- Lead
- 1,198
- Total
- 21,169
- vs nation
- D+7.1
Missouri 98th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,424
- Total
- 21,989
- vs nation
- D+2.0
- Lead
- 1,267
- Total
- 20,771
- vs nation
- R+8.2
- Lead
- 2,068
- Total
- 21,038
- vs nation
- R+13.7
- Lead
- 785
- Total
- 21,953
- vs nation
- R+10.8
- Lead
- 3,162
- Total
- 21,835
- vs nation
- R+12.0
- Lead
- 3,528
- Total
- 19,724
- vs nation
- R+18.4
- Lead
- 2,856
- Total
- 18,994
- vs nation
- R+23.6
Key facts
- 2024 presidential margin
- D+5.7MIT Election Lab
- Population
- 38,8342024 5-year
- Population density
- 3,082 / sq mi2024 5-year · TIGER/Line
- Land area
- 12.6 sq miTIGER/Line
- Median household income
- $96,1562024 5-year
- White (non-Hispanic)
- 79.5%2024 5-year
- Black
- 3.6%2024 5-year
- Hispanic / Latino
- 4.0%2024 5-year
- Peak Democratic margin
- D+6.5 in 2020MIT Election Lab
- Peak Republican margin
- R+42.6 in 1884MIT Election Lab
- Most similar
- State House District 100, MO · twin score 93.3
presidential history
Party record book
Missouri 98th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Joe Biden2020
52.2%
11,476 votes · D+6.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 51.5%
Republican
James G. Blaine1884
70.8%
216 votes · R+42.6 · modeled estimate
Runner-up · James A. Garfield, 1880 · 67.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
11,476votes
52.2% of the vote · D+6.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 10,902 votes
Republican
Ronald Reagan1984
15,583votes
34.5% of the vote · R+22.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Richard Nixon, 1972 · 13,379 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Kamala Harris2024
+7.1pts D vs U.S.
Place D+5.7 · U.S. R+1.5 · modeled estimate
Runner-up · John W. Davis, 1924 · +3.6 pts
Republican
William H. Taft1912
+35.1pts R vs U.S.
Place R+15.6 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Alf Landon, 1936 · +27.7 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 58.7%12,044 | 41.3%8,489 | 20,533 |
Missouri House District 98 sits within the St. Louis metropolitan orbit, where suburban demographic shifts have nudged a once-competitive seat toward consistent Democratic margins at the presidential level.
Across the recorded series it reached a Democratic high of 6.5 points in 2020 and a Republican high of 42.6 points in 1884. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 5.7 points.
A population of 38,834, a 80% non-Hispanic-white share, and a median household income of $96,156 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 100 and State House District 104.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Missouri 98th State House District. Akashic. https://akashic.app/sld-lower/29098/. Accessed May 20, 2026. License: CC BY 4.0.