Mercer County GIS Data (Illinois)

Search for Mercer County, IL GIS data. A GIS data search can provide information on GIS maps, property lines, county lines, city lines, public property, elevations, flood zones, school boundaries, earthquake zones, property appraisal values, erosion, water pollutants, topography, soil composition, sewers, public utilities, building hazards, population information, demographic information, place names, public property, parks, campgrounds, trails, trail maps, historic maps, historic GIS maps, town maps, county maps, city maps, and neighborhood boundaries.


An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Mercer County, Illinois. As part of this job, Mercer County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Mercer County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their Mercer County GIS data on their websites.

Aledo Assessor Aledo IL 2582 130th Avenue 61231 309-754-9181

Greene Township Assessor Viola IL 2793 95th Avenue 61486 309-596-2530

Mercer County Assessor's Office Aledo IL 100 Southeast 3rd Street 61231 309-582-7814


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in Mercer County, Illinois. These GIS maps typically include property boundaries, real estate appraisal values, Mercer County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Mercer County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or City Hall website.

Aledo City Hall Aledo IL 120 North College Avenue 61231 309-582-2332

Joy City Hall Joy IL 200 West Main Street 61260 309-584-4127

New Boston City Hall New Boston IL 405 Main Street 61272 309-587-8181

Reynolds City Hall Reynolds IL 222 W Main St 61279 309-372-4600

Seaton Town Hall Seaton IL 201 Maple Street 61476 309-586-5341

Sherrard City Hall Sherrard IL 517 3rd Street 61281 309-593-2415


A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show Mercer County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. Mercer County GIS data is often accessible through the Clerk Office website.

Joy City Clerk Joy IL 200 West Main Street 61260 309-584-4127

Mercer County Clerk Aledo IL PO Box 66 61231 309-582-7021

Sherrard Village Clerk Sherrard IL 517 3rd Street 61281 309-593-2415


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in Mercer County, Illinois. In addition to filing deeds that provide information on property sales and transfers, Recorders of Deeds also have detailed county and local maps, including Mercer County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show Mercer County place names, flood zones, zoning boundaries, neighborhood lines, bodies of water, and other geographic information. The Recorder of Deeds may provide access to GIS data on its website.

Mercer County Recorder of Deeds Aledo IL PO Box 66 61231 309-582-1137