Maryland 4th Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +80.1% |
| 2012 | +83.2% |
| 2016 | +81.7% |
| 2020 | +82.0% |
| 2024 | +73.6% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 4 | D | 88.4%239,596 | 11.2%30,454 | 270,970 |
| 2022 | 4 | D | 90.1%144,168 | 9.7%15,441 | 160,009 |
| 2020 | 4 | D | 79.6%282,119 | 20.2%71,671 | 354,529 |
| 2018 | 4 | D | 78.1%209,642 | 19.9%53,327 | 268,583 |
| 2016 | 4 | D | 74.1%237,501 | 21.4%68,670 | 320,650 |
| 2014 | 4 | D | 70.2%134,628 | 28.3%54,217 | 191,837 |
| 2012 | 4 | D | 77.2%240,385 | 20.7%64,560 | 311,512 |
| 2010 | 4 | D | 83.4%160,228 | 16.4%31,467 | 192,020 |
| 2008 | 4 | D | 85.8%258,704 | 12.9%38,739 | 301,431 |
| 2006 | 4 | D | 80.7%141,897 | 18.6%32,792 | 175,903 |
| 2004 | 4 | D | 75.2%196,809 | 20.2%52,907 | 261,607 |
| 2002 | 4 | D | 79.0%131,644 | 20.9%34,890 | 166,729 |
| 2000 | 4 | D | 87.2%172,624 | 12.6%24,973 | 197,969 |
| 1998 | 4 | D | 85.7%129,139 | 14.3%21,518 | 150,657 |
| 1996 | 4 | D | 85.2%142,094 | 14.8%24,700 | 166,794 |
| 1994 | 4 | D | 75.0%93,148 | 25.0%30,999 | 124,147 |
| 1992 | 4 | D | 75.2%136,902 | 24.8%45,166 | 182,068 |
| 1990 | 4 | D | 58.9%85,601 | 41.1%59,846 | 145,447 |
| 1988 | 4 | D | 68.3%128,624 | 31.7%59,688 | 188,312 |
| 1986 | 4 | D | 50.2%65,071 | 49.8%64,643 | 129,714 |
| 1984 | 4 | R | 33.8%58,312 | 66.2%114,430 | 172,743 |
| 1982 | 4 | R | 38.8%47,947 | 61.2%75,617 | 123,564 |
| 1980 | 4 | R | 28.1%47,375 | 71.9%120,985 | 168,360 |
| 1978 | 4 | R | 38.0%43,663 | 62.0%71,374 | 115,037 |
| 1976 | 4 | R | 42.3%69,855 | 57.7%95,158 | 165,013 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 54.6%1,650,912 | 42.8%1,294,344 | 3,021,378 |
| 2022 | D | 65.8%1,316,897 | 34.1%682,293 | 2,002,336 |
| 2018 | D | 64.9%1,491,614 | 30.3%697,017 | 2,297,538 |
| 2016 | D | 61.0%1,659,907 | 35.7%972,557 | 2,722,434 |
| 2012 | D | 56.0%1,474,028 | 26.4%693,291 | 2,630,505 |
| 2010 | D | 62.3%1,140,615 | 35.8%655,666 | 1,831,744 |
| 2006 | D | 54.2%965,477 | 44.2%787,182 | 1,780,223 |
| 2004 | D | 64.8%1,504,691 | 33.7%783,055 | 2,321,571 |
| 2000 | D | 63.2%1,230,013 | 36.7%715,178 | 1,946,898 |
| 1998 | D | 70.5%1,062,810 | 29.5%444,637 | 1,507,447 |
| 1994 | D | 59.1%809,125 | 40.9%559,908 | 1,369,033 |
| 1992 | D | 71.0%1,307,610 | 29.0%533,688 | 1,841,298 |
| 1988 | D | 61.8%999,166 | 38.2%617,537 | 1,616,703 |
| 1986 | D | 60.7%675,225 | 39.3%437,411 | 1,112,636 |
| 1982 | D | 63.5%707,356 | 36.5%407,334 | 1,114,690 |
| 1980 | R | 33.8%435,118 | 66.2%850,970 | 1,286,088 |
| 1976 | D | 56.6%772,101 | 38.9%530,439 | 1,365,290 |
Maryland's 4th covers majority-Black suburbs south and east of Washington, D.C., and has posted presidential margins exceeding 50 points for over a decade, making it among the least competitive districts in the country.
Across the recorded series it reached a Democratic high of 83.2 points in 2012. Between 2020 and 2024 the district moved 8.4 points toward the Republican candidate; the 2024 margin was 73.6 points.
A population of 770,533, a 13% non-Hispanic-white share, and a median household income of $91,987 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 7 and Congressional District 7.
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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 →
Maryland 4th Congressional District. Akashic. https://akashic.app/cd/2404/. Accessed May 20, 2026. License: CC BY 4.0.