County · code 39051
Fulton CountyOhio
Fulton County is a county in Ohio with its seat in Wauseon. It was formed in 1850.
- Founded1850
- County seatWauseon
- Named forRobert Fulton
- Land area405 sq mi + 1.8 sq mi water
- Population42,713 2020 Census
- Parcels mapped23,609 checked 16 October 2026
Where it is
Fulton 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 1850 from Henry County, Lucas County and Williams County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Fulton County was created on April 1, 1850, from Henry, Lucas, and Williams counties. The county was named after Robert Fulton.
- 1850Fulton County created Fulton created from Henry, Lucas, and Williams. · Ohio Laws 1849, 48th assy., loc., p. 682
Land and parcels
What the maps cover in Fulton
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 23,609 parcels from Fulton County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 16 October 2026 -
Address points Official
One point per address, 21,933 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
Fulton 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.
Permits
County government
- County government
The official website of Fulton County.
See your own lot on these maps
Open Fulton 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 Fulton County
- When was Fulton County founded?
- Fulton County was founded in 1850, formed from Henry County, Lucas County and Williams County, and named after Robert Fulton.
- What is the county seat of Fulton County?
- The county seat of Fulton County is Wauseon.
- Is there an online parcel map for Fulton County?
- Yes. Fulton County publishes a parcel map of 23,609 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Fulton County's boundary or name changed?
- Fulton County was created in 1850 from Henry County, Lucas County and Williams County. The Atlas of Historical County Boundaries records no boundary change since.
- Who issues building permits in Fulton County?
- The county's page on building permits: PErmits Learn More. Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for Fulton County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby