Colorado by the Numbers: Population


Census 2000

  • Census 2000 Summary File 1 (SF 1) -- 100-Percent Data "presents counts and basic cross tabulations of information collected from all people and housing units. It includes counts for many detailed race and Hispanic or Latino categories." Data include age, sex, race, Hispanic or Latino origin, household type, relationship, group quarters, whether the residence is owned or rented (tenure), and vacancy status. Data are available to the block for some tabulations. For others, data are available to the census tract. Although many of the Quick Tables and Geographic Comparison Tables on the American Factfinder are derived from Summary File 1, the data are not cross-tabulated in those data series. Cross-tabulated data (for example, how many Hispanic/Latino households in a community own/rent their homes) is available in the Data Sets menu of American Factfinder. To access the cross-tabulated data:
    • Choose "Census 2000 Summary File 1 (SF 1) 100-Percent Data".
    • Choose "Detailed Tables".
    • Choose a level of geography and a state or states.
    • Choose a subject.
    • Choose a table or tables from the list available for that subject.
    • Choose "Display Tables".

      Note: Before you dig into the detailed tables, you may with to identify the relevant census tract and block group numbers with the 2000 census maps or address search feature. In addition, you can create geographic comparison tables, quick tables, and reference maps from the Data Sets menu.

  • Census 2000 Summary File 2 (SF 2) --100-Percent Data on age, sex, households, families, and occupied housing units. The data are broken down into detailed racial and ethnic categories: "132 race groups, 78 American Indian and Alaska Native tribes (reflecting 39 individual tribes), and 39 Hispanic or Latino groups." Data are available for states, counties, sub-county areas, census tracts, places (cities), consolidated cities, and American Indian, Alaskan Native, and Hawaiian Native tribal lands and subparts.
  • Access the detailed data from the Data Sets menu of American Factfinder.

    • Choose "Census 2000 Summary File 2 (SF 2) 100-Percent Data".

      Note: Data are not available for geographic areas with a population of less than 100 and tables are only available when a population of 100 or more within the group reside within the geographic area. In addition, you can create geographic comparison tables, quick tables, and reference maps from the Data Sets menu.

  • Census 2000 Summary File 3 (SF 3)---Sample data on disability, employment status, households and familities, income (family and nonfamily, household, and individual), industry, occupation and class of worker, journey to work (commuting), language and ability to speak English, marital status, migration, place of work, poverty status (family, household, and individuals, school enrollment and educational attainment, and veteran status.

    Access the detailed data from the Data Sets menu of American Factfinder.

    • Choose "Census 2000 Summary File 3 (SF 3) Sample Data".
  • General Demographic Characteristics: Colorado a report in .pdf format. Includes data on population by sex, by age, by race, by Hispanic origin. In addition, it includes data on relationships between occupants of households, household types, housing occupancy and housing tenure for the state, cities, Census designated places, towns, primary metropolitan statistical areas, congressional districts, Indian reservations, and the state as a whole.

    The data for states, counties, county subdivisions, and places are now available for onscreen viewing or download in the "Start with Basic Facts" area of American Factfinder. Choose "Population and Housing QT" from the pull-down menu before choosing the level of geography (state, county, county subdivision or place).
  • Redistricting Summary File contains summary statistics on counts for the total population, for the population 18 years and over, and population counts by race and by Hispanic or Latino origin. As of March 20, 2001, data are available for states, counties, and places in Colorado. Use the American Factfinder. Data are available for onscreen viewing or for download. In addition, by choosing the Maps option, you can create maps of population, population density, Hispanic origin, or race for counties in Colorado.
  • Resident population of the 50 States, the District of Columbia, and Puerto Rico for April 1, 2000 (Census 2000) and for April 1, 1990 (1990 Census).First results from the 2000 Census. The site provides data and maps in multiple formats including: PDF, Excel, ASCII, and GIF. Tables include resident population counts for the years 1990 and 2000, state rankings for 1990 and 2000, and numeric and percent change from 1990 to 2000. Includes state level data on resident population and apportionment for congressional representation from the earliest year to the present. Provides maps of percent change from 1990 to 2000 and numeric change from 1990 to 2000.
  • Population by County, 1990 and 2000 with Percent Change
  • Street Address Search Enter a street address, city, state, and zipcode. You can then choose to display Census 2000 data and maps on the state, county, county subdivision, census tract, block, place, voting precinct, congressional, and state legislative districts in which the address is found.
  • Census 2000 Supplementary Survey provides estimates of demographic, social, economic, and housing characteristics for the United States and the fifty states. The Census recently released data on cities and counties in Colorado with populations of 250,000 or more. These include the cities of Aurora, Colorado Springs, and Denver and Adams, Arapahoe, Boulder, Denver, El Paso, and Jefferson counties. State-level data is available from the pull-down menu of states. For access to city and county data, choose the link to Census 2000 Supplementary Survey Summary Tables near the bottom of the page. The survey includes:
    • "data on sex, age, race, Hispanic origin, household type, housing occupancy, homeowners, renters, and additional topics." 
    • "information on school enrollment, educational attainment, marital status, disability status, migration, place of birth, language spoken at home, ancestry, and additional topics."
    • "information on labor force status, commuting, occupation, income and benefits, poverty, and additional topics."
    • "units in structure, year structure built, number of rooms, vehicles available, type of heating fuel, occupants per room, value of housing unit, mortgage status, amount of rent paid, and additional topics."


Race and Hispanic Origin

Special Topics

University of Colorado at Boulder Government Publications Library

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Date last modified: 17 May 2005. Send comments to Government Publications