DemocraticIncumbent
Missouri › Missouri House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026
Missouri House District 90
Mark Boyko has no major-party opponent.
Mark Boyko has no major-party opponent.
The candidates
The district
Lean D+27: 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
- 32,263
- People per km²
- 1,043
- Adults with a B.A.+
- 73%
- White, no degree
- 22%of adults
- White 85%
- Hispanic 2%
- Black 2%
- Asian 2%
- Other / multiracial 9%
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
22,544 votes · D+21.3✓ Mark Boyko (D)60.6%
Scott Mathewson (R)39.4%
2024 President Vote in this district
22,541 two-party votes · D+26.9 · D+28.4 vs. the nation✓ Kamala Harris (D)63.4%
Donald Trump (R)36.6%
2022
18,150 votes · D+25.1✓ Barbara Phifer (D)62.6%
Gary Albert Bokermann Jr (R)37.4%
2020 Earlier district lines
24,433 votes · D+13.4✓ Barbara Phifer (D)56.7%
Anne Landers (R)43.3%
2020 President Vote in this district
23,727 two-party votes · D+25.7 · D+21.1 vs. the nation✓ Joe Biden (D)62.8%
Donald Trump (R)37.2%
2016 President Vote in this district
21,750 two-party votes · D+14.7 · D+12.5 vs. the nation✓ Hillary Clinton (D)57.3%
Donald Trump (R)42.7%