🏛️ U.S. Census Surname Profile

How Many People Have the Last Name Williams?

Official Demographic Finding

~1,625,252 People

In official U.S. Decennial Census returns, Williams ranks as the #3 most common surname nationwide, representing approximately 550.97 people per 100,000 Americans.

Surname Snapshot

National Rank

Total Bearers

~1,625,252

Frequency / 100k

550.97

Etymology / Origin

Welsh / English (Patronymic: Son of William)

Popular Full Name Combinations with "Williams"

Explore estimated population counts for verified full names ending with Williams:

James Williams~12,110 people →John Williams~3,280 people →Robert Williams~11,230 people →Michael Williams~13,910 people →

Explore Other Common Surnames

Smith (Rank #1)Johnson (Rank #2)Brown (Rank #4)Jones (Rank #5)Garcia (Rank #6)Miller (Rank #7)

U.S. Census Surname Data Provenance

Frequently Occurring Surnames in the United StatesOfficial Link ↗

U.S. Census Bureau Population Division · Decennial Census returns with 100+ occurrences

Data Pipeline Version: 2026.08.14Methodology Version: 1.0.0Read full methodology →

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