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Essex County, Massachusetts
What we have for Essex County today, and what is coming.
Basics
- County code (FIPS): 25009
- Land area: 493 square miles
- Population: 809,829
Federal money spent here
Fiscal year 2026: $12.6 billion in federal contracts, grants, loans and other awards for work done in Essex County.
Who represents Essex County
U.S. Senate (whole state): Edward J. Markey (Democrat), Elizabeth Warren (Democrat).
U.S. House districts that include part of this county
| District | Member | Share of county land |
|---|---|---|
| Congressional District 6 | Seth Moulton (Democrat) | 87.4% |
| Congressional District 3 | Lori Trahan (Democrat) | 12.6% |
State senate districts
| District | Member | Share of county land |
|---|---|---|
| First Essex and Middlesex District | not matched | 55.3% |
| Second Essex and Middlesex District | not matched | 19.4% |
| Second Essex District | not matched | 10.7% |
| Third Essex District | not matched | 8.1% |
| First Essex District | not matched | 6.5% |
State house / assembly districts
| District | Member | Share of county land |
|---|---|---|
| 2nd Essex District | not matched | 21.9% |
| 5th Essex District | not matched | 11.4% |
| 14th Essex District | not matched | 11.4% |
| 18th Essex District | not matched | 9.6% |
| 1st Essex District | not matched | 8.2% |
| 15th Essex District | not matched | 5.9% |
| 13th Essex District | not matched | 5.8% |
| 3rd Essex District | not matched | 4.2% |
| 20th Middlesex District | not matched | 4.2% |
| 6th Essex District | not matched | 3.8% |
| 12th Essex District | not matched | 2.5% |
| 9th Essex District | not matched | 2.1% |
| 7th Essex District | not matched | 1.7% |
| 8th Essex District | not matched | 1.6% |
| 17th Essex District | not matched | 1.3% |
| 11th Essex District | not matched | 1.2% |
| 16th Essex District | not matched | 1.1% |
| 4th Essex District | not matched | 0.9% |
| 10th Essex District | not matched | 0.7% |
| 16th Suffolk District | not matched | 0.5% |
Matched by district number using the U.S. Census Bureau 2020 county–district relationship files (land area overlap; districts may have been redrawn since). Your exact district depends on your address: U.S. House · state legislators.
County government
Find the official county website and contacts in the USA.gov local government directory or the National Association of Counties explorer.
Sources: U.S. Census Bureau Gazetteer (county list, public domain); USAspending.gov (U.S. Treasury). Built 2026-11-03 15:28.