CC BY 2.0
DemocratRunning for WI Governor · 2026
Mandela Barnes
J. Mandela Barnes (born Jesse Mandela Barnes , December 1, 1986) is an American politician who served as the 45th lieutenant governor of Wisconsin from 2019 to 2023. A member of the Democratic Party , he was the state representative for the 11th district from 2013 to 2017. Barnes is the first African American to serve as Wisconsin's lieutenant governor.
Born 1986 · Milwaukee , Wisconsin , U.S.
In brief
—
No profile summary yet
Summaries are written and fact-checked against the underlying data in nightly batches. This candidate's hasn't been generated or verified yet.
48%
Polling average
our aggregate
79%
Win probability
market-implied
$1
Raised this cycle
FEC · committee
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Career & history
2013Member of the Wisconsin State Assembly
2013–2017
2019Lieutenant Governor of Wisconsin
2019–2023
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Donors & money
FEC itemized filings · cycle-to-dateWho funds the campaign.
$1
Raised
$5k
Spent
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2025-06-30 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING.
Race
The contest Barnes is running in.
WI · GOVERNOR · 2026lean d
Barnes (D) vs Sara Rodriguez (D)
48%+1.0 Barnes47%
Open full race detail →
Related prediction markets
All markets →Live contract prices tied to Barnes and the seat. Prices are ¢-per-share of the YES outcome; context only, never merged into our polling averages.
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: SUSAN RUGGLES · CC BY 2.0 (WIKIMEDIA COMMONS)
Related coverage
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In Wisconsin, key primary approaching this August in open governor's race
Democrat · WI Governor
Mandela Barnes
J. Mandela Barnes (born Jesse Mandela Barnes , December 1, 1986) is an American politician who served as the 45th lieutenant governor of Wisconsin from 2019 to 2023. A member of the Democratic Party , he was the state representative for the 11th district from 2013 to 2017. Barnes is the first African American to serve as Wisconsin's lieutenant governor.
Where Barnes standsRace →
Barnes 48%Sara Rodriguez 47%
Market · wins
79¢
48%
Poll avg
79%
Win prob
$1
Raised
In brief
—
No profile summary yet
Summaries are written and fact-checked against the underlying data in nightly batches. This candidate's hasn't been generated or verified yet.
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
Career & history
2013Member of the Wisconsin State Assembly
2013–2017
2019Lieutenant Governor of Wisconsin
2019–2023
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Donors & money
$1
Raised
$5k
Spent
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2025-06-30 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING.
Race
WI · GOVERNOR · 2026lean d
Barnes (D) vs Sara Rodriguez (D)
48%+1.0 Barnes47%
Open full race detail →
Related prediction markets
All markets →Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: SUSAN RUGGLES · CC BY 2.0 (WIKIMEDIA COMMONS)