| Data Dictionary: | ACS 2008 -- 2010 (3-Year Estimates) |
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Survey: ACS 2008 -- 2010 (3-Year Estimates)
| Data Source: | U.S. Census Bureau |
Survey Details
ACS 2008 -- 2010 (3-Year Estimates)
| Distinguishing features of ACS 1-year, 3-year, and 5-year estimates | ||
| 1-year estimates | 3-year estimates | 5-year estimates |
| 12 months of collected data | 36 months of collected data | 60 months of collected data |
| Data for areas with populations of 65,000+ | Data for areas with populations of 20,000+ | Data for all areas |
| Smallest sample size | Larger sample size than 1-year | Largest sample size |
| Less reliable than 3-year or 5-year | More reliable than 1-year; less reliable than 5-year | Most reliable |
| Most current data | Less current than 1-year estimates; more current than 5-year | Least current |
| Best used when | Best used when | Best used when |
Currency is more important than precision Analyzing large populations | More precise than 1-year, more current than 5-year Analyzing smaller populations Examining smaller geographies because 1-year estimates are not available | Precision is more important than currency Analyzing very small populations Examining tracts and other smaller geographies because 1-year estimates are not available |
Datasets
Documentation
Social Explorer; U.S. Census Bureau; American Community Survey 2008-2010 Summary File: Technical Documentation.
Social Explorer; U.S. Census Bureau; Design and Methodology, American Community Survey. U.S. Government Printing Office, Washington, DC, 2009.
