Download Release Dates for Release: County Median Age
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| County Median Age | 2017-05-17 | 2023-12-07 |
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| U.S. Census Bureau | 2017-05-17 | 2023-12-07 |
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Multiyear estimates from the American Community Survey (ACS) are "period" estimates derived from a data sample collected over a period of time, as opposed to "point-in-time" estimates such as those from past decennial censuses. ACS 5-year estimate includes data collected over a 60-month period. The date of the data is the end of the 5-year period. For example, a value dated 2014 represents data from 2010 to 2014. However, they do not describe any specific day, month, or year within that time period.
Multiyear estimates require some considerations that single-year estimates do not. For example, multiyear estimates released in consecutive years consist mostly of overlapping years and shared data. The 2010–2014 ACS 5-year estimates share sample data from 2011 through 2014 with the 2011–2015 ACS 5-year estimates. Because of this overlap, users should use extreme caution in making comparisons with consecutive years of multiyear estimates. Please see "Section 3: Understanding and Using ACS Single-Year and Multiyear Estimates" on publication page 13 (file page 19) of the 2018 ACS General Handbook for a more thorough clarification. https://www.census.gov/content/dam/Census/library/publications/2018/acs/acs_general_handbook_2018.pdf |
2017-05-17 | 2023-12-07 |
| File Name | Format |
| release_dates_430.xls | Excel |
| release_dates_430.txt | Text |
Release Dates Notes:
Release dates are determined by the following process:
When available, the actual release date as provided by the source is entered into the ALFRED database. If a release date is not available from the source, the release date given by our data providers is used. If a release date cannot be determined either from the source or from our data providers, the date that the series was first available in the St. Louis Fed's FRED database is used.
The release date list contains the dates when any series from this release was revised. Note that all series from a release do not necessarily revise on every release date.
