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Updated almost 7 years ago
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LEHD LODES 7 Origin-Destination Matrix MD 2013 (MAIN)

LEHD Origin-Destination Employment Statistics (LODES) used by OnTheMap are available for download below. Version 7 of LODES was enumerated by 2010 census blocks. Previous versions of LODES were enumerated with 2000 census blocks.

Data files are state-based and organized into three types: Origin-Destination (OD), Residence Area Characteristics (RAC), and Workplace Area Characteristics (WAC), all at census block geographic detail. Data is available for most states for the years 2002–2013.

To browse the LODES data files in their directory structure or to access them with a FTP program (must be able to access HTTP), go to http://lehd.ces.census.gov/data/lodes/.

Check out the data dictionary at http://celebratingcities.github.io/docs.html

Querying over HTTP

Splitgraph serves as an HTTP API that lets you run SQL queries directly on this data to power Web applications. For example:

curl https://data.splitgraph.com/sql/query/ddn \
    -H "Content-Type: application/json" \
{"sql": "
    SELECT *
    FROM \"celebratingcities-data-socrata/lehd-lodes-7-origindestination-matrix-md-2013-main-srdb-sufz\".\"lehd_lodes_7_origindestination_matrix_md_2013_main\"
    LIMIT 100 

See the Splitgraph documentation for more information.

  • lehd_lodes_7_origindestination_matrix_md_2013_main