Published 2020 index cohort
Browse Census surnames A–Z
This directory contains the quality-gated top 1,000 names by published 2020 Census surname rank. It is the site's bounded index cohort, not a list of every U.S. surname or a timeless popularity ranking.
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What this directory represents
Membership comes only from the current audited 1,000-name index cohort. Each surname page preserves the methods and publication limits for 1990, 2000, 2010, and 2020.
Read how the four files differ or inspect the official data sources and locked snapshot.