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County · code 42059

Greene CountyPennsylvania

Greene County is a county in Pennsylvania, on the border with West Virginia, founded in 1796, with its seat at Waynesburg.

  • Founded1796
  • County seatWaynesburg
  • Named forNathanael Greene
  • Land area576 sq mi + 2.1 sq mi water
  • Population35,954 2020 Census
  • Parcels mapped30,863 checked 16 October 2026
Open the free map Click any parcel in Greene County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

Monongalia, WVWashingtonWetzel, WVFayette Waynesburg Census outline · seat marked

Where it is

Greene on the map of Pennsylvania

Pennsylvania has 67 counties and county equivalents, each with its own records office. Shapes with a page are links.

Adams CountyAllegheny CountyArmstrong CountyBeaver CountyBedford CountyBerks CountyBlair CountyBradford CountyBucks CountyButler CountyCambria CountyCameron CountyCarbon CountyCentre CountyChester CountyClarion CountyClearfield CountyClinton CountyColumbia CountyCrawford CountyCumberland CountyDauphin CountyDelaware CountyElk CountyErie CountyFayette CountyForest CountyFranklin CountyFulton CountyHuntingdon CountyIndiana CountyJefferson CountyJuniata CountyLackawanna CountyLancaster CountyLawrence CountyLebanon CountyLehigh CountyLuzerne CountyLycoming CountyMcKean CountyMercer CountyMifflin CountyMonroe CountyMontgomery CountyMontour CountyNorthampton CountyNorthumberland CountyPerry CountyPhiladelphia CountyPike CountyPotter CountySchuylkill CountySnyder CountySomerset CountySullivan CountySusquehanna CountyTioga CountyUnion CountyVenango CountyWarren CountyWashington CountyWayne CountyWestmoreland CountyWyoming CountyYork CountyGreene County Greene
Counties of Pennsylvania · Greene highlighted

History

Formed in 1796 from Washington County

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

Greene County was created from Washington County in 1796. In 1802, Greene lost territory to Washington County.

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

  1. 1796
    Greene County created Greene created from Washington.
    from Washington
    · Pa. Stat., ch. 1870, sec. 1/15:380-381
  2. 1802
    Lost territory Greene lost to Washington.
    to Washington
    · Pa. Stat., ch. 2223, secs. 1-2/17:40-41
  3. 1807
    Changed Middle of Monongahela River fixed as boundary of adjoining counties, including Greene (no change). · Pa. Stat., ch. 2863, sec. 1/18:644
  4. 1887
    Boundary clarified Boundary between Greene and Washington clarified (no change).
    with Washingtonno change
    · "Report of Commissioners, May 1900." Pa. State Arch., Land Office Recs., no. 66, item 3

Land and parcels

What the maps cover in Greene

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

Greene by the Census

Population
35,954 2020 Census count
Housing units
16,138 2020 Census count
Land area
576 square miles
Water area
2.1 square miles
People per sq mi
62 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 Greene 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 Greene County

When was Greene County founded?
Greene County was founded in 1796, formed from Washington County, and named after Nathanael Greene.
What is the county seat of Greene County?
The county seat of Greene County is Waynesburg.
Is there an online parcel map for Greene County?
Yes. A public source publishes a parcel map of 30,863 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Greene County's boundary or name changed?
Greene County was created in 1796 from Washington County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Washington County.
Who issues building permits in Greene County?
The county's page on building permits: Firearms/Gun Permit. Inside a city or town, ask that city first.
Is my lot in a flood zone?
We do not have flood maps for Greene 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