Syracuse City Boundary
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Description: The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. Census tracts are small, relatively permanent statistical subdivisions of a county or equivalent entity, and were defined by local participants as part of the 2020 Census Participant Statistical Areas Program. The Census Bureau delineated the census tracts in situations where no local participant existed or where all the potential participants declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of census data and comparison back to previous decennial censuses. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. When first delineated, census tracts were designed to be homogeneous with respect to population characteristics, economic status, and living conditions. The spatial size of census tracts varies widely depending on the density of settlement. Physical changes in street patterns caused by highway construction, new development, and so forth, may require boundary revisions. In addition, census tracts occasionally are split due to population growth, or combined as a result of substantial population decline. Census tract boundaries generally follow visible and identifiable features. They may follow legal boundaries such as minor civil division (MCD) or incorporated place boundaries in some States and situations to allow for census tract-to-governmental unit relationships where the governmental boundaries tend to remain unchanged between censuses. State and county boundaries always are census tract boundaries in the standard census geographic hierarchy. In a few rare instances, a census tract may consist of noncontiguous areas. These noncontiguous areas may occur where the census tracts are coextensive with all or parts of legal entities that are themselves noncontiguous. For the 2020 Census, the census tract code range of 9400 through 9499 was enforced for census tracts that include a majority American Indian population according to Census 2010 data and/or their area was primarily covered by federally recognized American Indian reservations and/or off-reservation trust lands; the code range 9800 through 9899 was enforced for those census tracts that contained little or no population and represented a relatively large special land use area such as a National Park, military installation, or a business/industrial park; and the code range 9900 through 9998 was enforced for those census tracts that contained only water area. Data Dictionary: Label Definition TRACTCE10 2010 Census census tract code STATEFP10 2020 Census state Federal Information Processing Series (FIPS) COUNTYFP10 2020 Census county Federal Information Processing Series (FIPS) code GEOID10 Census tract identifier, a concatenation of 2020 Census state Federal Information. Processing Series (FIPS) code, county FIPS code, and census tract code NAME10 2020 Census census tract name, this is the census tract code converted to an integer or integer plus two-digit decimal if the last two characters of the code are not both zeros. NAMELSAD10 2020 Census translated legal/statistical area description and the census tract name. MTFCC10 MAF/TIGER feature class code FUNCSTAT10 2020 Census functional status AWATER10 2020 Census water area (square meters) ALAND10 2020 Census land area (square meters) INTPTLAT10 2020 Census latitude of the internal point INTPTLON10 2020 Census longitude of the internal point Data Dictionary Source: United States Census Bureau Dataset Contact Information: Organization: City of Syracuse Position: Data Program Manager Email: opendata@syr.gov City: Syracuse, NY
数据集说明:TIGER/Line形状文件(shapefiles)及相关数据库文件(.dbf)是从美国人口普查局(U.S. Census Bureau)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,简称MAF/TIGER数据库,MTDB)中提取的精选地理与制图信息数据集。MTDB是无缝的全国性数据集,各部分之间无重叠或间隙;但各TIGER/Line形状文件既可作为独立数据集单独使用,也可合并以覆盖全美范围。 人口普查区(census tracts)是县或等效行政单元的小型、相对固定的统计分区,由本地参与方作为2020年人口普查参与方统计区域计划(2020 Census Participant Statistical Areas Program)的一部分划定。若不存在本地参与方,或所有潜在参与方均拒绝参与,则由美国人口普查局划定人口普查区。人口普查区的核心用途是提供一套稳定的地理单元,用于呈现人口普查数据并与历次十年一次的人口普查数据进行对比。 人口普查区的常住人口规模通常介于1200至8000人之间,最优规模为4000人。最初划定时,人口普查区的设计目标是在人口特征、经济状况与居住条件方面保持同质性。其空间尺度因聚居密度差异而相差悬殊。因高速公路建设、新开发项目等导致的街道格局物理变化,可能需要对普查区边界进行修订。此外,人口普查区偶尔会因人口增长而拆分,或因人口大幅减少而合并。 人口普查区边界通常遵循可见且可识别的地物。在部分州及场景中,边界可遵循法定行政边界,如小型民事分区(minor civil division, MCD)或已建制地区的边界,以建立普查区与政府单元的对应关系,这类政府边界在两次人口普查之间通常保持稳定。在标准普查地理层级体系中,州界与县界始终同时作为人口普查区边界。在极少数情况下,人口普查区可能包含非连片区域,此类情况通常发生在普查区与本身为非连片的法定行政单元全部或部分重合的场景中。 针对2020年人口普查,符合以下任一条件的人口普查区将使用9400至9499的编码范围:依据2010年人口普查数据,该区域以美国印第安人口为主;或该区域主要由联邦认可的美国印第安人保留地及/或保留地外信托土地覆盖。针对人口极少或无人口、且代表大型特殊土地用途区域(如国家公园、军事基地或商业工业园区)的人口普查区,使用9800至9899的编码范围。针对仅包含水域区域的人口普查区,使用9900至9998的编码范围。 数据字典: 标签 定义 TRACTCE10 2010年人口普查区代码 STATEFP10 2020年人口普查州联邦信息处理标准(Federal Information Processing Series, FIPS)代码 COUNTYFP10 2020年人口普查县联邦信息处理标准(FIPS)代码 GEOID10 人口普查区标识符,由2020年人口普查州联邦信息处理标准(FIPS)代码、县FIPS代码与普查区代码拼接而成 NAME10 2020年人口普查区名称:若代码最后两位均不为零,则为转换为整数或整数加两位小数的普查区代码;若最后两位为零,则为整数形式的普查区代码 NAMELSAD10 2020年人口普查经翻译的法定/统计区域描述及普查区名称 MTFCC10 MAF/TIGER要素类别代码 FUNCSTAT10 2020年人口普查功能状态 AWATER10 2020年人口普查水域面积(单位:平方米) ALAND10 2020年人口普查陆地面积(单位:平方米) INTPTLAT10 2020年人口普查内部点纬度 INTPTLON10 2020年人口普查内部点经度 数据字典来源:美国人口普查局 数据集联系方式: 组织:锡拉丘兹市 职位:数据项目主管 邮箱:opendata@syr.gov 城市:纽约州锡拉丘兹市



