are you sure you didn't mean legislative disricts? it could be the same thing, if it is then there is 47.
There are 40 senate districts in California.
6,719
The Maryland House of Delegates and the Mayland Senate.
West Virginia has 17 Senate districts.
Illinois has 19 Congressional Districts.There are 19 Congressional districts in Illinois.
One Hundred and Fifty-two
There are 30 Senators from 13 different districts with senators per district ranging from one to six.
US congressional districts
29
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Senate seats are not assigned based on congressional districts - Apex
Washington State comprises of forty-nine districts, and each district elects two representatives and one senator. The Washington Legislature is bicameral, and has a lower House of Representatives, and upper State Senate.