Surname Checker / Alonzo
How Common Is the Last Name Alonzo?
Estimated U.S. bearers of the surname Alonzo today
22,551
Ranked #1,758 of 162,254 published surnames · 6.9 per 100,000 Americans (2010 Census) · 20,367 bearers counted in 2010, scaled to today's population.
Ancestry breakdown reported in the 2010 Census
White
10.35%
Black
2.37%
Asian / Pacific Islander
5.82%
Hispanic
79.73%
Percentages are the Census Bureau's published figures for surname bearers in 2010. Figures are estimates from public records — see the methodology page.