Explore the Family Name Demark

The meaning of Demark

Americanized form of Italian De Marco. Some characteristic forenames: Italian Angelo.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Demark has seen a slight decrease between 2000 and 2010. In 2000, it ranked 38,644 in popularity, with a count of 538 people carrying this last name. By 2010, the rank had dropped to 41,303, reflecting a change of -6.88 percent. The number of individuals with the surname also decreased over the decade by -2.04 percent, resulting in a total headcount of 527. This decline is further reflected in the proportion per 100k which fell from 0.2 in 2000 to 0.18 in 2010, marking a drop of -10.0 percent.

	2000	2010	Change
Rank	#38,644	#41,303	-6.88%
Count	538	527	-2.04%
Proportion per 100k	0.2	0.18	-10%

Race and Ethnicity of people with the last name Demark

When examining the ethnic identity associated with the surname Demark, the Decennial U.S. Census data shows that the majority of individuals identified as White, accounting for 94.98 percent in 2000 and slightly dropping to 94.50 percent in 2010. The percentage of those identifying as Hispanic saw an increase from 1.67 percent in 2000 to 2.28 percent in 2010, a growth of 36.53 percent. Conversely, the Black population with the Demark surname decreased marginally from 2.60 to 2.47 percent over the same period. There were no recorded instances of individuals identifying as Asian/Pacific Islander or American Indian and Alaskan Native. Similarly, there was no change in the representation of individuals identifying with two or more races.

	2000	2010	Change
White	94.98%	94.5%	-0.51%
Black	2.6%	2.47%	-5%
Hispanic	1.67%	2.28%	36.53%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%