DemocraticIncumbent
Iowa › Iowa House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026
Iowa House District 86
Dave Jacoby has no major-party opponent.
Dave Jacoby has no major-party opponent.
The candidates
The district
Lean D+52: how much more Democratic or Republican than the nation it votes for president.
Presidential vote
Precinct results re-aggregated to the current district lines.
Who lives here
- Population
- 28,502
- People per km²
- 617
- Adults with a B.A.+
- 55%
- White, no degree
- 27%of adults
- White 66%
- Hispanic 5%
- Black 14%
- Asian 8%
- Other / multiracial 6%
American Community Survey 2020–2024, aggregated from census tracts.
Past results
Results in the same-numbered district; earlier elections may have used different lines.
2024
16,504 votes · D+52.3✓ Dave Jacoby (D)76.0%
Stephen Knoner (R)23.8%
2024 President Vote in this district
16,953 two-party votes · D+50.6 · D+52.1 vs. the nation✓ Kamala Harris (D)75.3%
Donald Trump (R)24.7%
2022
10,701 votes · Uncontested by the other party✓ Dave Jacoby (D)98.3%
Write-In (—)1.7%
2020 Earlier district lines
13,960 votes · Uncontested by the other party✓ Mary Mascher (D)98.6%
Writein (—)1.4%
2020 President Vote in this district
16,680 two-party votes · D+54.3 · D+49.8 vs. the nation✓ Joe Biden (D)77.2%
Donald Trump (R)22.8%
2016 President Vote in this district
13,683 two-party votes · D+49.5 · D+47.3 vs. the nation✓ Hillary Clinton (D)74.8%
Donald Trump (R)25.2%