Open data on U.S. elected officials
Every federal and state officeholder across all 50 states, each record linked to the government roster it came from and to its Census district. Public domain, retrieved November 3, 2026.
- 7,854
- Officeholders
- 50
- States
- 66
- Government sources
- 100%
- Linked to a district
Party composition
Officeholders by chamber. Party follows each government roster; where a roster lists none, the seat is counted as having no party.
DemocraticRepublicanIndependentNo party listed
All officeholders
3,307
4,159
7,854
U.S. House
214
218
433
U.S. Senate
45
53
100
State senates
821
1,081
1,961
State houses
2,227
2,807
5,360
By state
Shaded by how many officeholders each state reports, from Nebraska's single chamber to New Hampshire's large House.
Where the data comes from
State and federal officeholders drawn only from primary government publications, with the provenance kept for every record.
State
Federal
7,321 state533 federal
66
Government publishers
1,048
Source documents
100%
Linked to a Census district
How districts share ground
Districts from different layers cover overlapping territory. Across all states there are 47,181 such overlaps, counted by pairs of districts whose boundaries meet.
U.S. House
State senate
State house
State senate
3,438
State house
6,919
8,614
County
3,782
5,442
8,321