Work with interactive mapping tools from across the Census Bureau.
Collection of audio features and sound bites.
The Census Bureau packages data and information into easy-to-understand visuals.
Browse Census Bureau images.
Read briefs and reports from Census Bureau experts.
Watch Census Bureau vignettes, testimonials, and video files.
Read research analyses from Census Bureau experts.
Developer portal to access services and documentation for the Census Bureau's APIs.
Explore Census Bureau data on your mobile device with interactive tools.
Find a multitude of DVDs, CDs and publications in print by topic.
These external sites provide more data.
Download extraction tools to help you get the in-depth data you need.
Explore Census data with interactive visualizations covering a broad range of topics.
How we provide the best mix of timeliness, relevancy, quality, and cost for the data we collect.
Learn about other opportunities to collaborate with us.
Explore the rich historical background of an organization with roots almost as old as the nation.
Explore prospective positions available at the Census Bureau.
Explore Census programs targeted for particular needs.
Discover the latest in Census Bureau data releases, reports, and events.
The Census Bureau's Director writes on how we measure America's people, places and economy.
Find interesting and quirky statistics regarding national celebrations and major events.
Listen to audio files on fun facts, historical figures, and celebrations of the month.
Find media toolkits, advisories, and all the latest Census news.
See what's coming up in releases and reports.
Thomas Commerford Martin (1856-1924) was an London, England-born electrical engineer and editor who worked with Thomas A. Edison from 1877 to 1879. From 1883 to 1909 he served as editor of the Electrical World, executive secretary of the National Electric Light Association in 1909, and from 1900 to 1911 was a special agent of the U.S. Census Bureau. He also lectured at the Royal Institution of Engineers, London, the Paris Société Internationale des Electriciens, the University of Nebraska, and Columbia. In 1887-1888 he served as president of the American Institute of Electrical Engineers. He was author of The Electric Motor and Its Applications (1887), Inventions, Researches, and Writings of Nikola Tesla (1893) and Edison: His Life and Inventions (1910).