Georgia 21st State Senate District, Georgia: Old Confederacy district. In 2024, voted R+10%. Democratic peak: D+76 in 1932.
Key facts
- 2024 presidential margin
- R+10MIT Election Lab
- Political archetype
- Old ConfederacyAkashic typology
- Population
- 317,7142024 5-year
- Median household income
- $103,3142024 5-year
- White (non-Hispanic)
- 62.1%2024 5-year
- Black
- 20.5%2024 5-year
- Hispanic / Latino
- 10.8%2024 5-year
- Peak Democratic margin
- D+76 in 1932MIT Election Lab
- Peak Republican margin
- R+26 in 2004MIT Election Lab
Constituent county margins for State Senate District 21, GAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 77,054 | 95,296 | 174,626 | ||
| R | 72,381 | 85,597 | 160,403 | ||
| R | 50,668 | 70,053 | 128,246 | ||
| R | 42,261 | 69,266 | 113,636 | ||
| R | 45,862 | 64,084 | 111,064 | ||
| R | 32,521 | 56,036 | 89,352 | ||
| R | 25,495 | 38,486 | 66,107 | ||
| R | 23,474 | 27,270 | 54,223 | ||
| D | 22,032 | 20,796 | 49,104 | ||
| R | 16,439 | 20,463 | 37,222 | ||
| R | 16,349 | 18,397 | 34,746 | ||
| D | 17,379 | 10,885 | 29,554 | ||
| D | 18,973 | 8,646 | 27,619 | ||
| R | 9,033 | 14,532 | 23,565 | ||
| D | 9,616 | 8,981 | 25,064 | ||
| D | 12,591 | 10,492 | 23,085 | ||
| D | 8,342 | 7,616 | 15,958 | ||
| D | 7,138 | 5,418 | 12,556 | ||
| D | 7,531 | 5,033 | 12,564 | ||
| D | 4,136 | 2,101 | 7,164 | ||
| D | 5,060 | 1,598 | 6,658 | ||
| D | 4,557 | 1,386 | 5,966 | ||
| D | 3,860 | 988 | 4,863 | ||
| D | 3,446 | 450 | 3,937 | ||
| R | 1,458 | 2,308 | 3,766 | ||
| D | 1,542 | 790 | 2,552 | ||
| R | 1,178 | 1,211 | 2,388 | ||
| D | 1,700 | 361 | 2,520 | ||
| D | 1,319 | 74 | 2,126 | ||
| R | 803 | 820 | 1,776 | ||
| D | 1,142 | 376 | 1,846 | ||
| D | 1,012 | 613 | 1,681 | ||
| D | 1,096 | 895 | 2,094 | ||
| D | 1,291 | 479 | 2,424 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
13.7%
German
10.0%
Irish
9.9%
American
5.8%
Italian
4.1%
Scottish
2.3%
French
1.2%
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: 38.8 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$103,314
State Senate District 21 ranks near the middle of US counties.
State Senate District 21$103,314
Georgia$77,353
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
9.0%
Child poverty is below the national average.
Children under 1810.8%
Working age (18–64)8.4%
Seniors (65+)10.4%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
85.1%
speak English only
Spanish7.7%
Other Indo-European3.6%
Asian & Pacific Islander2.5%
Other languages1.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 46.9% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of D+22.4, this DeKalb-anchored district ranks among the state's most Democratic, driven by dense urban population centers and a majority-minority electorate that has shifted the seat leftward over successive cycles.
The shift began with civil rights. 1996 marked the realignment in Georgia 21st State Senate District, by a seven points margin. The Republican margin reached its widest at twenty-six points in 2004. The 2024 margin was ten points.
The political shift has tracked, in Georgia 21st State Senate District, the political shift of the South more broadly. A 62% non-Hispanic-white share, a median household income of $103,314, and a 9% poverty rate describe the demographic context.
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, Georgia. Akashic. https://akashic.app/sld-upper/13021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 21, Georgia vote in 2024?
In 2024, State Senate District 21, Georgia voted Republican by 10.4 points (R+10), carried by the Republican candidate. Out of 174,626 votes cast, 77,054 went Democratic and 95,296 went Republican.
What is State Senate District 21, Georgia's political archetype?
Akashic classifies State Senate District 21, Georgia as a "Old Confederacy" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 20 times, Republican 14 times, and other 0 times.
When did State Senate District 21, Georgia last vote Democratic?
The most recent presidential election in which State Senate District 21, Georgia voted Democratic was 1992.
How many people live in State Senate District 21, Georgia?
State Senate District 21, Georgia has a population of 317,714 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, Georgia?
Median household income in State Senate District 21, Georgia is $103,314 — above the national median of $80,734. The Georgia state median is $77,353.
What is the political history of State Senate District 21, Georgia?
Akashic tracks 38 presidential elections in State Senate District 21, Georgia from 1876 to 2024. Of those, 20 went Democratic and 14 went Republican. The district's archetype — "Old Confederacy" — captures the overall trajectory of that voting record.