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State
2020 Census Tracts
State of Oregon —
This data layer is an element of the Oregon GIS Framework. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and... -
State
California Counties
State of California —
In late 1996, the Dept of Conservation (DOC) surveyed state and federal agencies about the county boundary coverage they used. As a result, DOC adopted the 1:24,000... -
State
California Overlapping Cities and Counties and Identifiers
State of California —
WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the end of 2024.... -
State
California City Boundaries and Identifiers
State of California —
Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. For deployment... -
State
CDFW Regions
State of California —
This layer represents the California Department of Fish and Wildlife (CDFW) Region boundaries. CDFW has seven geographically-defined administrative regions. The... -
State
i17 California Jurisdictional Dams
State of California —
This dataset is a feature class identifying all dams currently under the jurisdiction of the Division of Safety of Dams (DSOD). The dataset is extracted from DSOD... -
State
Connecticut County Index
State of Connecticut —
Connecticut County Index is a general purpose index map of Connecticut counties based on information compiled at 1:125,000 scale (1 inch equals approximately 2... -
State
Ca. 4th Climate Change Assessment Regions
State of California —
Regional boundaries for use by CA Nature to support activities related to Executive Order N-82-20. These include California's 30x30 effort, Climate Smart Land... -
State
California Overlapping Cities and Counties and Identifiers with Coastal Buffers
State of California —
WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the end of 2024.... -
State
CT Vicinity County Polygon
State of Connecticut —
Connecticut and Vicinity County Boundary data are intended for geographic display of state and county boundaries at statewide and regional levels. Use it to map and... -
State
Northeast County Polygon
State of Connecticut —
Northeastern United States County Boundary data are intended for geographic display of state and county boundaries at statewide and regional levels. Use it to map and... -
State
California County Boundaries and Identifiers
State of California —
Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. For deployment... -
State
Vegetation - Western Riverside County - 2005 [ds170]
State of California —
The California Department of Fish and Game (CDFG) contracted with the California Native Plant Society (CNPS) and Aerial Information Systems (AIS) to produce an... -
State
i16 Census Tract EconomicallyDistressedAreas 2023
State of California —
The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Tract feature class. The TIGER/Line... -
State
Northeast County Lines
State of Connecticut —
Northeastern United States County Boundary data are intended for geographic display of state and county boundaries at statewide and regional levels. Use it to map and... -
State
i03 dwr region offices
State of California —
Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (See metadata for CAL-FIRE... -
State
California County Boundaries and Identifiers with Coastal Buffers
State of California —
Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. For deployment... -
State
CT Vicinity County Lines
State of Connecticut —
Connecticut and Vicinity County Boundary data are intended for geographic display of state and county boundaries at statewide and regional levels. Use it to map and... -
State
County Boundaries
State of Oregon —
COB_POLY: This theme shows the jurisdictional and cartographic county areas for Oregon and Washington. The POCA layer is an integrated set of geographic- referencing... -
State
Operational Division Boundaries - OSPR [ds355]
State of California —
The shoreline operational divisions are organized and named according to County boundaries. Within county domains, divisions are boundaries guided by logical...