Richard Mancuso
Lost the 2026 race for Colorado Senate District 20.
- Last margin
- −19.8
- Lost 2026
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Every race Mancuso has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Mancuso won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Raised | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | Colorado Senate District 20 | General | Lost | Sheila Lieder (D) | 40.1% | D+19.8 | $13.3K | D+17.8 | |
| 2006 | U.S. House, CO-2 | General | Lost | Mark Udall (D), Norm Olsen (L), J. A. Calhoun (G) | 28.3% | D+39.9 | $15.2K | — |
Source: 99chambers results archive; 2026: Colorado Secretary of State and civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Money
Mancuso’s campaign fundraising.
- Raised, 2025–26
- $13.3K
Source: Colorado Secretary of State (TRACER) filings through Oct 27, 2026Updated Nov 7, 2026, 1:37 PM ET
What’s next
From campaign filings, not from public statements.
| MANCUSO FOR COLORADO State | Active |
Source: Colorado Secretary of State (TRACER) filings through Oct 27, 2026Updated Nov 7, 2026, 1:37 PM ET
Who Mancuso has run against
- Sheila Lieder (D) · 2026 general, lost
- Mark Udall (D) · 2006 election, lost
Source: 99chambers results archive; 2026: Colorado Secretary of State and civicAPI (unofficial)
The seat
- Colorado Senate District 20 · lean D+17.4 · 14th most Democratic of 35
FEC H6CO02123
Source: 99chambers: presidential results on current lines (MEDSL precinct returns); Identity links: Wikidata, congress-legislators, Open States, FEC