Elections Intelligence

California 21st District

DEFENDED SEAT
SAFE D
Jim Costa Democratic · Incumbent
KALSHI PARTY MARKETCHECKED Aug 27
DEMOCRAT 95.9¢7.9¢
View market on Kalshi ↗
Kyle Kirkland Republican · Challenger
FTP RACE SIGNAL

The market has run well past this seat's history — a 5-point Democratic hold in 2024, priced at 95.9¢ today.

Safe D
SAFE DLIKELY DLEAN DTOSS-UPLEAN RLIKELY RSAFE R
Market · Safe DD 95.9¢ — traders' price for a Democratic hold. Prior result · Lean DD+5.2 in 2024.
Signal clarityMediumas of 2026-08-27
MARKET BandPRICEToss-up50–65¢Lean65–82¢Likely82–95¢Safe95¢ and above
D 95.9¢

Kalshi party market · checked Aug 27

View market on Kalshi ↗
POLLING BandPOINTSToss-up0–5Lean5–10Likely10–20Safe20 and above

No qualifying general-election poll has been retrieved for this race.

PRIOR RESULT BandPOINTSToss-up0–5Lean5–12Likely12–25Safe25 and above
D+5.2

Jim Costa (D)

52.6 — 47.4 · 2024 general election

def. Michael Maher (R). Margin verified against retrieved official results.

FUNDRAISING BandRATIO TO 1Parity1–5Lean5 and above
3.9 to 1
Jim Costa$1.34M
Kyle Kirkland$339.0K

PULLED 08-04 · PERIOD 06-30 · FEC

Total receipts this cycle. Parity — neither campaign leads by enough for fundraising to take a place on the spectrum.

BALLOT & DATES Top-two primary 06-02 · HELDGeneral Nov 3, 2026 Top-two field settled · both advancers on the November ballot COMPARE THE CANDIDATES ⇄