11 American Community Survey Data Products
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
44 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
5 Sampling Error The uncertainty associated with an estimate that is based on data gathered from a sample of the population rather 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
66 What data products are available?
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
99 Narrative Profiles
10 Comparison Profiles 10
11 Selected Population Profiles 11
12 Selected Population Profiles
13 Detailed Tables Examples 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
14 Data Source Universe Margin of Error Table Name Table Number Collapsed Version Detailed Tables
15 Detailed Tables – Collapsed Version 15
16 Detailed Tables
17 Detailed Tables for Quality Measures
18 Subject Table List
19 Subject Tables
20 Ranking Tables
21 Ranking Tables 21
22 Geographic Comparison Tables
23 Thematic Maps 23
24 Public Use Microdata Sample
25 How do I access ACS Data Products?
26 U.S. Census Bureau home page
27 American FactFinder
28 ACS Data Products
29 Select Your Geography
30 Select the Subject of Interest
31 Geographic Comparison Table
32 Help from American FactFinder
33 ACS File Transfer Protocol (FTP) Site
34 DataFerrett
35 DataFerrett
36 For more information Subcribe to “ACS Alert” Visit our ACS/PRCS website: Contact us by: telephone: