precinct_block_key: 121

Just a list of US Census block numbers and the precincts in which they sit. Join this to US Census tables to get aggregates by precinct, as those precincts existed in 2020. For details see this blog post.

Data license: CC BY-SA 4.0 · Data source: US Census & NYC Open Data Portal, combined by John Keefe

This data as json

rowid geoid10 precinct
121 360050016002005 43