Explore the Family Name Costantini

The meaning of Costantini

Italian (southern): patronymic or plural form of Costantino. Some characteristic forenames: Italian Mario, Antonio, Angelo, Dario, Luigi, Agostino, Dino, Domenic, Fedele, Ivano, Octavio, Siro, Adelmo, Arnaldo, Camillo, Carlo, Eugenio, Fabio, Gaspar, Lino.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Costantini in the United States?

Based on the Decennial U.S. Census data, the popularity of the surname Costantini in the United States has declined over the years. In 2000, the surname ranked 23,264th in terms of popularity and had a count of 1023, equating to approximately 0.38 per 100,000 people. By 2010, the rank had dipped by almost 42%, placing it at 32,994th. The number of individuals with this surname also decreased by about 32% to 694, or 0.24 per 100,000 people.

	2000	2010	Change
Rank	#23,264	#32,994	-41.82%
Count	1,023	694	-32.16%
Proportion per 100k	0.38	0.24	-36.84%

Race and Ethnicity of people with the last name Costantini

The ethnic identity associated with the surname Costantini is predominantly White, as indicated by the Decennial U.S. Census data. In 2000, around 96.58% of individuals bearing this surname identified as White, though this percentage slightly decreased to 94.52% by 2010. Additionally, there was a noticeable increase in the proportion of individuals identifying as Hispanic, from 1.96% in 2000 to 3.17% in 2010. Those identifying as being of two or more races also increased from 1.27% to 1.44%. Contrarily, no individuals with this surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either year.

	2000	2010	Change
White	96.58%	94.52%	-2.13%
Hispanic	1.96%	3.17%	61.73%
Two or More Races	1.27%	1.44%	13.39%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%