Explore the Family Name Rosca

The meaning of Rosca

Romanian (Roşca): nickname for a red-haired man, from the adjective roşu ‘red’ (see Rosu), formed with the suffix -ca.

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

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

Based on data from the Decennial U.S. Census, the popularity of the surname Rosca has seen a significant increase in the United States over the past decade. In 2000, it was ranked as the 78,326th most common surname; by 2010, it had risen to the 60,790th spot, marking an improvement of 22.39%. The count of people carrying this surname in the country also grew from 227 in 2000 to 331 in 2010, a boost of 45.81%. Consequently, the proportion of people with the Rosca surname per 100,000 individuals increased from 0.08 to 0.11, reflecting a 37.5% rise.

20002010Change
Rank#78,326#60,79022.39%
Count22733145.81%
Proportion per 100k0.080.1137.5%

Race and Ethnicity of people with the last name Rosca

The ethnic makeup of individuals bearing the Rosca surname has also shifted, according to the Decennial U.S. Census data. Over the decade from 2000 to 2010, the percentage of individuals identifying as white increased from 76.21% to 86.10%, a change of 12.98%. Meanwhile, the proportions of those identifying as Asian/Pacific Islander and Hispanic decreased by 33.82% and 37.73%, respectively. There was a notable drop in the percentage of people from two or more races, which fell by 63.39%. During both census years, no individuals with the Rosca surname identified as Black or American Indian and Alaskan Native.

20002010Change
White76.21%86.1%12.98%
Asian/Pacific Islander12.33%8.16%-33.82%
Hispanic4.85%3.02%-37.73%
Two or More Races6.61%2.42%-63.39%
Black0%0%0%
American Indian and Alaskan Native0%0%0%