acs version 2.1.0 now available

Posted by Ezra Glenn on July 11, 2017

We are pleased to announce the release of version 2.1.0 of the “acs” package, now available on CRAN

The package allows users to download, manipulate, analyze, and present demographic data from the U.S. Census, with special tools and methods to simplify the tasks of working with estimates and standard errors contained in data from the American Community Survey (ACS).

Important: version 2.1.0 of the package is a “minor update” in terms of features, but it includes a number of low-level tweaks necessary to accommodate upcoming changes in the Census API, including a shift to https transfer. Current users are strongly encouraged to update as soon as possible to avoid problems at the end of the summer.

Other minor changes include (a) removing plyr from a “dependency” and simply importing the required “rbind.fill” function, and (b) updating cbind/rbind options to be consistent with S3 methods.

For more information on the package and the update, please see the “Working with acs.R” user guide at

For current acs-package users who are upgrading to 2.1.0:

  • When updating, try the “clean=T” option, which may be able to migrate your census api key:
> update.packages("acs", clean=T)

If this fails to migrate the key, you can always try:

> api.key.migrate()

And, if all else fails, just re-install a key with api.key.install().

  • After installing (and loading) the package, we highly recommend installing acs variable lookup tables on your system – these are not migrated, and installing them greatly speeds up the package:
> acs.tables.install()”

(And since you are installing the table, you only need to do this once — or just once, until new acs tables come out.)

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