Geographic Information System
Defiance County has a variety of data layers available including:
Aerial Photography
Aerial photography is available from 1997, 2002, 2006, 2008, 2010, 2012, 2016, 2018 and 2021
Contact us for more details on how to obtain data.
Parcel Information
Additional data can be viewed on the Auditor's website.
Other Resources
PUCO has a wide variety of data available for download including utility districts, school districts, topographic maps, roads, railroads, etc.
OGRIP is another state agency involved in distributing GIS data.
Metadata
All of Defiance County's GIS data is projected in Ohio State Plane North, NAD 83, units are in feet