미국 인구조사국에서는 TIGER라는 지리 데이터베이스를 정기적으로 출시합니다. 이 데이터 세트에는 2020년 인구 조사 블록 그룹이 포함되어 있습니다. 블록 그룹은 동일한 인구 조사 지역 내에 있는 블록의 클러스터로, 4자리 인구 조사 블록 번호의 첫 번째 숫자가 동일합니다. 미국,워싱턴 DC, 푸에르토리코, 섬 지역을 포함하는 240, 000개가 넘는 다각형 피처가 있습니다.
모든 TIGER 2020 제품에 관한 전체 기술 세부정보는 TIGER 기술 문서를 참고하세요.
표 스키마
표 스키마
이름
유형
설명
ALAND
DOUBLE
토지 면적 (제곱미터)
AWATER
DOUBLE
물 면적 (제곱미터)
BLKGRPCE
문자열
차단 그룹 코드
COUNTYFP
문자열
군 FIPS 코드
FUNCSTAT
문자열
기능 상태 (S = 통계)
GEOID
문자열
요약 수준, 특성 반복, 미국, 주, 카운티, 트랙트, 블록 그룹 코드의 고유 식별자
INTPTLAT
DOUBLE
내부 포인트 위도
INTPTLON
DOUBLE
내부 지점 경도
MTFCC
문자열
MAF/TIGER 지형지물 분류 코드
NAMELSAD
문자열
전체 이름
STATEFP
문자열
주 FIPS 코드
TRACTCE
문자열
인구조사 구역 코드
이용약관
이용약관
미국 인구조사국은 애플리케이션 프로그래밍 인터페이스(API)를 통해 일부 공개 데이터를 머신 리더블 형식으로 제공합니다. API를 통해 제공되는 모든 콘텐츠, 문서, 코드, 관련 자료에는 이 약관이 적용됩니다.
인용
인용:
데이터 세트에서 파생된 보고서, 간행물, 새 데이터 세트, 파생 제품 또는 서비스를 만드는 경우 사용자는 미국 인구조사국을 인용해야 합니다.
미국 인구조사국은 TIGER라는 지리 데이터베이스를 정기적으로 출시합니다. 이 데이터 세트에는 2020년 인구 조사 블록 그룹이 포함되어 있습니다. 이는 동일한 인구 조사 지역 내에 있으며 4자리 인구 조사 블록 번호의 첫 번째 숫자가 동일한 블록의 클러스터입니다. …을 포함하는 240,000개가 넘는 다각형 지형지물이 있습니다.
[null,null,[],[[["\u003cp\u003eThe TIGER/2020/BG dataset provides 2020 US Census block group boundaries, encompassing over 240,000 polygons across the United States, District of Columbia, Puerto Rico, and Island areas.\u003c/p\u003e\n"],["\u003cp\u003eBlock groups are clusters of blocks within the same census tract sharing the first digit of their four-digit census block number.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset includes attributes such as land and water area, geographic identifiers, and demographic characteristics.\u003c/p\u003e\n"],["\u003cp\u003eUsers should cite the US Census Bureau when using this data for reports, publications, or derived products.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is available as a FeatureCollection and FeatureView for analysis and visualization within Google Earth Engine.\u003c/p\u003e\n"]]],[],null,["# TIGER: US Census Block Groups (BG) 2020\n\nDataset Availability\n: 2020-01-01T00:00:00Z--2020-01-02T00:00:00Z\n\nDataset Provider\n:\n\n\n [United States Census Bureau](https://www.census.gov/programs-surveys/geography/guidance/tiger-data-products-guide.html)\n\nTags\n:\n[census](/earth-engine/datasets/tags/census) [city](/earth-engine/datasets/tags/city) [infrastructure-boundaries](/earth-engine/datasets/tags/infrastructure-boundaries) [neighborhood](/earth-engine/datasets/tags/neighborhood) [table](/earth-engine/datasets/tags/table) [tiger](/earth-engine/datasets/tags/tiger) [urban](/earth-engine/datasets/tags/urban) [us](/earth-engine/datasets/tags/us) \n\n#### Description\n\nThe United States Census Bureau regularly releases\na geodatabase named TIGER. This dataset contains the 2020 census\n[block groups](https://www.census.gov/programs-surveys/geography/about/glossary.html#par_textimage_4),\nwhich is a cluster of blocks within the same census tract that have the same\nfirst digit of their four-digit census block number. There are just over\n240,000 polygon features covering the United States, the District\nof Columbia, Puerto Rico, and the\nIsland areas.\n\nFor full technical details on all TIGER 2020 products, see the\n[TIGER technical documentation](https://www2.census.gov/geo/pdfs/maps-data/data/tiger/tgrshp2020/TGRSHP2020_TechDoc.pdf).\n\n### Table Schema\n\n**Table Schema**\n\n| Name | Type | Description |\n|----------|--------|----------------------------------------------------------------------------------------------------------|\n| ALAND | DOUBLE | Land Area (square meters) |\n| AWATER | DOUBLE | Water Area (square meters) |\n| BLKGRPCE | STRING | Block Group Code |\n| COUNTYFP | STRING | County FIPS Code |\n| FUNCSTAT | STRING | Functional Status (S = Statistical) |\n| GEOID | STRING | Unique Identifier of Summary Level, Characteristic Iteration, US, State, County, Tract, Block Group Code |\n| INTPTLAT | DOUBLE | Internal Point Latitude |\n| INTPTLON | DOUBLE | Internal Point Longitude |\n| MTFCC | STRING | MAF/TIGER Feature Classification Code |\n| NAMELSAD | STRING | Full Name |\n| STATEFP | STRING | State FIPS Code |\n| TRACTCE | STRING | Census Tract Code |\n\n### Terms of Use\n\n**Terms of Use**\n\nThe U.S. Census Bureau offers some of its public data\nin machine-readable format via an Application Programming Interface\n(API). All of the content, documentation, code and related materials\nmade available to you through the API are subject to [these terms and\nconditions](https://www.census.gov/data/developers/about/terms-of-service.html).\n\n### Citations\n\nCitations:\n\n- For the creation of any reports, publications, new data sets, derived\n products, or services resulting from the data set, users should\n [cite the US Census Bureau](https://www.census.gov/about/policies/citation.html).\n\n### Explore with Earth Engine\n\n| **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\n### Code Editor (JavaScript)\n\n```javascript\nvar dataset = ee.FeatureCollection('TIGER/2020/BG');\n\nvar visParams = {\n min: 0.0,\n max: 1e7,\n palette: ['d8d9d9', 'aaaaaa', 'b6dfe9', '2ea3f2', '0c71c3']\n};\n\n// plotting the water area per polygon\ndataset = dataset.map(function (f) {\n return f.set('AWATER', ee.Number.parse(f.get('AWATER')));\n});\n\nvar image = ee.Image().float().paint(dataset, 'AWATER');\n\nMap.setCenter(-81.99172, 29.74101, 9);\nMap.addLayer(ee.Image(1), {min:0, max:1}, 'background');\nMap.addLayer(image, visParams, 'TIGER/2020/BG');\nMap.addLayer(dataset, null, 'for Inspector', false);\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/TIGER/TIGER_2020_BG)\n\n### Visualize as a FeatureView\n\n\nA `FeatureView` is a view-only, accelerated representation of a\n`FeatureCollection`. For more details, visit the\n[`FeatureView` documentation.](/earth-engine/guides/featureview_overview)\n| **Important:** Earth Engine is a platform for petabyte-scale scientific analysis and visualization of geospatial datasets, both for public benefit and for business and government users. Earth Engine is free to use for research, education, and nonprofit use. To get started, please [register for Earth Engine access.](https://console.cloud.google.com/earth-engine)\n\n### Code Editor (JavaScript)\n\n```javascript\nvar fvLayer = ui.Map.FeatureViewLayer('TIGER/2020/BG_FeatureView');\n\nvar visParams = {\n opacity: 1,\n color: {\n property: 'AWATER',\n mode: 'linear',\n palette: ['d8d9d9', 'aaaaaa', 'b6dfe9', '2ea3f2', '0c71c3'],\n min: 0,\n max: 1e7\n }\n};\n\nfvLayer.setVisParams(visParams);\nfvLayer.setName('Water area by US census block group');\n\nMap.setCenter(-74.0637, 40.6852, 13);\nMap.add(fvLayer);\n```\n[Open in Code Editor](https://code.earthengine.google.com/?scriptPath=Examples:Datasets/TIGER/TIGER_2020_BG_FeatureView) \n[TIGER: US Census Block Groups (BG) 2020](/earth-engine/datasets/catalog/TIGER_2020_BG) \nThe United States Census Bureau regularly releases a geodatabase named TIGER. This dataset contains the 2020 census block groups, which is a cluster of blocks within the same census tract that have the same first digit of their four-digit census block number. There are just over 240,000 polygon features covering ... \nTIGER/2020/BG, census,city,infrastructure-boundaries,neighborhood,table,tiger,urban,us \n2020-01-01T00:00:00Z/2020-01-02T00:00:00Z \n-14.69 -180 71.567 -64.435 \nGoogle Earth Engine \nhttps://developers.google.com/earth-engine/datasets\n\n- [](https://doi.org/https://www.census.gov/programs-surveys/geography/guidance/tiger-data-products-guide.html)\n- [](https://doi.org/https://developers.google.com/earth-engine/datasets/catalog/TIGER_2020_BG)"]]
