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  2. 1980 United States census - Wikipedia

    en.wikipedia.org/wiki/1980_United_States_census

    It was the first census not to ask for the name of the "head of household." [3] Approximately 16 percent of households received a "long form" of the 1980 census, which contained over 100 questions. Full documentation on the 1980 census, including census forms and a procedural history, is available from the Integrated Public Use Microdata Series.

  3. 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. The first census after the American Revolution was taken in 1790 under Secretary of State Thomas Jefferson. There have been 24 federal censuses since that time. [1]

  4. Topologically Integrated Geographic Encoding and Referencing

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

    This mismatch was not possible when the census TIGER files were available in ASCII format that was topological unlike shapefiles. The Census Bureau has made the data available through WMS servers. [4] The data forms a base for OpenStreetMap in the US, and also was used for the initial import of US map data into the Waze navigation system.

  5. Population and housing censuses by country - Wikipedia

    en.wikipedia.org/wiki/Population_and_housing...

    From 1950 onward, census forms were mailed to every address on record with the United States Post Office, including the Armed Services Postal System, in an effort to enhance completeness of the data collected. Beginning in 1970, it was made illegal to fail to return a completed census form.

  6. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    The site enables you to find more than just reverse lookup names; you can search for addresses, phone numbers and email addresses. BestPeopleFinder gets all its data from official public, state ...

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

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

    As required by the United States Constitution, a census has been conducted every 10 years since 1790. Although the decennial census collects a variety of information that has been used in demographic studies, marketing, and other enterprises, the purpose of the census as stated in the Constitution is to produce an "actual enumeration" of the ...

  8. Template : Population of Michigan cities and counties (1980 ...

    en.wikipedia.org/wiki/Template:Population_of...

    The following is a list of cities in Michigan with a population of at least 50,000 based on 1980 U.S. Census data. Historic census data from 1970 and 1990 is included to reflect trends in population increases or decreases. Cities that are part of the Detroit metropolitan area are shaded in tan.

  9. United States Census Bureau - Wikipedia

    en.wikipedia.org/wiki/United_States_Census_Bureau

    Works by United States Census Bureau at LibriVox (public domain audiobooks) 72-year rule. PDF of Availability of Census Records About Individuals; PDF of Letter from Census Bureau Director, Roy V. Peel to Archivist of the United States, Wayne C. Grover, concerning the 72-year lapse between collection and release of decennial census records