Mississippi State Senate seat · lines in effect since 2026
Mississippi Senate District 40
A district of about 60,000 people, 17% of adults with a bachelor's degree. It votes R+65.4 relative to the nation for president.
Where it sits among all 51 seats
Every Mississippi State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2020 | 2024 | |
|---|---|---|
| U.S. Senate | R+44.0 | R+65.0 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 51 seats. Small marks are other seats in Mississippi. The black marker is District 40.
Lower than 90% of seats.
Higher than 98% of seats.
Higher than 68% of seats.
Lower than 92% of seats.
Lower than 76% of seats.
Denser than 54% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 4MississippiR+67.1Not up in 2026District 46
24% college gradsR+61.9Not up in 2026District 42
22% college gradsR+70.5Not up in 2026District 5
MississippiR+76.5Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET