# Data sources and freshness

| Data | Source | Updated |
| --- | --- | --- |
| Members, legislation, votes, meetings, committees | Office of the City Clerk (eLMS) | Daily, around 5 am Chicago time |
| Legislation status (tracker) | Office of the City Clerk (eLMS) | Hourly, 7 am to noon and 4 to 8 pm Chicago time, plus the daily sync |
| Campaign finance | Illinois State Board of Elections | Daily |
| Lobbyists, clients, contributions, gifts | City of Chicago Board of Ethics (Data Portal) | Daily |
| Relationship graph, entities, member history | Computed from the above | Daily, after campaign finance |
| AI summaries, profiles, and meeting notes | Written by AI from the records above | When new records or recordings arrive |
| Ward boundaries | Chicago Data Portal | When the City publishes new ones |

Ward boundaries are simplified; confirm an address on a boundary with the Chicago Board of Elections.

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Source: https://www.chicagopolitics.org/developers/data-sources · Chicago Politics, an independent, nonpartisan tracker of the Chicago City Council. Guide for agents: https://www.chicagopolitics.org/llms.txt