遇见数据集

Congressional Districts (2022)

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ArcGIS Hub2026-04-08 更新2026-08-20 收录
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Overview This feature service provides detailed geographic boundaries for the congressional districts in Rhode Island as defined for the 118th United States Congress, serving from January 2023 through December 2024. These districts are the electoral divisions from which representatives to the U.S. House of Representatives are elected. The boundaries reflect official data provided to the U.S. Census Bureau by the states as of August 31, 2022. Feature Layer Congressional Districts 118th Session: This layer represents the congressional districts as recorded in the TIGER/Line shapefiles, which extract selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing Database (MAF/TIGER). These shapefiles offer seamless national coverage and are independently usable or combinable with similar datasets nationwide. The layer includes attributes related to district identification codes, names, legal/statistical area descriptions, and area measurements. It covers the congressional districts defined for Rhode Island, including considerations for areas with non-standard district coding as per the Redistricting Data Program. Geographic Coverage This service focuses specifically on Rhode Island, providing precise legislative boundary data relevant to this state for federal legislative districting. Source and Licensing The underlying data originates from the U.S. Census Bureau, with boundary information derived from the TIGER/Line shapefiles and associated databases. Although these datasets are not copyrighted and free to use, users must acknowledge the U.S. Census Bureau as the data source. The data are intended for statistical purposes and do not denote legal land ownership or jurisdictional authority. Use Cases Analysis and mapping of Rhode Island congressional districts for electoral, planning, and demographic research purposes. Supporting government and civic organizations in voter outreach, representation studies, and policy development activities. Integration into GIS applications for visualization, spatial analysis, and public information dissemination concerning congressional representation boundaries.

概述 本要素服务提供美国第118届国会(任期为2023年1月至2024年12月)所划定的罗德岛州国会选区的详细地理边界。此类选区为选举美国众议院议员的选举分区,其边界基于各州于2022年8月31日提交给美国人口普查局(U.S. Census Bureau)的官方数据。 要素图层:第118届国会选区 本图层对应TIGER/Line shapefile中记录的国会选区,该文件从美国人口普查局的主地址文件/拓扑集成地理编码与参考数据库(Master Address File / Topologically Integrated Geographic Encoding and Referencing Database,简称MAF/TIGER数据库)中提取选定的地理与制图信息。此类shapefile具备无缝全国覆盖能力,可独立使用,亦可与全国范围内的同类数据集整合。图层包含选区标识码、名称、法定/统计区域描述及面积测算等相关属性字段,覆盖罗德岛州的所有国会选区,同时纳入根据《重新划分选区数据计划》(Redistricting Data Program)定义的非标准选区编码区域。 地理覆盖范围 本服务仅聚焦罗德岛州,提供该州联邦立法选区划分所需的精准立法边界数据。 数据源与许可 本数据集的基础数据源自美国人口普查局,边界信息提取自TIGER/Line shapefile及相关数据库。尽管此类数据集无版权限制且可免费使用,但用户需明确标注美国人口普查局为数据来源。本数据仅用于统计用途,不代表合法土地所有权或司法管辖权。 应用场景 可用于罗德岛州国会选区的选举、规划及人口统计研究相关的分析与制图;可为政府及公民社会组织的选民联络、代表权研究与政策制定活动提供支持;可集成至地理信息系统(Geographic Information System,简称GIS)应用中,用于国会代表选区边界的可视化展示、空间分析及公共信息发布。

创建时间:
2023-08-03
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