundary clarified Boundaries of Westmoreland with Richmond and King George clarified (no change).
    with Richmondwith King Georgeno change
    · Eaton, 1-2
  4. 1778
    Exchanged territory Westmoreland exchanged with King George.
    with King George
    · Hening, 9:432

Land and parcels

What the maps cover in Westmoreland

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

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

Westmoreland by the Census

Population
18,477 2020 Census count
Housing units
11,129 2020 Census count
Land area
229 square miles
Water area
24 square miles
People per sq mi
81 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

Who to ask before you build, dig or sell

Official county pages only. We link to them; we do not copy them, because they change.

Inside a city or town, permits usually come from that city rather than the county.

Records

Permits

Zoning and code

County government

See your own lot on these maps

Open Westmoreland 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.

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Questions

Common questions about Westmoreland County

When was Westmoreland County founded?
Westmoreland County was founded in 1653, and named after Westmorland, England.
What is the county seat of Westmoreland County?
The county seat of Westmoreland County is Montross.
Is there an online parcel map for Westmoreland County?
Yes. Virginia Geographic Information Network (VGIN), Virginia Department of Emergency Management publishes a parcel map of 26,438 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Westmoreland County's boundary or name changed?
Westmoreland County was created in 1653. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving King George County and Stafford County.
Who issues building permits in Westmoreland County?
The county's page on building permits: Citizen's Permit Portal. Inside a city or town, ask that city first.
Is my lot in a flood zone?
We do not have flood maps for Westmoreland County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door