Maryland 31st State Senate District, Maryland: Bellwether district. In 2024, voted D+14%. Democratic peak: D+15 in 2020.
Key facts
- 2024 presidential margin
- D+14MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 130,7392024 5-year
- Median household income
- $124,9112024 5-year
- White (non-Hispanic)
- 63.4%2024 5-year
- Black
- 17.9%2024 5-year
- Hispanic / Latino
- 10.5%2024 5-year
- Peak Democratic margin
- D+15 in 2020MIT Election Lab
- Peak Republican margin
- R+2 in 2008MIT Election Lab
Constituent county margins for State Senate District 31, MDOne 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.
5 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 37,581 | 28,171 | 68,099 | ||
| D | 37,773 | 27,937 | 67,672 | ||
| D | 28,068 | 26,753 | 57,825 | ||
| R | 27,678 | 27,721 | 56,861 | ||
| R | 27,324 | 28,344 | 56,744 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
14.6%
Irish
13.1%
English
11.9%
Italian
6.0%
American
4.0%
Polish
3.3%
Scottish
2.0%
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: 39.0 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
$124,911
State Senate District 31 ranks near the middle of US counties.
State Senate District 31$124,911
Maryland$103,678
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
5.6%
Child poverty is below the national average.
Children under 185.8%
Working age (18–64)5.5%
Seniors (65+)7.2%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
86.1%
speak English only
Spanish6.9%
Other Indo-European2.9%
Asian & Pacific Islander2.6%
Other languages1.4%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 66.0% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin exceeding 52 points, this district ranks among the most heavily Democratic constituencies in the state, reflecting the dense urban or inner-suburban composition typical of such lopsided results.
The Democratic margin in Maryland 31st State Senate District has rarely exceeded fifteen points in modern history; the Republican margin has rarely exceeded two points. 2024 delivered the district to the Democratic candidate by fourteen points.
Its demographics resemble the country more than they resemble most districts. A 63% non-Hispanic-white share, a 6% poverty rate, and a median household income of $124,911 — all within the broad national range.
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State Senate District 31, Maryland — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/sld-upper/24031/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State Senate District 31, Maryland vote in 2024?
In 2024, State Senate District 31, Maryland voted Democratic by 13.8 points (D+14), carried by the Democratic candidate. Out of 68,099 votes cast, 37,581 went Democratic and 28,171 went Republican.
What is State Senate District 31, Maryland's political archetype?
Akashic classifies State Senate District 31, Maryland as a "Bellwether" district based on its long-arc presidential voting pattern. Across 5 elections in the dataset, the district has voted Democratic 3 times, Republican 2 times, and other 0 times.
When did State Senate District 31, Maryland last vote Republican?
The most recent presidential election in which State Senate District 31, Maryland voted Republican was 2012.
How many people live in State Senate District 31, Maryland?
State Senate District 31, Maryland has a population of 130,739 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 31, Maryland?
Median household income in State Senate District 31, Maryland is $124,911 — above the national median of $80,734. The Maryland state median is $103,678.
What is the political history of State Senate District 31, Maryland?
Akashic tracks 5 presidential elections in State Senate District 31, Maryland from 2008 to 2024. Of those, 3 went Democratic and 2 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.