state senate
A state senate district is an area defined by a state in which voters elect representatives to a state legislature's upper chamber. The size of state senate districts varies widely from state to state. In California, state senators represent about 1 million people on average. In North Dakota and Wyoming, state senators represent about 20,000 people on average.
This table includes records for each of the ~2,000 state senate districts in the US, with year-specific entries representing what a given district looked like at a specific point in time.
Field | Description |
|---|---|
year | The year a given district was put into effect. |
is latest version | A boolean indicating whether a record represents the latest available version of a given district. |
sldu fips | A unique 5-character code, maintained by the US Census, assigned to each district in a state legislature's upper chamber. |
sldu name | The district's name, according to the US Census. ("SLDU" is an acronym for "state legislative district upper," which is how the Census refers to these districts.) |
state fips | A unique 2-digit code, maintained by the US Census, for the state this district sits within. |
state abbreviation | The two-letter abbreviation for the state this district sits within. |
state name | The name of the state this district sits within. |
shape |
[
{
"year": "2010",
"is_latest_version": false,
"sldu_fips": "04020",
"sldu_name": "State Senate District 20",
"state_fips": "04",
"state_abbreviation": "AZ",
"state_name": "Arizona",
"shape": "POLYGON((-112.016347 33.370803, -112.016591 33.370742, ...))"
}
]
Last modified 2mo ago