USAboundaries: Historical and Contemporary Boundaries of the United States of
America
The boundaries for geographical units in the United States of
America contained in this package include state, county, congressional
district, and zip code tabulation area. Contemporary boundaries are provided
by the U.S. Census Bureau (public domain). Historical boundaries for the
years from 1629 to 2000 are provided form the Newberry Library's Atlas of
Historical County Boundaries (licensed CC BY-NC-SA). Additional data is
provided in the USAboundariesData package; this package provides an
interface to access that data.
| Version: |
0.5.1 |
| Depends: |
R (≥ 3.5) |
| Imports: |
cli |
| Suggests: |
covr, dplyr, knitr, leaflet, pak, rmarkdown, sf (≥ 1.0.0), testthat (≥ 3.0.0), tibble, USAboundariesData (≥ 0.5.0) |
| Published: |
2026-01-29 |
| DOI: |
10.32614/CRAN.package.USAboundaries |
| Author: |
Lincoln Mullen 
[aut],
Jordan Bratt
[aut],
United States Census Bureau [cph],
Jacci Ziebert [cre] |
| Maintainer: |
Jacci Ziebert <jacciziebert at gmail.com> |
| BugReports: |
https://github.com/ropensci/USAboundaries/issues |
| License: |
MIT + file LICENSE |
| URL: |
https://docs.ropensci.org/USAboundaries/,
https://github.com/ropensci/USAboundaries |
| NeedsCompilation: |
no |
| Additional_repositories: |
https://ropensci.r-universe.dev |
| Citation: |
USAboundaries citation info |
| Materials: |
README, NEWS |
| CRAN checks: |
USAboundaries results |
Documentation:
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