Being the resource-rich metropolis that it is, New York City has a wealth of mapping resources of all varieties. Below are links to several good places to start and a special section on September 11.

The New York City Map Portal provides you with access to New York City data and NYC.gov applications with address level data and maps. Find building, property, and community information as well as neighborhood statistics with ease.

The Center for Urban Research at CUNY works with city agencies, non-profits and others to provide access to and analyze data about New York. They have produced (among other fantastic resources) the websites 1940s New YorkChanging NYC Neighborhoods, and OASIS (the Open Accessible Space Information System).

NYC Open Data supplies many sets of public data produced by City agencies and other City organizations.

The NYC Department of City Planning's data page, called BYTES of the Big Apple, has a number of layers of data and other files, most of which are free.

The Newman Library at Baruch College maintains the NYC Geodatabase, which includes geographic features and statistical areas from the US Census Bureau, transit and public facility point features from the City, and census data at the PUMA, ZIP / ZCTA, and census tract levels.  Baruch also has additional transit and real estate layers.

The Virtual Terrain Project maintains an extensive (and opinionated) web site index to map and data resources for New York State and locations within the state, including extensive NYC sites and a special section on the World Trade Center.

Thirty-two historical maps of New York City from 1776 to 1918 are now available for viewing as a special collection within the David Rumsey Map Collection. You will need to install a free browser plugin to view these maps.

Here's an index of (mostly) historical maps of New York State maintained by the Stony Brook University Map Library.

The New York State Museum offers many layers of map data on its GIS Datasets page.

Resources on the Attacks of September 11, 2001

The September 11 Digital Archive uses electronic media to collect and present the history of the attacks.

A wonderful resource for all kinds of maps, the Perry-Castañeda Map Collection at UT-Austin has a special collection of September 11th-related maps.

The Library of Congress maintains a special page of September 11th-related acquisitions called Witness and Response, including the Geography and Map Division.

The Smithsonian Institute also has a number of maps related to September 11th.

Last updated: February 8, 2023


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