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Census demonstrates TigerWeb, map viewers and housing‑unit change tools

U.S. Census Bureau Geo Forum · August 4, 2026

Summary

The Bureau showcased TigerWeb and related viewers (including a housing‑unit change viewer and ROAM), described CAMPS automation and noted a future TigerWeb redesign will add a sharable extent URL; presenters showed an example block with 163 added housing units since 2000 (a 543% increase).

Suzanne McCardell demonstrated the TigerWeb platform and several interactive viewers, highlighting user guides, web services and automated map production.

"We have a number of different resources, including a user guide, down below," McCardell said while demonstrating TigerWeb and the housing‑unit change viewer. She showed how TigerWeb exposes a block's fully qualified GEOID and related attributes and walked through a housing‑unit‑change example for the Suitland area. In the housing‑unit change viewer she displayed a block with historical counts showing an increase of 163 housing units since 2000, which the viewer reports as a 543% increase.

McCardell also described the Census Automated Map Production System (CAMPS) used to produce large map suites (including over 408,000 map sheets for redistricting products) and explained that the public TigerWeb currently lacks the ability to persist a sharable URL with a map extent, but that a reengineered TigerWeb planned for the future will include a shareable extent and other improvements. She invited users to explore the viewers and to submit feedback via the Bureau's customer engagement channels.

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