Explore the Family Name Koeppen

The meaning of Koeppen

German (mainly Köppen): patronymic from the personal name Köpp (see Koepp). Some characteristic forenames: German Fritz, Arnulf, Bernhardt, Christoph, Erna, Horst, Otto.

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

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

Based on the Decennial U.S. Census, the popularity of the surname Koeppen has seen a slight increase between 2000 and 2010. In 2000, it was ranked at 21,273, while in 2010, it climbed to 20,529, marking a change of 3.5%. The number of people bearing this surname also grew from 1,148 in 2000 to 1,292 in 2010, indicating a growth rate of 12.54%. The proportion of individuals with the Koeppen surname increased slightly per 100,000 residents from 0.43 to 0.44, demonstrating an increase of 2.33%.

	2000	2010	Change
Rank	#21,273	#20,529	3.5%
Count	1,148	1,292	12.54%
Proportion per 100k	0.43	0.44	2.33%

Race and Ethnicity of people with the last name Koeppen

The ethnic identity associated with the surname Koeppen shows varied shifts according to the Decennial U.S. Census data. The percentage of Asian/Pacific Islanders with this surname increased by 25.71%, moving from 1.05% in 2000 to 1.32% in 2010. Those identifying as two or more races saw a significant jump from 0.61% to 1.16%, a change of 90.16%. The majority ethnicity, White, experienced a slight decline from 96.95% to 95.20%. There was a remarkable increase within the Hispanic category, which rose from 0.78% to 1.86%, marking a 138.46% change. The percentages for Black and American Indian and Alaskan Native remained unchanged with zero recorded in both 2000 and 2010.

	2000	2010	Change
White	96.95%	95.2%	-1.81%
Hispanic	0.78%	1.86%	138.46%
Asian/Pacific Islander	1.05%	1.32%	25.71%
Two or More Races	0.61%	1.16%	90.16%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%