Candidates

室井 一真 — Kanagawa 19th District 2026

Updated 25 Tháng 5, 2026
  • chevron_rightOutcome: Lost in Kanagawa 19th District (2026) — 18,304 votes (8.9%), rank #4 of 4.
  • chevron_rightProfile: Female, age 40. Background: その他. Status entering: Newcomer.
fact_check Quick Facts
Age
40 yrs
Gender
female ♀ Female
Election Date
Th10 22, 2026
System
Single-member
Seats Recorded

Election Performance

Vote Count & Share

Votes
18,304
Vote Share
8.9%
Rank
#4
Outcome
Lost

Win/Loss Outcome

Outcome
Did not win seat in 2026

Political Context

Party Affiliation

Sanseito
参政
Party Candidates 2026
197
Party Seats Won
15
Prefectures
56
Avg Share
10.8%

Occupation & Background

Categoryその他
Detail内装工事会社役員

Incumbency & Career Wins

  • Status entering the 2026 election: Newcomer
  • Age at time of election: 40

Comparative Snapshot

Same District Rivals

RankCandidatePartyVotesShare
#1草間 剛LDP83,45040.7%
#2深作 ヘススDPP77,37137.7%
#3添田 勝Ishin26,09012.7%
#4室井 一真 this pageSanseito18,3048.9%

Same-Party Peers in 2026

  • 直原 美和子 — Toyama 3rd District, 8.9% (Lost)
  • 高橋 翔太 — Hokkaido 4th District, 9.0% (Lost)
  • 塚原 雅也 — Gifu 2nd District, 8.8% (Lost)
  • 井上 誠也 — Osaka 10th District, 8.7% (Lost)
  • 松岡 登志子 — Tokyo 5th District, 8.7% (Lost)

Candidates with Similar Vote Share

  • 石崎 徹 (Ishin, Tokyo 3rd District) — 8.9%
  • 直原 美和子 (Sanseito, Toyama 3rd District) — 8.9%
  • 渡部 結 (JCP, Osaka 3rd District) — 9.0%
  • 大石 晃子 (Reiwa, Osaka 5th District) — 9.0%
  • 高橋 翔太 (Sanseito, Hokkaido 4th District) — 9.0%

Kanagawa 19th District Historical Context

YearWinnerPartyWinning VotesWinning ShareField SizeMargin
2026草間 剛LDP83,45040.7%46,079
2024草間 剛LDP64,31531.3%613,458

Kanagawa Snapshot (2026)

Districts
20
Candidates
70
Seats Filled
20
Active Parties
9

Party representation across Kanagawa

LDP20 cand · 20 won
Centrist16 cand · 0 won
Sanseito10 cand · 0 won
JCP9 cand · 0 won
Ishin6 cand · 0 won
DPP6 cand · 0 won
Independent1 cand · 0 won
SDP1 cand · 0 won
Reiwa1 cand · 0 won

Top performers across Kanagawa (2026)

CandidateDistrictPartyVotesShareResult
小泉 進次郎Kanagawa 11th DistrictLDP149,02979.5%Won
河野 太郎Kanagawa 15th DistrictLDP141,58062.5%Won
三谷 英弘Kanagawa 8th DistrictLDP140,71759.0%Won
丸尾 南都子Kanagawa 1st DistrictLDP121,89953.1%Won
古川 直季Kanagawa 6th DistrictLDP120,66760.7%Won
中西 健治Kanagawa 3rd DistrictLDP114,48547.7%Won
新田 章文Kanagawa 2nd DistrictLDP112,93047.9%Won

Where 室井 一真 ranks

Among Sanseito single-member candidates in 2026
Higher vote share than 29.1% (53 of 182)
Among ALL single-member candidates in 2026
Higher vote share than 22.5% (252 of 1119)

その他 cohort (2026)

Cohort Size
224
Cohort Wins
17
Cohort Avg Share
15.0%
Cohort Avg Age
51

室井 一真's 8.9% vote share is 6.08 percentage points below the その他 cohort average for 2026.

Frequently Asked Questions

Who has won Kanagawa 19th District in recent elections?expand_more
Recorded winners of Kanagawa 19th District: 草間 剛 (2026); 草間 剛 (2024).
How many Kanagawa districts ran candidates in 2026?expand_more
Kanagawa had 20 districts with 70 total candidates in 2026, of whom 20 won seats.
Did 室井 一真 win the 2026 election?expand_more
室井 一真 did not win the 2026 House of Representatives race in Kanagawa 19th District, recording 18,304 votes (8.9%).
Which party did 室井 一真 represent?expand_more
室井 一真 ran as a Sanseito candidate. The party fielded 197 candidates in 2026.
Who won Kanagawa 19th District in 2026?expand_more
草間 剛 (LDP) won Kanagawa 19th District with 83,450 votes, a vote share of 40.7%.