Skip to main content

Robert B Duncan

3 races across House, Senate in Oregon, 2W-1L

Democratic
US HouseUS Senate
Electoral Grade
Requires 3+ graded races
3
Races
2-1
W-L (67%)
-3.5
Avg Margin
1966–1978
Career Span
Best: +-3.5 (1966 Senate)Worst: -3.5 (1966 Senate)
67%
Win Rate
-14.4
Avg Overperformance
2
Win Streak
12 yrs
Career Span
330K
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 Timeline

--
Candidate Votes
--
Vote %
--
Total Votes
--
Margin
Top opponent: Martin SimonOTH

Geographic Performance

3 races with county data

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

Unlock with Pro$33/mo

County Results Table

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

Unlock with Pro$33/mo

Demographic Coalition Analysis

3 races available

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

Unlock with Insider$99/mo

Primary History

5 primaries

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

Unlock with Pro$33/mo
Historian Query

Ask the Historian

Curious about Robert B Duncan's performance?

Ask the Historian

Interactive AI-powered chat about Robert B Duncan's career, opponents, and performance.

Unlock with Insider$99/mo
Export & ShareCSV (Insider)JSON (Insider)
Share