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1. Is the data available for download?

Some assessment data can be downloaded through the mapping by clicking the "save" button on the parcels identify results screen. Contact the GIS department for fees for obtaining geographic and/or tabular ownership data.

2. When was the aerial photography taken?

April 2022.

3. What projection and coordinate system does Henry County use?

Transverse Mercator projection, North American Datum 1983, State Plane Illinois West.

4. What is a shapefile?

The shapefile is a widely used file format for exchanging GIS data between GIS and CAD systems. One shapefile consists of several individual files pertaining to one feature class, like parcel polygon.

5. What are the fees to obtain data from the GIS department?

There are four general fees: maps, reports, cadastral data, and tabular data.

• Maps A typical letter size page is $3.50 while a 34" x 44" plotted page is $24
• Reports $2 plus $0.05 per letter page
• Cadastral data Is calculated at $25 plus $0.10 per parcel
• Tabular data is calculated at $25 plus $0.05 per record for 1-3000 records, $150 plus $0.04 per record for 3001 to 7000, $310 plus $0.03 per record for 7001 to 15000, or $550 plus $0.02 per record for 150001 or more records