Ohio · FIPS 39013 · County seat: St. Clairsville
Belmont County, OH GIS & Parcel Viewer
Looking for lot lines or a parcel number in Belmont County, OH? The quickest route is the Belmont County parcel map, the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Belmont County parcel map ↗
Opens belcogis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Belmont County parcel map |
|---|---|
| Type | County-run map |
| Website | belcogis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | St. Clairsville |
| Population | 64,918 (2023 Census Bureau estimate) |
| Land area | 532 sq mi |
| FIPS code | 39013 |
About the official source
It is a county-level map: Belmont County or the company it hires keeps the parcel layer up to date. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Belmont County viewer
- Press the button above to open the county's own web map.
- Search for the property or pan and zoom to it.
- Click the lot to bring up what the county publishes about it.
- Look for print or measure tools if you need a quick map or rough size.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
Belmont County had an estimated 64,918 residents in 2023, according to the Census Bureau. With about 532 square miles of land, that works out to roughly 122 people per square mile. Among Ohio's 88 counties, it is the 37th largest by population. The county seat is St. Clairsville.
Counties next to Belmont County
Parcels close to the edge of Belmont County can fall in the next county over. Neighboring counties:
- Guernsey County
- Harrison County
- Jefferson County
- Monroe County
- Noble County
- Marshall County, WV
- Ohio County, WV
Our longer guides
Maps vs. surveys
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.