Rock Island County GIS Data (Illinois)

Search for Rock Island 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 Rock Island County, Illinois. As part of this job, Rock Island County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Rock Island 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 Rock Island County GIS data on their websites.

Blackhawk Township Assessor Milan IL 234 4th Street West 61264 309-787-4784

Coal Valley Township Assessor Coal Valley IL 900 1st Street 61240 309-799-7110

Hampton Assessor East Moline IL 209 19th Street 61244 309-755-2944

Rock Island County Assessor's Office Rock Island IL 1504 3rd Avenue 61201 309-558-3660

South Moline Township Assessor Moline IL 2515 53rd Street 61265 309-736-0814


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 Rock Island 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. Rock Island County GIS data is often accessible through the Clerk Office website.

Andalusia Village Clerk Andalusia IL 221 1st Street 61232 309-798-2215

Hillsdale Village Clerk Hillsdale IL 415 Main Street 61257 309-658-2433

Moline City Clerk Moline IL 619 16th Street 61265 309-797-0434

Rock Island County Clerk Rock Island IL 1504 3rd Avenue 61201 618-277-6600

Silvis City Clerk Silvis IL 121 11th Street 61282 309-792-9181


A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Rock Island County, Illinois. As part of that job, Building Departments maintain GIS data that can include Rock Island County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show Rock Island County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

East Moline Building Department East Moline IL 912 16th Avenue 61244 309-752-1509

East Moline Zoning East Moline IL 912 16th Avenue 61244 309-752-1590

Moline Zoning Moline IL 619 16th Street 61265 309-524-2036

Silvis Building Department Silvis IL 121 11th Street 61282 309-792-4808


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 Rock Island County, Illinois. These GIS maps typically include property boundaries, real estate appraisal values, Rock Island County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Rock Island 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.

Moline City Hall Moline IL 1616 6TH Ave 61265 309-797-0481

Rock Island City Hall Rock Island IL 1528 3rd Avenue 61201 309-732-2000

Silvis City Hall Silvis IL 121 11th Street 61282 309-792-9181


The Army Corps of Engineers is a federal agency that provides engineering services, including managing ports and waterways, protecting against floods and storm damage, and maintaining public recreation areas in Rock Island County, Illinois. The Army Corps of Engineers keeps Rock Island County GIS maps that show navigable waters, tributaries, water depths, bridges, and ports, as well as information on flood zones, dams, and hydroelectric plants. GIS maps of Army Corps recreation areas can include bodies of water, shelters, campgrounds, elevations, and trails. These Rock Island County maps may be available on the Army Corps of Engineers website.

Rock Island Army Corps of Engineers Rock Island IL 1830 2nd Avenue 61201 309-794-5351


An Auditor Office provides oversight for government agencies, including evaluating the performance of government offices and their compliance with laws, rules, and regulations in Rock Island County, Illinois. Auditors also investigate corruption and fraudulent activities. Auditor Offices maintain a number of records related to their local area, which can include GIS data that shows Rock Island County property boundaries, city or county lines, flood zones, earthquake zones, and property taxes. These Rock Island County maps may also provide place names, bodies of water, and other geographic information. Auditors may provide online access to their GIS maps.

Rock Island County Auditor Rock Island IL 1504 3rd Avenue 61201 309-558-3518


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in Rock Island 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 Rock Island County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show Rock Island 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.

Rock Island County Recorder-Deed Rock Island IL 210 15th Street 61201 309-558-3360