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Michael N Castle

Undefeated house candidate from Delaware with a perfect 12-0 record

Republican
US HouseGovernorState Senate
Electoral Grade
—
Requires 3+ graded races
12
Races
12-0
W-L (100%)
-20.2
Avg Margin
1968–2008
Career Span
Best: +-8.1 (1968 State Senate)Worst: -41.5 (1988 Governor)
100%
Win Rate
+17.1
Avg Overperformance
12
Win Streak
40 yrs
Career Span
312K
Career Votes

Evidence & provenance

Source owners

Certified contest returns, candidate career records, and Akashic Edge deterministic grading inputs.

Freshness

Rendered Apr 14, 2026 from the latest candidate, contest, and forecast tables loaded in Akashic Edge.

Boundary scope

Candidate-level profile spanning every contest recorded for this person in Akashic Edge.

Claim type

Deterministic summaries, calculated grades, and certified election history. No freeform AI prose.

Source chain

MethodologyCertified contest returnsCandidate grade inputs
Open methodology

Career Margin Trend3 races

State Senate
Governor
R+40R+20EvenD+20D+401968: R+8.1 - Click to view1984: R+11.1 - Click to view1988: R+41.5 - Click to view196819841988

Career Timeline

2008 US HouseDelawareDistrict 0
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Candidate Votes
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Vote %
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Total Votes
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Margin
Top opponent: Karen Hartley-NagleDEM

Key Insights

2 insights generated

Deterministic highlights from career record, margins, and standout performances.

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Geographic Performance

12 races with county data

County-level results, strongest and weakest counties, and performance by county type.

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County Results Table

Sortable, searchable table of every county result for each race.

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Demographic Coalition Analysis

12 races available

Scatter plots correlating county performance with demographics: race, education, income, foreign-born.

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Opponents Faced11 opponents

Micheal C MillerDEM
2-02 matchups · 2000–2002
Karen Hartley-NagleDEM
1-02008 House
Michael BergGRN
1-02006 House
WriteinOTH
1-02004 House
OtherOTH
1-01998 House
Robert E \"bob\" MattsonOTH
1-01996 House
Carol Ann DeSantisDEM
1-01994 House
Peggy SchmittLIB
1-01992 House
Jacob KreshtollDEM
1-01988 Governor(-41.5)
William T. QuillenDEM
1-01984 Governor(-11.1)
Russell D DineenDEM
1-01968 State Senate(-8.1)

Primary History

3 primaries

Primary election results, win rates, field sizes, and vote share.

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Historian Query

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Interactive AI-powered chat about Michael N Castle's career, opponents, and performance.

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