- Lead
- 43,396
- Total
- 102,012
- vs nation
- R+41.1
Tennessee 18th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 37,698
- Total
- 96,628
- vs nation
- R+43.5
- Lead
- 33,125
- Total
- 74,665
- vs nation
- R+46.5
- Lead
- 27,796
- Total
- 68,362
- vs nation
- R+44.5
- Lead
- 23,675
- Total
- 70,601
- vs nation
- R+40.8
- Lead
- 18,186
- Total
- 65,159
- vs nation
- R+25.5
- Lead
- 4,467
- Total
- 53,422
- vs nation
- R+8.9
- Lead
- 726
- Total
- 45,653
- vs nation
- R+10.1
Key facts
- 2024 presidential margin
- R+42.5MIT Election Lab
- Population
- 207,8962024 5-year
- Population density
- 323 / sq mi2024 5-year · TIGER/Line
- Land area
- 644 sq miTIGER/Line
- Median household income
- $89,4272024 5-year
- White (non-Hispanic)
- 78.9%2024 5-year
- Black
- 8.4%2024 5-year
- Hispanic / Latino
- 6.4%2024 5-year
- Peak Democratic margin
- D+82.3 in 1932MIT Election Lab
- Peak Republican margin
- R+44.4 in 2016MIT Election Lab
- Most similar
- State Senate District 3, TN · twin score 95.3
presidential history
Party record book
Tennessee 18th State Senate 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
Franklin D. Roosevelt1932
90.9%
4,728 votes · D+82.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 86.8%
Republican
Donald Trump2024
70.7%
72,126 votes · R+42.5 · modeled estimate
Runner-up · Donald Trump, 2016 · 70.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
28,730votes
28.2% of the vote · R+42.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 28,692 votes
Republican
Donald Trump2024
72,126votes
70.7% of the vote · R+42.5 · modeled estimate
Runner-up · Donald Trump, 2020 · 66,390 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
John W. Davis1924
+94.9pts D vs U.S.
Place D+69.7 · U.S. R+25.2 · modeled estimate
Runner-up · Alton B. Parker, 1904 · +73.2 pts
Republican
Donald Trump2016
+46.5pts R vs U.S.
Place R+44.4 · U.S. D+2.1 · modeled estimate
Runner-up · Mitt Romney, 2012 · +44.5 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 | R | 27.6%24,966 | 72.4%65,639 | 90,605 |
Its Republican presidential margin was R+42.5 in 2024 and R+33.5 in 2008. Evangelical Protestant adherents were the largest religious group at 40.8% in the 2020 US Religion Census.
Across the recorded series it reached a Democratic high of 82.3 points in 1932 and a Republican high of 44.4 points in 2016. Between 2020 and 2024 the district moved 3.5 points toward the Republican candidate; the 2024 margin was 42.5 points.
A population of 207,896, a 79% non-Hispanic-white share, and a median household income of $89,427 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 3 and State Senate District 8.
The state-senate 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 →
Tennessee 18th State Senate District. Akashic. https://akashic.app/sld-upper/47018/. Accessed May 20, 2026. License: CC BY 4.0.