Explore the Family Name Denno

The meaning of Denno

Altered form of French Deneau. Some characteristic forenames: French Antoine.

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

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

Based on the Decennial U.S. Census data, the popularity of the surname "Denno" has seen a decline over a decade. In 2000, Denno was ranked as the 26,538th most popular surname in the United States with 864 individuals carrying the name. However, by 2010, the rank had dropped to 31,516 with only 734 individuals bearing the surname. This signifies a drop of 18.76% in the rank and a decrease of 15.05% in count over ten years, lowering its proportion per 100k from 0.32 to 0.25, marking a reduction of 21.87%.

20002010Change
Rank#26,538#31,516-18.76%
Count864734-15.05%
Proportion per 100k0.320.25-21.87%

Race and Ethnicity of people with the last name Denno

The data from the Decennial U.S. Census also provides insight into the ethnic identity associated with the surname "Denno". In 2000, approximately 96.64% of people with the Denno surname identified as White. By 2010, this percentage slightly decreased to 94.69%, indicating a change of -2.02%. Meanwhile, the percentage of those identifying with two or more races increased from 1.97% in 2000 to 3.13% in 2010, a substantial growth of 58.88%. The census also reported a small presence of Asian/Pacific Islander identity within people bearing the Denno surname in 2010 (0.82%), which was not present in 2000. There were no recorded individuals with the Denno surname identifying as Black, Hispanic, American Indian, or Alaskan Native during these census periods.

20002010Change
White96.64%94.69%-2.02%
Two or More Races1.97%3.13%58.88%
Asian/Pacific Islander0%0.82%0%
Hispanic0.58%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%