Explore Harrisburg in 1900: An Interactive Map of Buildings and Population

Super cool use of GIS and historical census records. Making history come alive!

Digital Harrisburg

The Digital Harrisburg working group is pleased to announce a beta version of an interactive map of Harrisburg in 1900/1901 hosted at ArcGIS Online. This map and the data it contains was developed as a collaboration between faculty and students at Messiah College and Harrisburg University of Science and Technology. The  Historical Society of Dauphin County generously provided JPEG scans of the entire 1901 Harrisburg Title Company Atlas (the layer visible as the historical map of the city) and Ancestry.com provided access to the United States census data records for 1900. Working from the census data, Messiah College students created a complete database of the population in 1900, while GIS students from Messiah and Harrisburg University created building polygons and individual census record points in GIS mapped to the level of individual properties.

What you can do with the site:

The interactive website offers a high-resolution map of…

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