Maryland House of Delegates District 30B
Leans Republican — shifted 11.0pp toward Republicans in 2024 — 42K residents
Maryland House of Delegates District 30B is a state house district that has a population of 42,333. In the 2024 presidential election, it voted Republican with a margin of R+7.0. Akashic Edge tracks 5 presidential elections here, dating back to 2008.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 45.3% | 52.3% | R+7.0 | R+11.0 |
| 2020* | 51.0% | 47.0% | D+4.0 | D+20.5 |
| 2016* | 38.4% | 55.0% | R+16.5 | R+5.1 |
| 2012* | 44.3% | 55.7% | R+11.4 | 0.0 |
| 2008* | 43.5% | 54.9% | R+11.4 | — |
* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.
What defines MD-HD-30B?
MD-HD-30B has flipped between parties in each of the last three elections — a fiercely contested battleground. It has a working-class, predominantly white electorate — strong Republican base territory.
Similar state house districts
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Key Insights
- Swung 11.0 points toward Republican between 2020 and 2024
- Won by both parties in recent history — Democrats most recently in 2020, Republicans in 2024
- Highly elastic — margins have ranged 20.5 points across recent elections, suggesting a volatile electorate
Who Lives Here
| Group | MD-HD-30B | State | National |
|---|---|---|---|
White (Non-Hispanic) | 78.9% | 46.6% | 57.4% |
Hispanic / Latino | 7.4% | 12.5% | 19.3% |
Black / African American | 6.9% | 29.4% | 12.2% |
Multiracial / Other | 5.0% | 4.5% | 4.0% |
Asian | 1.4% | 6.6% | 6.0% |
Native American / Alaska Native | 0.4% | 0.4% | 0.9% |
Who lives in Maryland House of Delegates District 30B? 42,333 residents as of the 2020 Census.
Demographics
Scale, voting-age share, and this geography's footprint inside the national electorate.
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Turnout in MD-HD-30B
How competitive is MD-HD-30B?
Other Maryland State House Districts
70 total| Name | Margin ↓ |
|---|---|
| MD-HD-25 | D+85.1 |
| MD-HD-43A | D+84.8 |
| MD-HD-24 | D+80.6 |
| MD-HD-40 | D+80.1 |
| MD-HD-26 | D+79.7 |
| MD-HD-45 | D+76.8 |
| MD-HD-47A | D+74.2 |
| MD-HD-23 | D+71.5 |
| MD-HD-20 | D+71.0 |
| MD-HD-22 | D+70.5 |
| MD-HD-41 | D+65.7 |
| MD-HD-16 | D+63.7 |
| MD-HD-47B | D+62.9 |
| MD-HD-46 | D+62.3 |
| MD-HD-18 | D+62.1 |
| MD-HD-27A | D+60.1 |
| MD-HD-11A | D+60.0 |
| MD-HD-43B | D+56.8 |
| MD-HD-10 | D+55.5 |
| MD-HD-21 | D+55.3 |
| MD-HD-44B | D+55.1 |
| MD-HD-17 | D+54.4 |
| MD-HD-12A | D+49.9 |
| MD-HD-13 | D+49.9 |
| MD-HD-19 | D+48.2 |