Alameda County
Every ballot in the county
Alameda County has 1,661 precincts and 257 different ballots. 37 things are on every one of them — 9 contests, 15 measures and 13 judicial retentions. The rest depends on which districts your precinct sits in.
Each area is a group of whole precincts that get an identical ballot. It is not a district boundary and not a legal line — it is where the ballot changes.
Ballot numbers match what the county prints on your ballot, but the mapping behind them is derived rather than published — checked against the 46 sample ballots in the county's own voter guide. Treat a number as a strong hint, not proof.