Alameda County
Who represents this county
Alameda County is cut up by 213 overlapping districts — Congress, the Legislature, the Board of Supervisors, city councils, school boards, water, transit and parks. Your address sits inside about a dozen of them at once. Switch one on to see which precincts it covers.
Precinct boundaries published by Alameda County; normalized and served by rovor.app.
Why the edges look ragged
A district is shaded by the precincts inside it, because precincts are what the county actually publishes. Smoothing them into a single outline would look tidier and be wrong — one Assembly district comes out 78 km² short that way. The ragged edge is the true one.