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  2. National Historical Geographic Information System - Wikipedia

    en.wikipedia.org/wiki/National_Historical...

    The National Historical Geographic Information System (NHGIS) is a historical GIS project to create and freely disseminate a database incorporating all available aggregate census information for the United States between 1790 and 2010. The project has created one of the largest collections in the world of statistical census information, much of ...

  3. Census tract - Wikipedia

    en.wikipedia.org/wiki/Census_tract

    A census tract, census area, census district or meshblock [1] is a geographic region defined for the purpose of taking a census. [2] Sometimes these coincide with the limits of cities , towns or other administrative areas [ 2 ] and several tracts commonly exist within a county.

  4. State censuses in the United States - Wikipedia

    en.wikipedia.org/wiki/State_censuses_in_the...

    Indeed, the 1892 New York state census contained only seven questions — name, sex, age, color (race), country of birth, citizenship status, and occupation. [18] Meanwhile, the censuses from 1905 to 1925 asked for relationships of people to each other but also only asked for a country of birth. [ 15 ]

  5. United States census - Wikipedia

    en.wikipedia.org/wiki/United_States_census

    The United States census (plural censuses or census) is a census that is legally mandated by the Constitution of the United States. It takes place every ten years. It takes place every ten years. The first census after the American Revolution was taken in 1790 under Secretary of State Thomas Jefferson .

  6. Category:Lists of census-designated places in the United States

    en.wikipedia.org/wiki/Category:Lists_of_census...

    Pages in category "Lists of census-designated places in the United States" The following 51 pages are in this category, out of 51 total. This list may not reflect recent changes .

  7. List of U.S. states and territories by historical population

    en.wikipedia.org/wiki/List_of_U.S._states_and...

    As the United States has grown in area and population, new states have been formed out of U.S. territories or the division of existing states. The population figures provided here reflect modern state boundaries. Shaded areas of the tables indicate census years when a territory or the part of another state had not yet been admitted as a new state.

  8. Topologically Integrated Geographic Encoding and Referencing

    en.wikipedia.org/wiki/Topologically_Integrated...

    TIGER includes both land features such as roads, rivers, and lakes, as well as areas such as counties, census tracts, and census blocks. Some of the geographic areas represented in TIGER are political areas, including state and federally recognized tribal lands, cities, counties, congressional districts, and school districts.

  9. Wikipedia:Online maps of the United States - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Online_maps_of...

    Researching old maps and cartographic records at the National Archives; NASA World Wind overlays satellite, aerial and topographic maps of the United States; Google Earth: a visual 3D interactive atlas. Atlas World: a directory of atlases currently in print. List of official state road maps of the United States; Scanned official transportation ...