Offers a comprehensive Geographic Boundaries dataset that includes state and county boundaries.
You can download these by state or for the entire nation from the Gazetteer Files or the Cartographic Boundary Files . Download State Line zip
This is the primary portal for searching and downloading tables in ZIP, Excel, or CSV formats. These are vector digital data files (shapefiles) compatible
These are vector digital data files (shapefiles) compatible with most GIS software. 2. ZIP Code Boundaries For relating ZIP codes to other geographies (like
The nationwide state boundary file for 2025 is available as tl_2025_us_state.zip .
For relating ZIP codes to other geographies (like counties or states), the HUD-USPS ZIP Code Crosswalk API allows you to download crosswalk data for specific states or for all states in a specific quarter. 3. State-Specific Reports & GIS Data
Provides ZIP files for specific legal documents like Court Opinions sorted by date. How to Access the Data