Maryland 1st Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | −16.5% |
| 2012 | −17.4% |
| 2016 | −23.0% |
| 2020 | −14.6% |
| 2024 | −16.9% |
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 | 1 | R | 37.4%154,985 | 59.4%246,356 | 414,680 |
| 2022 | 1 | R | 43.1%126,511 | 54.4%159,673 | 293,358 |
| 2020 | 1 | R | 36.4%143,877 | 63.4%250,901 | 395,524 |
| 2018 | 1 | R | 38.1%116,631 | 60.0%183,662 | 306,132 |
| 2016 | 1 | R | 28.6%103,622 | 67.0%242,574 | 362,097 |
| 2014 | 1 | R | 29.5%73,843 | 70.4%176,342 | 250,418 |
| 2012 | 1 | R | 31.9%107,670 | 63.4%214,204 | 337,760 |
| 2010 | 1 | R | 42.0%120,400 | 54.1%155,118 | 286,812 |
| 2008 | 1 | D | 49.1%177,065 | 48.3%174,213 | 360,480 |
| 2006 | 1 | R | 31.1%83,738 | 68.8%185,177 | 269,147 |
| 2004 | 1 | R | 24.1%77,872 | 75.9%245,149 | 323,021 |
| 2002 | 1 | R | 23.2%57,986 | 76.8%192,004 | 249,990 |
| 2000 | 1 | R | 35.5%91,022 | 64.4%165,293 | 256,682 |
| 1998 | 1 | R | 30.8%60,450 | 69.2%135,771 | 196,221 |
| 1996 | 1 | R | 38.4%81,825 | 61.6%131,033 | 212,876 |
| 1994 | 1 | R | 32.3%57,712 | 67.7%120,975 | 178,814 |
| 1992 | 1 | R | 48.4%112,771 | 51.6%120,084 | 232,855 |
| 1990 | 1 | R | 43.2%67,518 | 56.8%88,920 | 156,438 |
| 1988 | 1 | D | 50.4%96,128 | 49.6%94,588 | 190,716 |
| 1986 | 1 | D | 66.8%88,113 | 33.2%43,764 | 131,877 |
| 1984 | 1 | D | 58.4%96,673 | 41.6%68,865 | 165,538 |
| 1982 | 1 | D | 69.3%89,503 | 30.7%39,656 | 129,159 |
| 1980 | 1 | D | 51.7%97,743 | 48.3%91,143 | 188,886 |
| 1978 | 1 | R | 36.5%46,093 | 63.5%80,202 | 126,295 |
| 1976 | 1 | R | 45.9%72,993 | 54.1%85,919 | 158,912 |
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 |
Spanning the Chesapeake's Eastern Shore and stretching into rural Western Maryland, the district recorded an R+21.7 presidential margin in 2024 — the widest Republican spread in a state that otherwise votes heavily Democratic at the federal level.
Across the recorded series it reached a Republican high of 23.0 points in 2016. Between 2020 and 2024 the district moved 2.3 points toward the Republican candidate; the 2024 margin was 16.9 points.
A population of 772,217, a 73% non-Hispanic-white share, and a median household income of $94,639 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 1 and Congressional District 4.
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 1st Congressional District. Akashic. https://akashic.app/cd/2401/. Accessed May 20, 2026. License: CC BY 4.0.