“Serving our community one map
at a time”

Mapping Tompkins County !

Map 3dWelcome to the Tompkins County GIS Portal! The Tompkins County GIS Portal (TCGIS Portal) is the gateway to GIS Mapping Resources and Geo-spatial data in Tompkins County.

This GIS Portal provide you with access to:

  • Our extensive Map Library- Free download in Adobe PDF format
  • Historic Maps for purchase via the History center) Maps in PDF format
  • Free data for download (requires GIS Software)
  • Free interactive maps (like Google maps but with specific local data)
  • Access to Our Staff & Services- We enjoy serving you

Quick Blurb About GIS (Geographic Information System)

A GIS is a computer system capable of capturing, storing, analyzing, and displaying geographically referenced information; that is, data identified according to location. Practitioners also define a GIS as including the procedures, operating personnel, and spatial data that go into the system...”-http://egsc.usgs.gov/isb/pubs/gis_poster/

GlobeGIS In Tompkins County

Tompkins County began its GIS efforts in the mid 1990s when the Assessment Department started the process of converting paper tax maps to digital format. Over the course of the past fifteen years, the County has developed a robust GIS that is used by many county departments as well as local governments. The GIS Division is part of the Department of Information Technology and serves as the lead agency for GIS for Tompkins County. In additiin to maintaining the Counties taxmaps, the GIS Division is responsible for:

  • Development and Maintenance of Countywide Address Data;
  • Application Support for Public Safety and Emergency Response;
  • Ad hoc map creation for County agencies, local governments, non-profit organizations, educational institutions, and the general public;
  • Data distribution through online data repositoriesl
  • Web application development and support for county departments, local governments, and the general public;
  • Development of new data layers as requested;
  • GIS software license Administration and;
  • Management and day-to-day maintanance of the Counties Enterpise-wide GIS

List IconMission Statement

Web logo buttonThe mission of Tompkins County GIS is to serve the public and private sectors of Tompkins County and elsewhere through the distribution of relevant GIS data and mapping resources on an ongoing basis.

Update IconRecent Updates

  • Contour 2' Contours Available For Download- Detailed 2' contours derieved from Fall 2008 LIDAR data are now available for download at CUGIR. Please note that data is in ESRI shapefile format. We are no longer processing requests for individual LIDAR tiles. You may acquire the whole dataset if you wish to do so and create your own tiles for individual projects...
  • Parcel2011 Parcel Data layer Available- 2011 Parcel layer is now available for download in DWG and ESRI Shapefile format at CUGIR.