Maine’s 1st Congressional District is represented by Chellie Pingree (D) in the U.S. House of Representatives. The district is one of Maine’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
689,679
Median Household Income
$84,367
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+22
2024 presidential margin (Trump vs Harris). Source: The Downballot.
District boundary, 119th Congress. Boundary data: U.S. Census Bureau TIGERweb. Map tiles: OpenStreetMap.
Chellie Pingree and Maine's 1st Congressional District
Chellie Pingree, a member of the Democratic Party, represents Maine's 1st Congressional District and has held the seat since January 6, 2009. 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 Agriculture and House Committee on Appropriations.
The current term ends January 3, 2027. The seat is on the ballot on Tuesday, November 3, 2026. Washington office phone: 202-225-6116. Official site: pingree.house.gov.
Current Representative
Rep. Chellie Pingree (D)
119th Congress • Democrat • Representing this district since January 6, 2009
Chellie Pingree currently represents Maine’s 1st 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
- Chellie Pingree, Democratic Incumbent
- Ronald C. Russell, Republican
Source: Maine Secretary of State, 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 Application must be received by this date. |
|---|---|
| Register online | Tuesday, October 13 |
| Register in person | Through Election Day, November 3 |
| Same-day registration | Register in person at your town office through Election Day. |
| Early in-person voting | October 4 to October 29 Open nowThis is in-person absentee voting at your town office, with no excuse needed. Hours vary by town. |
| Request a mail ballot | Thursday, October 29 Request by October 29. |
| Return a mail ballot | Must be received by 8 p.m. on November 3. Postmarks do not count. |
| Election Day | Tuesday, November 3, 2026 |
Check your registration with the Maine voter lookup. Dates come from the Maine election office and were checked September 26, 2026. States can change deadlines, so confirm with your election office before you act.
Polling places in Maine are open 6 a.m. to 8 p.m., local time. Confirm your registration and polling place on the official federal voter page for Maine: vote.gov.
What is on the ballot nationally on November 3, 2026
Contact Your Representative
Washington Office
2354 Rayburn House Office Building
Washington, DC 20515
Phone: (202) 225-6116
Online
Committee Assignments
About This District
The district covers all of York, Sagadahoc, Lincoln, Cumberland, and Knox counties and parts of Kennebec County in Maine. Its largest cities are Portland (about 68,000), South Portland (about 26,000), Biddeford (about 23,000), and Sanford (about 22,000).
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 Maine's 1st Congressional District?
Chellie Pingree (D) represents Maine's 1st Congressional District in the U.S. House of Representatives.
What political party is Chellie Pingree a member of?
Chellie Pingree is a member of the Democratic Party.
How can I contact Chellie Pingree?
You can reach Chellie Pingree by phone at 202-225-6116 or through their official website at https://pingree.house.gov.
When does Chellie Pingree's current term end?
Chellie Pingree's current term in the U.S. House of Representatives ends on January 3, 2027.
Where is Maine's 1st Congressional District?
Maine's 1st Congressional District is located in the state of Maine and is one of the 435 voting congressional districts in the U.S. House of Representatives.
What district does Chellie Pingree represent?
Chellie Pingree has represented Maine's 1st Congressional District since January 6, 2009. The boundary map for the district is on this page.
Where can I see a map of Chellie Pingree's district?
The boundary map for Maine's 1st Congressional District is on this page. It is drawn from U.S. Census Bureau TIGERweb boundary files for the 119th Congress.
What committees is Chellie Pingree on?
Chellie Pingree sits on House Committee on Agriculture and House Committee on Appropriations. Committee assignments come from the Clerk of the House MemberData file.
Is Chellie Pingree still in Congress?
This site shows Chellie Pingree holding Maine's 1st 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.
ZIP Codes in Maine's 1st Congressional District
This congressional district contains 139 ZIP codes. The most common 10 are shown below; expand the full list to see every ZIP in the district.
4 of these ZIP codes also extend into another Maine district, so a ZIP code here does not always identify a single representative. They are 04040 (also in the 2nd), 04345 (also in the 2nd), 04346 (also in the 2nd), 04988 (also in the 2nd).
- 03901
- 03902
- 03903
- 03904
- 03905
- 03906
- 03907
- 03908
- 03909
- 03910
View all 139 ZIP codes in this district
- 03901
- 03902
- 03903
- 03904
- 03905
- 03906
- 03907
- 03908
- 03909
- 03910
- 03911
- 04001
- 04002
- 04003
- 04005
- 04006
- 04008
- 04009
- 04011
- 04015
- 04017
- 04019
- 04020
- 04021
- 04024
- 04027
- 04029
- 04030
- 04032
- 04038
- 04039
- 04040
- 04042
- 04043
- 04046
- 04047
- 04048
- 04049
- 04050
- 04055
- 04056
- 04057
- 04061
- 04062
- 04063
- 04064
- 04066
- 04069
- 04071
- 04072
- 04073
- 04074
- 04076
- 04079
- 04083
- 04084
- 04085
- 04086
- 04087
- 04090
- 04091
- 04092
- 04093
- 04095
- 04096
- 04097
- 04101
- 04102
- 04103
- 04105
- 04106
- 04107
- 04108
- 04109
- 04110
- 04260
- 04287
- 04341
- 04342
- 04345
- 04346
- 04348
- 04350
- 04353
- 04357
- 04358
- 04363
- 04530
- 04535
- 04537
- 04538
- 04539
- 04541
- 04543
- 04544
- 04547
- 04548
- 04551
- 04553
- 04554
- 04555
- 04556
- 04558
- 04562
- 04563
- 04564
- 04568
- 04570
- 04571
- 04572
- 04573
- 04574
- 04575
- 04576
- 04578
- 04579
- 04645
- 04841
- 04843
- 04847
- 04851
- 04852
- 04853
- 04854
- 04855
- 04856
- 04858
- 04859
- 04860
- 04861
- 04862
- 04863
- 04864
- 04901
- 04910
- 04926
- 04927
- 04988
- 04989
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: Susan M. Collins (R), Angus S. King, Jr. (I)
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.