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American Community Survey Data Products

American Community Survey Data Products. 1. What do I need to know before using ACS data and data products?. Estimates. ACS data are estimates ACS data are not counts of the population or housing Population counts are produced from the decennial census

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American Community Survey Data Products

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  1. American Community Survey Data Products 1

  2. What do I need to know before using ACS data and data products?

  3. Estimates • ACS data are estimates • ACS data are not counts of the population or housing • Population counts are produced from the decennial census • Counts are updated throughout the decade through the Population Estimates Program

  4. Period estimates • ACS estimates are period estimates • Period estimates describe the average characteristics over a specific time period • Contrast with point-in-time estimates that describe characteristics as of a specific date 4

  5. Sampling Error • The uncertainty associated with an estimate that is based on data gathered from a sample of the populationrather than the full population • Margin of error (MOE) measures the precision of an estimate at a given level of confidence • MOEs at the 90% confidence level for all published ACS estimates

  6. What data products are available? 6

  7. ACS Data Products Profiles • Data Profiles • Narrative Profiles • Comparison Profiles • Selected Population Profiles Tables • Detailed Tables and Collapsed Tables • Subject Tables • Ranking Tables • Geographic Comparison Tables Thematic Maps Public Use Microdata Sample (PUMS) Files

  8. Data Profiles

  9. Narrative Profiles 9

  10. Comparison Profiles 10

  11. Selected Population Profiles 11

  12. Selected Population Profiles 12

  13. Detailed TablesExamples • Sex by Age by Race and Hispanic Origin • Means of Transportation to Work by Travel Time to Work • Median Number of Rooms in Housing Units • School Enrollment by Level of School • Poverty Status in the past 12 Months by Sex and Age 13

  14. Detailed Tables Table Name Table Number Universe Data Source Collapsed Version Margin of Error 14

  15. Detailed Tables – Collapsed Version 15

  16. Detailed Tables

  17. Detailed Tables for Quality Measures

  18. Subject Table List 18

  19. Subject Tables 19

  20. Ranking Tables 20

  21. Ranking Tables 21

  22. Geographic Comparison Tables 22

  23. Thematic Maps 23

  24. Public Use Microdata Sample

  25. How do I access ACS Data Products? 25

  26. U.S. Census Bureau home page 26

  27. American FactFinder 27

  28. ACS Data Products 28

  29. Select Your Geography 29

  30. Select the Subject of Interest 30

  31. Geographic Comparison Table 31

  32. Help from American FactFinder 32

  33. ACS File Transfer Protocol (FTP) Site

  34. DataFerrett

  35. DataFerrett

  36. For more information Subcribe to “ACS Alert” http://www.census.gov/acs/www/Special/Alerts.htm Visit our ACS/PRCS website: www.census.gov/acs/www Contact us by: telephone: 1-800-923-8282

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