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Neighborhood Clusters
District of Columbia —
This data set describes Neighborhood Clusters that have been used for community planning and related purposes in the District of Columbia for many years. It does not... -
Wards from 2022
District of Columbia —
The dataset contains polygons representing boundaries of District of Columbia 2022 election Wards. Boundaries include Census 2020 demographic data for population, age,... -
Federal
OCS Gulf of Mexico NAD27 Block Polygons - 2nd Division NGDA
Department of the Interior —
This is a national data collection of data resources managed by the Bureau of Ocean Energy Management (BOEM) for the Outer Continental Shelf (OCS). The data... -
Voting Precinct 1990
District of Columbia —
1990 Voting Precincts. The dataset contains polygons representing boundaries of District of Columbia voting precincts, established in 1992 (based on the Wards... -
Neighborhood Labels
District of Columbia —
This dataset was created by the DC Office of Planning and provides a simplified representation of the neighborhoods of the District of Columbia. These boundaries are... -
Central Employment Areas
District of Columbia —
The dataset includes polygons representing the location and attributes of Central Employment Area (CEA). The CEA is the core area of the District of Columbia where the... -
Federal
OCS BOEM Offshore Boundary Lines NGDA
Department of the Interior —
This is a national data collection of data resources managed by the Bureau of Ocean Energy Management (BOEM) for the Outer Continental Shelf (OCS). The data... -
Architect of the Capitol
District of Columbia —
Architect of the Capitol jurisdiction boundary. The dataset contains locations and attributes of the Architect of the Capitol jurisdiction boundary, created as part of... -
Single Member District from 2002
District of Columbia —
District of Columbia Single Member District (SMD) boundaries. This dataset contains lines representing advisory neighborhood commission (ANC) single member districts... -
State of Washington DC in 2020
District of Columbia —
Proposed boundaries of the State of Washington DC as passed by US House of Representatives on June 26, 2020. -
Wards from 2012
District of Columbia —
2012 Wards. The dataset contains polygons representing boundaries of District of Columbia 2012 election wards, created as part of the DC Geographic Information System... -
County
Allegheny County Municipal Boundaries
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
This dataset demarcates the municipal boundaries in Allegheny County. Data was created to portray the boundaries of the 130 Municipalities in Allegheny County the... -
Federal
OCS Protraction Polygons - 1st Division NGDA
Department of the Interior —
This is a national data collection of data resources managed by the Bureau of Ocean Energy Management (BOEM) for the Outer Continental Shelf (OCS). The data... -
State
California Counties
State of California —
This layer contains the boundaries for California’s 58 counties. County features are derived from the US Census Bureau's TIGER/Line database and have been clipped to... -
Wards from 2002 with Census 2000
District of Columbia —
2002 Wards. The dataset contains polygons representing boundaries of District of Columbia 2000 election wards, created as part of the DC Geographic Information System... -
Voting Precinct 2008
District of Columbia —
Voting Precincts 2008. The dataset contains polygons representing District of Columbia voting precinct boundaries. Precincts were changed based on the ward... -
Single Member District from 1990
District of Columbia —
District of Columbia Single Member District (SMD) boundaries. This dataset contains lines representing advisory neighborhood commission (ANC) single member districts... -
Advisory Neighborhood Commissions from 2013
District of Columbia —
Advisory Neighborhood Commissions (ANCs) are collections of Single Member Districts (SMDs). ANCs allow input from an advisory board made up of the residents of the... -
Advisory Neighborhood Commissions from 2002
District of Columbia —
Advisory Neighborhood Commissions or ANC's are collections of Single Member Districts or SMD's. There are multiple ANC's for each of the eight Wards. The initial... -
State
Regions CCSESA
State of California —
Through a system of 11 service regions, CCSESA provides the organizational mechanism for the 58 County Superintendents of Schools to design and implement statewide...