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State and county boundaries

Keep regional comparisons tied to consistent geographical identifiers. State and county boundaries carry the codes, names and land and water areas needed to join other data by state or county.

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Data product
Boundaries & Map Features
Access
Available by license, delivered as files. Not included in plans, the API, the MCP server or the plugins.
Time structure
Reference snapshot
History available
Published inventory or reporting period; see coverage for the source dates.
Observation frequency
Varies by underlying publication.
Reporting lag
Reporting lag varies by source.
Inventory checked
2026-09-23. Coverage dates describe this checked inventory.

What's in this dataset

Geographical identity
GEOID, qualified identifiers and state codes support consistent joins.
Names and hierarchy
Reported state/county names and boundary type.
Source areas
Reported land and water area attributes where supplied.
Scale and vintage
Cartographic release year and simplification scale qualify use of the geometry.

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License State and county boundaries

This dataset is available by license and delivered as files. It is not included in plans, the API, the MCP server or the plugins. Tell us the area and fields you need and we will scope it with you.

Data licensingTalk to us