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U.S. House · All Maryland races

Maryland District 2

Solid D
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Johnny Olszewski
Democratic · incumbent
100 in 100
50–50chance of winning, out of 100
Dave Wallace
Republican
0 in 100

Johnny Olszewski wins in 100 of 100 simulations.

There are no qualifying public polls yet, so the forecast leans on fundamentals; partisan lean, the national environment and incumbency point to Johnny Olszewski +33.3.

Where the result could land

Every simulated outcome, grouped in 2-point steps. Projected margin Olszewski +33.3; 80 in 100 fall between Olszewski +26.0 and Olszewski +40.5.

Wallace +30Wallace +20Wallace +10Olszewski +10Olszewski +20Olszewski +30Tie

The candidates

Johnny OlszewskiIncumbent
Democratic
No biography on file yet.
Dave Wallace
Republican
No biography on file yet.

Ballot list and short bios from Wikipedia (CC BY-SA); websites from Wikidata.

What if this race flips? Try it in the map builder →

Polls

No public polls have tested Johnny Olszewski against Dave Wallace yet.

No polls of this matchup yet, so there is no polling average. The forecast relies on fundamentals.

Chance of winning over time

How this race’s odds have moved as polls and the national environment changed.

No change over the past 3 months
020406080100Aug 1Sep 1Oct 1

Out of 100. Today: Olszewski 100, Wallace 0.

What’s driving the forecast

The model blends each estimate by how much to trust it right now. Polls get 0% of the weight, 15 days out.

Polling average (after adjustments)—no polls
Partisan lean (Cook PVI, 2026 lines) D+10.0roughly 20 points of margin vs. the nation
National environment D+9.6generic ballot + presidential approval
IncumbencyOlszewski +3.6incumbent’s side
Fundamentals estimateOlszewski +33.3±6 typical error
Expert ratings (average)—used only in the “+ Expert ratings” version
ForecastOlszewski +33.3±5.7 standard deviation, including 2.3 for movement before Election Day

All three versions

  • Polls only: Johnny Olszewski 100 in 100 (Solid D)
  • Polls + fundamentals: Johnny Olszewski 100 in 100 (Solid D)
  • Polls + fundamentals + experts: Johnny Olszewski 100 in 100 (Solid D)

Rules and notes

  • Incumbent renominated

House races, closest first · this is #319 of 421