Maryland’s 4th Congressional District is represented by Glenn Ivey (D) in the U.S. House of Representatives. The district is one of Maryland’s seats in the 435-member House of Representatives. After the 2020 Census, the average congressional district had 761,169 people, according to the U.S. Census Bureau, and these district boundaries were drawn during the redistricting cycle that followed.
Congressional representatives serve two-year terms and face election every even-numbered year. The next election for this seat will take place on November 3, 2026.
Population
758,555
Median Household Income
$90,739
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates for 2019 to 2023, for district lines in effect on January 1, 2023.
Partisan Lean
D+73
2024 presidential margin (Trump vs Harris). Source: The Downballot.
District boundary, 119th Congress. Boundary data: U.S. Census Bureau TIGERweb. Map tiles: OpenStreetMap.
Glenn Ivey and Maryland's 4th Congressional District
Glenn Ivey, a member of the Democratic Party, represents Maryland's 4th Congressional District and has held the seat since January 3, 2023. The boundary map for the district is above and the ZIP codes it covers are listed further down this page.
Committee assignments: House Committee on Appropriations and House Committee on Ethics.
The current term ends January 3, 2027. The seat is on the ballot on Tuesday, November 3, 2026. Washington office phone: 202-225-8699. Official site: ivey.house.gov.
Current Representative
Rep. Glenn Ivey (D)
119th Congress • Democrat • Representing this district since January 3, 2023
Glenn Ivey currently represents Maryland’s 4th Congressional District as a member of the Democratic Party in the United States House of Representatives. The representative’s district office helps constituents with federal casework, such as Social Security claims and veterans’ benefits.
2026 Election
On the ballot November 3, 2026
- Glenn F. Ivey, Democratic Incumbent
- George E. McDermott, Republican
- Sam Husseini, Green
Source: Maryland State Board of Elections, 2026 general election candidate list, checked September 26, 2026. Write-in candidates are not listed.
Key dates for November 3, 2026
| Register by mail | Tuesday, October 13 PassedApplication must be postmarked by this date. |
|---|---|
| Register online | Tuesday, October 13 Passed |
| Register in person | Through Election Day, November 3 |
| Same-day registration | After October 13, register and vote in person during early voting or on Election Day with proof of residence. |
| Early in-person voting | October 22 to October 29 Open now |
| Request a mail ballot | Tuesday, October 27 Request by October 27 for a ballot by mail, or by October 30 for a ballot by internet. |
| Return a mail ballot | Postmarked by November 3 and received by 10 a.m. on November 13, or placed in a drop box by 8 p.m. on November 3. |
| Election Day | Tuesday, November 3, 2026 |
Check your registration with the Maryland voter lookup. Dates come from the Maryland election office and were checked September 26, 2026. States can change deadlines, so confirm with your election office before you act.
Polling places in Maryland are open 7 a.m. to 8 p.m., local time. Confirm your registration and polling place on the official federal voter page for Maryland: vote.gov.
What is on the ballot nationally on November 3, 2026
Contact Your Representative
Washington Office
1610 Longworth House Office Building
Washington, DC 20515
Phone: (202) 225-8699
Online
Committee Assignments
About This District
The district covers parts of Prince George's and Montgomery counties in Maryland. Its largest cities are College Park (about 35,000), Laurel (about 30,000), Greenbelt (about 25,000), and Hyattsville (about 21,000).
Learn more about congressional districts
- What is a congressional district?
- What does a U.S. Representative do?
- What is gerrymandering?
- How congressional redistricting works
Frequently Asked Questions
Who represents Maryland's 4th Congressional District?
Glenn Ivey (D) represents Maryland's 4th Congressional District in the U.S. House of Representatives.
What political party is Glenn Ivey a member of?
Glenn Ivey is a member of the Democratic Party.
How can I contact Glenn Ivey?
You can reach Glenn Ivey by phone at 202-225-8699 or through their official website at https://ivey.house.gov.
When does Glenn Ivey's current term end?
Glenn Ivey's current term in the U.S. House of Representatives ends on January 3, 2027.
Where is Maryland's 4th Congressional District?
Maryland's 4th Congressional District is located in the state of Maryland and is one of the 435 voting congressional districts in the U.S. House of Representatives.
What district does Glenn Ivey represent?
Glenn Ivey has represented Maryland's 4th Congressional District since January 3, 2023. The boundary map for the district is on this page.
Where can I see a map of Glenn Ivey's district?
The boundary map for Maryland's 4th Congressional District is on this page. It is drawn from U.S. Census Bureau TIGERweb boundary files for the 119th Congress.
What committees is Glenn Ivey on?
Glenn Ivey sits on House Committee on Appropriations and House Committee on Ethics. Committee assignments come from the Clerk of the House MemberData file.
Is Glenn Ivey still in Congress?
This site shows Glenn Ivey holding Maryland's 4th Congressional District, checked against the Clerk of the House member list. All 435 House seats are on the ballot on November 3, 2026, so the answer can change with that election.
Nearby Districts in Maryland
ZIP Codes in Maryland's 4th Congressional District
This congressional district contains 44 ZIP codes. The most common 10 are shown below; expand the full list to see every ZIP in the district.
30 of these ZIP codes also extend into another Maryland district, so a ZIP code here does not always identify a single representative. Examples include 20601 (also in the 5th), 20607 (also in the 5th), 20613 (also in the 5th), 20705 (also in the 5th and 8th), 20706 (also in the 5th), 20708 (also in the 5th), 20715 (also in the 5th), 20720 (also in the 5th).
- 20601
- 20607
- 20613
- 20705
- 20706
- 20707
- 20708
- 20710
- 20712
- 20715
View all 44 ZIP codes in this district
- 20601
- 20607
- 20613
- 20705
- 20706
- 20707
- 20708
- 20710
- 20712
- 20715
- 20720
- 20721
- 20722
- 20735
- 20737
- 20740
- 20742
- 20743
- 20744
- 20745
- 20746
- 20747
- 20748
- 20769
- 20770
- 20771
- 20774
- 20777
- 20781
- 20782
- 20783
- 20784
- 20785
- 20832
- 20833
- 20860
- 20861
- 20862
- 20866
- 20868
- 20903
- 20904
- 20905
- 20912
ZIP-to-district boundaries sourced from the U.S. Census Bureau's 2024-07-30 Block Equivalency File for the 119th Congress. ZCTAs (ZIP Code Tabulation Areas) approximate USPS delivery ZIPs.
U.S. Senators for this state: Chris Van Hollen (D), Angela D. Alsobrooks (D)
Local surveillance camera contracts
Automated license plate reader contracts are approved locally, by city councils and county boards, not by Congress. These places in this district have a contract record documented from public sources:
Records compiled by Who Approved This, an independent public-records project. Approval dates, amounts, and end dates are cited to council agendas, minutes, and signed contracts.
Place list rebuilt from the Who Approved This public export on September 26, 2026.
Last updated September 27, 2026.
Data last checked September 26, 2026.
See how this district compares with another using Compare Districts.