National Neighborhood Data Archive (NaNDA): Libraries by Census Tract and ZIP Code Tabulation Area, United States, 1992-2021

<p class="editor-paragraph" dir="ltr"><span style="white-space: pre-wrap;">This dataset contains measures of the number and density of libraries per United States Census Tract or ZIP Code Tabulation Area (ZCTA) from 1992 through 2021. The dataset includes four separate files for four different geographic areas (GIS shapefiles from the United States Census Bureau). The four geographies include:</span></p><ul class="editor-list-ul"><li value="1" class="editor-listitem"><span style="white-space: pre-wrap;">Census Tract 2010</span></li><li value="2" class="editor-listitem"><span style="white-space: pre-wrap;">Census Tract 2020 </span></li><li value="3" class="editor-listitem"><span style="white-space: pre-wrap;">ZIP Code Tabulation Area (ZCTA) 2010</span></li><li value="4" class="editor-listitem"><span style="white-space: pre-wrap;">ZIP Code Tabulation Area (ZCTA) 2020 </span></li></ul><p class="editor-paragraph" dir="ltr"><span style="white-space: pre-wrap;">Information about which dataset to use can be found in the Usage Notes section of this document. </span></p>