How Common Is the Last Name Costello?

Estimated U.S. bearers of the surname Costello today

35,479

Ranked #1,093 of 162,254 published surnames · 10.86 per 100,000 Americans (2010 Census) · 32,043 bearers counted in 2010, scaled to today's population.

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Ancestry breakdown reported in the 2010 Census

White

90.85%

Black

1.34%

Asian / Pacific Islander

0.69%

Hispanic

5.46%

Percentages are the Census Bureau's published figures for surname bearers in 2010. Figures are estimates from public records — see the methodology page.