- Lead
- 16,365
- Total
- 114,295
- vs nation
- D+15.8
Tennessee 20th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 16,556
- Total
- 115,408
- vs nation
- D+9.9
- Lead
- 5,229
- Total
- 97,486
- vs nation
- D+3.3
- Lead
- 3,422
- Total
- 98,216
- vs nation
- R+7.3
- Lead
- 1,083
- Total
- 105,593
- vs nation
- R+8.3
- Lead
- 11,889
- Total
- 98,647
- vs nation
- R+9.6
- Lead
- 3,735
- Total
- 83,517
- vs nation
- R+5.0
- Lead
- 3,946
- Total
- 80,109
- vs nation
- R+13.4
Key facts
- 2024 presidential margin
- D+14.3MIT Election Lab
- Population
- 216,0762024 5-year
- Population density
- 781 / sq mi2024 5-year · TIGER/Line
- Land area
- 277 sq miTIGER/Line
- Median household income
- $98,5392024 5-year
- White (non-Hispanic)
- 74.4%2024 5-year
- Black
- 10.5%2024 5-year
- Hispanic / Latino
- 7.4%2024 5-year
- Peak Democratic margin
- D+55.5 in 1936MIT Election Lab
- Peak Republican margin
- R+44.1 in 1972MIT Election Lab
- Most similar
- State Senate District 14, AR · twin score 90.3
presidential history
Party record book
Tennessee 20th 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. Roosevelt1936
77.4%
8,307 votes · D+55.5 · modeled estimate
Runner-up · Woodrow Wilson, 1912 · 69.2%
Republican
Richard Nixon1972
70.9%
41,958 votes · R+44.1 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 64.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
64,470votes
55.9% of the vote · D+14.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · 64,133 votes
Republican
George W. Bush2004
54,896votes
55.6% of the vote · R+12.1 · modeled estimate
Runner-up · John McCain, 2008 · 52,524 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
Alton B. Parker1904
+60.3pts D vs U.S.
Place D+40.7 · U.S. R+19.7 · modeled estimate
Runner-up · John W. Davis, 1924 · +45.5 pts
Republican
Richard Nixon1972
+21.0pts R vs U.S.
Place R+44.1 · U.S. R+23.2 · modeled estimate
Runner-up · George H. W. Bush, 1988 · +19.0 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.
Tennessee 20th State Senate District sits in the Border South and Appalachia. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 55.5 points in 1936 and a Republican high of 44.1 points in 1972. The 2024 margin was 14.3 points.
A population of 216,076, a 74% non-Hispanic-white share, and a median household income of $98,539 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 14 and State Senate District 42.
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 20th State Senate District. Akashic. https://akashic.app/sld-upper/47020/. Accessed May 20, 2026. License: CC BY 4.0.