County · code 39047
Fayette CountyOhio
Fayette County is a county in Ohio with its seat at Washington Court House. It was created in 1810 and named after Gilbert du Motier, Marquis de Lafayette.
- Founded1810
- County seatWashington Court House
- Named forGilbert du Motier, Marquis de Lafayette
- Land area406 sq mi + 0.7 sq mi water
- Population28,951 2020 Census
- Parcels mapped18,409 checked 16 October 2026
Where it is
Fayette on the map of Ohio
Ohio has 88 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1810 from Highland County and Ross County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Fayette County was created on March 1, 1810, from Highland and Ross counties.
- 1810Fayette County created Fayette created from Highland and Ross. · Ohio Laws 1809, 8th assy., ch. 39, secs. 1-2/pp. 138-139; Chase 3:ch. 382/p. 2113
Land and parcels
What the maps cover in Fayette
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Good enough
Lot lines and tax-map numbers for 18,409 parcels from Fayette County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 1 September 2026 · checked 16 October 2026 -
Address points Official
One point per address, 14,383 in all from Ohio Geographically Referenced Information Program (OGRIP), Ohio DAS/OIT (state GIS office).
edited 24 June 2025 · checked 13 October 2026 -
Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- 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
Fayette by the Census
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
Zoning and code
GIS and maps
County government
- County government
The official website of Fayette County.
See your own lot on these maps
Open Fayette 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.
Questions
Common questions about Fayette County
- When was Fayette County founded?
- Fayette County was founded in 1810, formed from Highland County and Ross County, and named after Gilbert du Motier, Marquis de Lafayette.
- What is the county seat of Fayette County?
- The county seat of Fayette County is Washington Court House.
- Is there an online parcel map for Fayette County?
- Yes. Fayette County publishes a parcel map of 18,409 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Fayette County's boundary or name changed?
- Fayette County was created in 1810 from Highland County and Ross County. The Atlas of Historical County Boundaries records no boundary change since.
- Who issues building permits in Fayette County?
- The county's page on building permits: Permits. Inside a city or town, ask that city first.
- Who issues septic and well permits in Fayette County?
- The county's page on septic systems and wells: Health department: septic and well.
- Is my lot in a flood zone?
- We do not have flood maps for Fayette County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby