Annual Resident Population Estimates, Estimated Components of Resident Population Change, and Rates of the Components of Resident Population Change for United States, States, Counties, and Puerto Rico: April 1, 2010 to July 1, 2015 // Source: U.S. Census Bureau, Population Division // The contents of this file are released on a rolling basis from December through March. // Note: Total population change includes a residual. This residual represents the change in population that cannot be attributed to any specific demographic component.

Monthly Population Estimates by Universe, Age, Sex, Race, and Hispanic Origin for the United States: April 1, 2010 to December 1, 2016 // Source: U.S. Census Bureau, Population Division // The contents of this file are released on a rolling basis from December through June. // Note: 'In combination' means in combination with one or more other races. The sum of the five race-in-combination groups adds to more than the total population because individuals may report more than one race. Hispanic origin is considered an ethnicity, not a race. Hispanics may be of any race.

Annual Population Estimates for United States, States, Counties, and Subcounty Places, and for Puerto Rico and Its Municipios: April 1, 2010 to July 1, 2015// Source: U.S. Census Bureau, Population Division // The contents of this file are released on a rolling basis from December through May. // Note: The estimates are based on the 2010 Census and reflect changes to the April 1, 2010 population due to the Count Question Resolution program and geographic program revisions. // Persons on active duty in the Armed Forces were not enumerated in the 2010 Census.

Annual Intercensal Resident Population Estimates by Single Year of Age, Sex, Race, and Hispanic Origin for the United States, and by Single Year of Age and Sex for Puerto Rico Commonwealth: April 1, 2000 to April 1, 2010 // Source: U.S. Census Bureau, Population Division // Note: 'In combination' means in combination with one or more other races. The sum of the five race-in-combination groups adds to more than the total population because individuals may report more than one race. Hispanic origin is considered an ethnicity, not a race. Hispanics may be of any race.

Annual Intercensal Housing Unit Estimates for the United States, States, and Counties: April 1, 2000 to April 1, 2010 // Source: U.S. Census Bureau, Population Division // For the intercensal estimates methodology statement, see https://www.census.gov/popest/methodology/index.html.

Monthly Intercensal Population Estimates for the United States: April 1, 2000 to April 1, 2010 // Source: U.S. Census Bureau, Population Division // Note: The April 1, 2000 Population Estimates base reflects changes to the Census 2000 population from the Count Question Resolution program and geographic program revisions. // For detailed information about the methods used to create the intercensal estimates, see https://www.census.gov/popest/methodology/index.html.

Annual Intercensal Population Estimates for United States, States, Counties, and Subcounty Places, and for Puerto Rico and Its Municipios: April 1, 2000 to April 1, 2010 // Source: U.S. Census Bureau, Population Division // Note: The April 1, 2000 Population Estimates base reflects changes to the Census 2000 population from the Count Question Resolution program and geographic program revisions.

The Census Bureau's Census surnames product is a data release based on names recorded in the decennial census. The product contains rank and frequency data on surnames reported 100 or more times in the decennial census, along with Hispanic origin and race category percentages. The latter are suppressed where necessary for confidentiality. The data focus on summarized aggregates of counts and characteristics associated with surnames, and the data do not in any way identify any specific individuals.

The Census Bureau's Census surnames product is a data release based on names recorded in the decennial census. The product contains rank and frequency data on surnames reported 100 or more times in the decennial census, along with Hispanic origin and race category percentages. The latter are suppressed where necessary for confidentiality. The data focus on summarized aggregates of counts and characteristics associated with surnames, and the data do not in any way identify any specific individuals.

The data files are a compilation of experimental results referenced in NIST Technical Note 1947 and include tabulated summary smoke alarm response results for smoke box and room experiments and individual experiment data files containing smoke beam obscuration, MIC current, gas species concentration, temperature and relative humidity measurements as a function of time during each experiment. Descriptions of the file name structures, data file contents and uncertainty estimates for each reported measurand are provided on the data landing page.