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County · code 51001

Accomack CountyVirginia

Accomack County is a county in Virginia established in 1663, with its seat in Accomac. Named after Accomac Shire, the county covers 449.3 square miles and had a population of 33,413 in 2020.

  • Founded1663
  • County seatAccomac
  • Named forAccomac Shire
  • Land area449 sq mi + 861 sq mi water
  • Population33,413 2020 Census
  • Parcels mapped48,337 checked 15 October 2026
Open the free map Click any parcel in Accomack County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Somerset, MDNorthamptonMathewsNorthumberlandWorcester, MDLancasterMiddlesexSt. Mary's, MD Accomac Census outline · seat marked

Where it is

Accomack 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 · Accomack highlighted

History

Founded in 1663

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

Accomack County was created from Northampton County in 1663. In 1879, the county gained a small portion of the southern end of Smith's Island from Somerset County, Maryland, when the United States approved the Maryland-Virginia boundary as settled by arbitration in 1877.

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

  1. c. 1663
    Accomack County created Accomack created from Northampton.
    from Northampton
    · Robinson, 42, 73
  2. 1879
    Gained territory Accomack gained a small portion of the southern end of Smith's Island from Somerset (Maryland) when the United States approved the Maryland-Virginia boundary down the south side of the Potomac River and across Chesapeake Bay, as settled in 1877 by arbitration.
    from Somerset (Md.)
    · Paullin, 85; Van Zandt, 87

Land and parcels

What the maps cover in Accomack

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

Accomack by the Census

Population
33,413 2020 Census count
Housing units
21,703 2020 Census count
Land area
449 square miles
Water area
861 square miles · 66% of the county, including large bodies of water
People per sq mi
74 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.

Permits

County government

See your own lot on these maps

Open Accomack 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 Accomack County

When was Accomack County founded?
Accomack County was founded in 1663, and named after Accomac Shire.
What is the county seat of Accomack County?
The county seat of Accomack County is Accomac.
Is there an online parcel map for Accomack County?
Yes. Virginia Geographic Information Network (VGIN), Virginia Department of Emergency Management publishes a parcel map of 48,337 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Accomack County's boundary or name changed?
Accomack County was created in 1663. Since then the Atlas of Historical County Boundaries records 1 later change, most of them small boundary adjustments, chiefly involving Somerset (Md.) County.
Who issues building permits in Accomack County?
The county's page on building permits: ACCESS Online 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 Accomack 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