1. Champaign County IL Geodatabase September 2025
A file geodatabase (approximately 1 GB). A file geodatabase can be consumed by such programs as ArcGIS Desktop.The geodatabase will contain vector data related to the county – items such as property boundaries, annexations, municipal boundaries, street centerlines, etc.
This file will need to be periodically updated as the data is constantly changing.
2. 2023 ortho-image mosaic Champaign County IL
A compressed 2023 ortho-imagery in JP2 format at a compression ratio of 30:1 (~16.5GB)
The mosaic is in the following projection: NAD_1983_StatePlane_Illinois_East_FIPS_1201_Feet
3. 2020 ortho-image mosaic Champaign County IL
A compressed 2020 ortho-image 4-band mosaic of the County in JP2 format at a compression of 40:1 (approximately 12.5 GB)
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