State Senate District 31 State Senate District (MD) — Elections 1876–2024

Maryland 31st State Senate District, Maryland: Bellwether district. In 2024, voted D+14%. Democratic peak: D+64 in 1912.

Key facts

2024 presidential margin: D+14MIT Election Lab
Political archetype: BellwetherAkashic typology
Population: 107,1442024 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+64 in 1912MIT Election Lab
Peak Republican margin: R+46 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).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+13.8%	30,799	23,087	55,809
2020	D	+14.5%	30,956	22,895	55,459
2016	D	+2.3%	23,003	21,925	47,389
2012	R	−0.1%	22,683	22,718	46,599
2008	R	−1.8%	22,393	23,229	46,503
2004	R	−12.5%	18,507	23,864	42,929
2000	R	−7.3%	16,054	18,666	35,942
1996	R	−6.7%	12,923	14,970	30,752
1992	R	−6.9%	12,293	14,592	33,251
1988	R	−27.8%	9,930	17,651	27,782
1984	R	−32.7%	8,520	16,868	25,541
1980	R	−14.2%	9,096	12,439	23,578
1976	R	−6.1%	9,735	10,990	20,725
1972	R	−46.0%	4,672	12,844	17,776
1968	R	−14.4%	4,546	6,548	13,904
1964	D	+17.4%	6,803	4,787	11,590
1960	R	−8.0%	4,668	5,480	10,149
1956	R	−28.6%	2,846	5,127	7,973
1952	R	−22.3%	2,640	4,169	6,860
1948	R	−11.1%	1,561	1,965	3,631
1944	R	−2.8%	1,839	1,945	3,785
1940	D	+17.4%	2,349	1,649	4,013
1936	D	+14.6%	2,044	1,519	3,588
1932	D	+25.0%	1,748	1,035	2,854
1928	R	−23.6%	1,121	1,817	2,953
1924	D	+1.2%	675	657	1,479
1920	R	−10.1%	905	1,110	2,037
1916	D	+19.7%	736	485	1,275
1912	D	+63.7%	1,153	398	1,185
1908	—	No data	1,071	615	13
1904	—	No data	1,334	510	23
1900	—	No data	591	725	0
1896	R	−12.1%	563	722	1,315
1892	D	+9.5%	609	502	1,132
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

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

0.6%

85+

1.1%

2.1%

75–84

2.7%

4.4%

65–74

5.0%

6.4%

55–64

6.7%

6.1%

45–54

6.3%

7.2%

35–44

7.1%

6.9%

25–34

6.7%

4.5%

18–24

3.8%

8.4%

5–17

8.1%

3.0%

2.9%

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

Catholic & Orthodox

15.4%

Other Christian

6.2%

Methodist

4.1%

Mainline Protestant

3.3%

Baptist

2.6%

Non-Christian

1.2%

Pentecostal & Holiness

1.2%

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 sixty-four points in modern history; the Republican margin has rarely exceeded forty-six 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.

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Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

State Senate District 31, Maryland. Akashic. https://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 55,809 votes cast, 30,799 went Democratic and 23,087 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 38 elections in the dataset, the district has voted Democratic 11 times, Republican 20 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 107,144 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 38 presidential elections in State Senate District 31, Maryland from 1876 to 2024. Of those, 11 went Democratic and 20 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.

Maryland 31st State Senate District delivered D+14 in 2024.

Key facts

Demographics

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Frequently asked questions