Ohio · FIPS 39037 · County seat: Greenville
Darke County, OH GIS & Parcel Viewer
Looking for lot lines or a parcel number in Darke County, OH? The quickest route is Ohio Statewide Parcels layer (ArcGIS Map Viewer), the statewide parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Darke County statewide map ↗
Opens arcgis.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Ohio Statewide Parcels layer (ArcGIS Map Viewer) |
|---|---|
| Type | Statewide map (covers all of Ohio) |
| Website | arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Greenville |
| Population | 51,415 (2023 Census Bureau estimate) |
| Land area | 598 sq mi |
| FIPS code | 39037 |
About the official source
This is a statewide map, not a county site. Ohio Statewide Parcels layer (ArcGIS Map Viewer) covers parcels across Ohio, and Darke County is one part of it. A statewide layer can trail the county's own books by weeks or months, so treat it as a fast first look rather than the final word. Our October 2026 check found the map open to the public, with no account or payment needed.
Searching for a parcel, step by step
- Press the button to load the statewide viewer, then move the map to Darke County.
- Use the viewer's search tool to find an address or parcel, if it has one.
- Click a lot to read its details.
- For deeds, taxes or official copies, take the parcel number to the county's own offices.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
The county in brief
Census Bureau figures put Darke County at about 51,415 people (2023 estimate) on roughly 598 square miles of land, which is about 86 residents per square mile. Among Ohio's 88 counties, it is the 49th largest by population. Greenville serves as the county seat.
Neighboring counties
Parcels close to the edge of Darke County can fall in the next county over. Neighboring counties:
- Mercer County
- Miami County
- Montgomery County
- Preble County
- Shelby County
- Jay County, IN
- Randolph County, IN
- Wayne County, IN
Before you rely on the lines
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.