Explore the Family Name Demastus

The meaning of Demastus

Altered form of Demasters.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Demastus has experienced a decline from 2000 to 2010. In 2000, it was ranked 51,458 in popularity and dropped to the rank of 56,710 by 2010, showing a downward shift of 10.21%. The number of individuals carrying this surname also saw a decrease from 380 in 2000 to 360 in 2010, representing a slight drop of 5.26%. Furthermore, the proportion per 100k people with this surname fell by 14.29% within the same period.

20002010Change
Rank#51,458#56,710-10.21%
Count380360-5.26%
Proportion per 100k0.140.12-14.29%

Race and Ethnicity of people with the last name Demastus

The ethnic identity associated with the surname Demastus is overwhelmingly White, according to the Decennial U.S. Census data. In 2000, 97.37% of individuals with this surname identified as White, although this percentage decreased slightly to 95.56% in 2010. A small percentage of individuals with the Demastus surname identified as having two or more races, at 2.11% in 2000 and 1.39% in 2010. By 2010, there was a new emergence of Hispanic representation, accounting for 1.94% of the Demastus population. There were no recorded changes in representation among Asian/Pacific Islander, Black, and American Indian and Alaskan Native ethnicities between these years.

20002010Change
White97.37%95.56%-1.86%
Hispanic0%1.94%0%
Two or More Races2.11%1.39%-34.12%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%