1. Documentation
2. API
3. Precincts

Precincts

See examples of Precinct objects.

Precinct objects contain geographic information for individual "precincts" (i.e. areas that have the same ballot). These are the lowest-level division for elections, so they are usually fairly small areas. If you want district maps, you can use the extra=merge_geos parameter to combine precincts into a district map for a specific contest.

Things that you should know:

• For the most part, our Precinct objects mirror real-world precinct divisions. However, sometimes real-world precincts aren't actually the lowest-level division, so we have to split that real-world precinct into multiple Precinct objects in our API. Check the ocd_id for a Precinct's real-world identifier.
• Since real-world precincts can change from election to election, we create a completely set of new precincts for each election. So even if a precinct hasn't changed from the previous election, we will still create a new Precinct with a new id and put it under the new election_id. If you want to track how a real-world precinct changes election-to-election, the ocd_id can help you map the same precinct across elections.

API Endpoints

• GET/precincts - List precincts (can be searched and filtered).
• GET/precincts/{id} - Get a specific precinct.

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Attributes

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Examples

An individual precinct:

{
    "type": "precinct",
    "id": "345-6",
    "ocd_id": null,
    "election_id": "123-4",
    "voting_info": {...},
    "geo": {"type": "Polygon", ...},
}

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Voting Info Object

TODO