akashic
1876–2024
State Senate District 21·Tennessee

Tennessee 21st State Senate District has voted Democratic in nine straight presidential cycles.

One of Tennessee's most reliably Republican legislative districts

1876 — 2024·38 elections
TN
Latest
D+27
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
84,927
2024 ACS

Tennessee 21st State Senate District, Tennessee: Democratic loyalist district. In 2024, voted D+27%. Democratic peak: D+70 in 1936.

Key facts

2024 presidential margin
D+27MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
84,9272024 5-year
Median household income
$77,8532024 5-year
White (non-Hispanic)
55.2%2024 5-year
Black
24.6%2024 5-year
Hispanic / Latino
13.9%2024 5-year
Peak Democratic margin
D+70 in 1936MIT Election Lab
Peak Republican margin
R+25 in 1972MIT Election Lab
2024 results by constituent county
1 counties · 1 D · 0 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+27.2%
21,59012,13934,687
D
+32.1%
23,70811,89736,761
D
+25.8%
17,67210,03729,568
D
+18.5%
16,99011,58929,148
D
+21.0%
18,80712,21731,398
D
+10.3%
15,75812,80228,765
D
+17.4%
14,3069,98624,762
D
+16.1%
13,1549,31323,788
D
+14.6%
12,6269,09024,195
R
−4.9%
10,59811,70522,431
R
−4.6%
10,62511,65222,415
D
+21.6%
12,3167,80820,847
D
+23.7%
11,7547,20119,184
R
−25.1%
5,8019,81016,002
O
+0.3%
5,2885,24416,217
D
+27.3%
9,4245,38214,806
D
+6.7%
7,0816,18213,367
D
+20.8%
6,7464,40211,263
D
+17.9%
6,1214,26410,403
D
+33.1%
2,4789984,469
D
+44.4%
3,1451,2084,364
D
+51.8%
3,2751,0404,315
D
+69.9%
3,0315303,580
D
+49.7%
2,5218313,403
R
−6.5%
1,5961,8193,419
D
+39.7%
1,3495362,048
D
+32.1%
1,5858092,415
D
+47.0%
1,0633761,463
D
+64.8%
1,1301701,482
D
+49.7%
9863231,333
D
+58.5%
9182261,182
D
+45.0%
8152971,152
D
+13.1%
8926791,622
D
+44.8%
1,0073551,456
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
11.0%
German
8.9%
Irish
8.0%
American
5.6%
Italian
2.9%
Scottish
2.2%
French
1.5%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 34.6 in this county, 39.1 nationally
Male
Age
Female
0.4%
85+
0.8%
1.5%
75–84
2.1%
3.7%
65–74
4.4%
5.1%
55–64
5.6%
5.5%
45–54
5.6%
7.3%
35–44
7.3%
9.7%
25–34
10.5%
4.6%
18–24
5.0%
7.2%
5–17
7.0%
3.3%
<5
3.2%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$77,853
State Senate District 21 ranks near the middle of US counties.
State Senate District 21$77,853
Tennessee$69,595
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
13.9%
Children face moderate poverty.
Children under 1820.9%
Working age (18–64)12.2%
Seniors (65+)11.2%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
80.8%
speak English only
Spanish10.8%
Other languages3.8%
Other Indo-European2.4%
Asian & Pacific Islander2.2%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Baptist
17.2%
Other Christian
16.8%
Catholic & Orthodox
11.1%
Mainline Protestant
5.1%
Methodist
4.3%
Pentecostal & Holiness
3.7%
Non-Christian
3.6%
Source · 2020 US Religion Census. Remaining 38.2% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of R+45.9, this Middle or East Tennessee district ranks among the state's most one-sided constituencies, where general-election outcomes are typically decided in the primary.

The Democratic margin in Tennessee 21st State Senate District reached its widest at seventy points in 1936. The margin in 2024 was twenty-seven points — still decisive.

Its loyalty is rooted in its place. Median household income of $77,853, a 55% non-Hispanic-white share, and a population of 84,927 together describe a district whose political habits are deeply settled.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 21, Tennessee. Akashic. https://akashic.app/sld-upper/47021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 21, Tennessee vote in 2024?
In 2024, State Senate District 21, Tennessee voted Democratic by 27.2 points (D+27), carried by the Democratic candidate. Out of 34,687 votes cast, 21,590 went Democratic and 12,139 went Republican.
What is State Senate District 21, Tennessee's political archetype?
Akashic classifies State Senate District 21, Tennessee as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 29 times, Republican 4 times, and other 1 times.
When did State Senate District 21, Tennessee last vote Republican?
The most recent presidential election in which State Senate District 21, Tennessee voted Republican was 1988.
How many people live in State Senate District 21, Tennessee?
State Senate District 21, Tennessee has a population of 84,927 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 21, Tennessee?
Median household income in State Senate District 21, Tennessee is $77,853 — below the national median of $80,734. The Tennessee state median is $69,595.
What is the political history of State Senate District 21, Tennessee?
Akashic tracks 38 presidential elections in State Senate District 21, Tennessee from 1876 to 2024. Of those, 29 went Democratic and 4 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.