
Accountability Score — composite of attendance, independence, bipartisan tone, ethics record & transparency.
Methodology
Katherine M. Clark is a Democrat Representative from MA, District 5. She has served 12 years in Congress across 7 terms. Based on her voting record, she is rated as liberal, voting with her party 98.7% of the time. This member has 1 misconduct entry in our database.
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Performance metrics for the current Congress
vs. the average House member
2026 cycle · through 2026-03-31
MA-5 · ACS 2023 estimates · These are the people this member represents.