A screenshot of the History Portal viewed through a web browser. (Reporter photo)
Posted By: The Reporter October 29, 2025
Surveyor’s Office offers History Portal Map Viewer
Submitted
The History Portal is an online map viewer that displays places and features as outlined on a variety of map sources through the years. The purpose of this portal is to reflect historical maps and records in the context of today’s Hamilton County. The web viewer can be found on the Surveyor’s Office landing page of the Hamilton County Geo Hub.
The map viewer offers a variety of information. A partial listing of map layers includes National Register of Historic Places and Districts; Sanborn Fire Insurance Maps and Buildings; Historical Transportation; Original Land Grants, Saw & Grist Mills; Churches; Cemeteries; Significant Businesses; and Population Data. These map layers provide a time capsule of information from 1823 to 1922.
The map viewer also offers aerial imagery at various times since 1936.
The data was collected and mapped over a period of years beginning in 2013. The work on the project was a collaborative effort by GIS Specialists in the Hamilton County Surveyor’s Office: Darren Wilson, Val Swift, Suzie Mills.
Duncan
“The goal of this project was to provide information for users to visualize the various historical periods geographically and gain new insights into Hamilton County’s history,” County Surveyor Gary Duncan said. “I would like to thank Kent Ward, the former County Surveyor, for his support of the project, and would like to thank Suzie, Val, and Darren for all their work over the years to complete this project. The County has a long and great history, and it is fantastic that we could present some of that history in a format where we can compare that to what exists today.”
For more information on the History Portal, go to geohub.hamiltoncounty.in.gov.
