akashic
1876–2024
State Senate District 21·Maryland

Maryland 21st State Senate District has voted Democratic in ten straight presidential cycles.

A mid-margin Baltimore-area district that rarely delivers landslides

1876 — 2024·38 elections
MD
Latest
D+50
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
113,481
2024 ACS

Maryland 21st State Senate District, Maryland: Democratic loyalist district. In 2024, voted D+50%. Democratic peak: D+69 in 1912.

Key facts

2024 presidential margin
D+50MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
113,4812024 5-year
Median household income
$110,0352024 5-year
White (non-Hispanic)
30.6%2024 5-year
Black
44.2%2024 5-year
Hispanic / Latino
18.2%2024 5-year
Peak Democratic margin
D+69 in 1912MIT Election Lab
Peak Republican margin
R+27 in 1972MIT Election Lab
2024 results by constituent county
2 counties · 2 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
+49.6%
37,10311,97550,669
D
+54.6%
40,54311,46553,266
D
+51.0%
34,86510,77347,274
D
+50.4%
35,04011,29547,097
D
+47.9%
33,74811,72346,017
D
+33.6%
26,81313,23440,441
D
+34.0%
22,50610,85034,259
D
+29.0%
18,3189,66129,895
D
+22.4%
17,47810,29932,098
D
+2.5%
13,93213,24927,448
R
−0.1%
13,57013,60627,313
D
+1.0%
10,94910,70523,663
D
+8.3%
12,17810,31422,493
R
−26.8%
7,84513,68921,809
R
−4.7%
7,1598,04818,768
D
+24.4%
8,7935,33914,132
D
+8.4%
6,4815,47911,961
R
−10.6%
4,0635,0299,092
R
−16.3%
3,2134,4707,734
R
−3.9%
1,7211,8623,656
R
−0.6%
1,7601,7813,541
D
+22.8%
2,1491,3473,513
D
+23.3%
1,9201,1903,127
D
+25.8%
1,5419002,489
R
−21.1%
9301,4302,375
R
−3.5%
6426951,509
R
−12.9%
7119241,656
D
+12.9%
544416994
D
+68.5%
846261854
—
No data
79543611
—
No data
98140911
—
No data
4355361
R
−12.5%
403520939
D
+7.1%
432374817
—
No data
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—
No data
———
—
No data
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—
No data
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
6.9%
Irish
6.2%
English
5.6%
American
3.4%
Italian
2.9%
Polish
1.5%
Scottish
0.7%
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: 38.7 in this county, 39.1 nationally
Male
Age
Female
0.5%
85+
1.1%
1.8%
75–84
2.5%
4.2%
65–74
5.2%
6.3%
55–64
7.0%
6.2%
45–54
6.6%
6.9%
35–44
6.9%
6.9%
25–34
6.9%
4.6%
18–24
4.3%
8.3%
5–17
8.0%
3.1%
<5
3.0%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$110,035
State Senate District 21 ranks near the middle of US counties.
State Senate District 21$110,035
Maryland$103,678
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
8.9%
Child poverty is below the national average.
Children under 1811.5%
Working age (18–64)8.2%
Seniors (65+)9.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
75.3%
speak English only
Spanish15.0%
Other languages3.7%
Other Indo-European3.5%
Asian & Pacific Islander2.4%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
12.2%
Other Christian
10.1%
Baptist
6.5%
Methodist
5.8%
Non-Christian
5.5%
Pentecostal & Holiness
2.4%
Mainline Protestant
2.0%
Source · 2020 US Religion Census. Remaining 55.6% of residents not counted as adherents by any reporting body.

Maryland's 21st Senate District posts a modest Democratic lean by state standards, suggesting a competitive suburban electorate that has historically resisted the double-digit margins seen in neighboring urban districts.

The Democratic margin in Maryland 21st State Senate District reached its widest at sixty-nine points in 1912. The margin in 2024 was fifty points — still decisive.

Its loyalty is rooted in its place. Median household income of $110,035, a 31% non-Hispanic-white share, and a population of 113,481 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, Maryland. Akashic. https://akashic.app/sld-upper/24021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 21, Maryland vote in 2024?
In 2024, State Senate District 21, Maryland voted Democratic by 49.6 points (D+50), carried by the Democratic candidate. Out of 50,669 votes cast, 37,103 went Democratic and 11,975 went Republican.
What is State Senate District 21, Maryland's political archetype?
Akashic classifies State Senate District 21, Maryland as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 20 times, Republican 11 times, and other 0 times.
When did State Senate District 21, Maryland last vote Republican?
The most recent presidential election in which State Senate District 21, Maryland voted Republican was 1984.
How many people live in State Senate District 21, Maryland?
State Senate District 21, Maryland has a population of 113,481 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, Maryland?
Median household income in State Senate District 21, Maryland is $110,035 — above the national median of $80,734. The Maryland state median is $103,678.
What is the political history of State Senate District 21, Maryland?
Akashic tracks 38 presidential elections in State Senate District 21, Maryland from 1876 to 2024. Of those, 20 went Democratic and 11 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.