Frequently Asked Questions

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FAQ

Can I compare American Community Survey (ACS) estimates to ACS data from other time periods? How about comparisons with data from Census 2000 or the 2010 Census?

Generally, you can compare American Community Survey (ACS) estimates with data from Census 2000 or the 2010 Census.

If you are comparing ACS estimates with other ACS estimates, use the same period length. For example, this means you should compare a 1-year estimate only to another 1-year estimate, not to a 3-year estimate or a 5-year estimate. However, since ACS variables change over time, some areas and subjects must be compared with caution or not compared at all. Visit Comparing ACS Data for more information about comparing ACS estimates over time and with Census 2000 or 2010 Census.

If you are looking for a table that is comparable between Census 2000 and the ACS 5-year estimates, you may find our Table Comparison Tool to be useful. This tool allows data users to search by table number for a comparable table between the ACS 5-year estimates and the Census 2000 SF3 detailed tables. The table comparability may be identical, comparable for some uses, or there may be no comparable table.


(FAQ1675)

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