Google Earth Engine——街区数据集包含2010年的人口普查街区，最小单位大致相当于一个城市街区。超过1100万个多边形特征，覆盖美国、哥伦比亚特区、波多黎各和岛屿地区。

The United States Census Bureau regularly releases a geodatabase named TIGER. This dataset contains the 2010 census blocks, roughly equivalent to a city block. There are just over 11 million polygon features covering the United States, the District of Columbia, Puerto Rico, and the ​​Island areas.​​

For full technical details on all TIGER 2010 products, see the ​​TIGER technical documentation.​​"

美国人口普查局定期发布一个名为TIGER的地理数据库。这个数据集包含2010年的人口普查街区，大致相当于一个城市街区。有刚刚超过1100万个多边形特征，覆盖美国、哥伦比亚特区、波多黎各和岛屿地区。

关于所有TIGER 2010产品的全部技术细节，请参见TIGER技术文件"。

Dataset Availability

2010-01-01T00:00:00 - 2010-01-02T00:00:00

Dataset Provider

​​United States Census Bureau​​

Collection Snippet

​​ee.FeatureCollection("TIGER/2010/Blocks")​​

波段信息：

使用说明：

The U.S. Census Bureau offers some of its public data in machine-readable format via an Application Programming Interface (API). All of the content, documentation, code and related materials made available to you through the API are subject to ​​these terms and conditions.​​

引用：

For the creation of any reports, publications, new data sets, derived products, or services resulting from the data set, users should ​​cite the US Census Bureau.​​ 

代码：

var dataset = ee.FeatureCollection('TIGER/2010/Blocks');
var visParams = {
  min: 0.0,
  max: 700.0,
  palette: ['black', 'brown', 'yellow', 'orange', 'red']
};

// 将字符串转为数字类型
dataset = dataset.map(function (f) {
  return f.set('pop10', ee.Number.parse(f.get('pop10')));
});

var image = ee.Image().float().paint(dataset, 'pop10');

Map.setCenter(-73.99172, 40.74101, 13);
Map.addLayer(image, visParams, 'TIGER/2010/Blocks');
Map.addLayer(dataset, null, 'for Inspector', false);