Explore the Family Name Koetje

The meaning of Koetje

Dutch: patronymic from the personal name Koert, a pet form of Koenraad, see Conrad.

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

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

According to data collected from the Decennial U.S. Census, the popularity of the surname Koetje saw a significant increase from 2000 to 2010. In 2000, Koetje was ranked as the 44,738th most popular surname in the United States. By 2010, it had risen to 40,432nd place, representing a 9.62% increase in rank. Furthermore, the number of people bearing the surname Koetje also increased during this time period, with a total count of 452 individuals in 2000 and 541 individuals in 2010. This represents a proportional increase of 5.88 per 100,000 inhabitants.

	2000	2010	Change
Rank	#44,738	#40,432	9.62%
Count	452	541	19.69%
Proportion per 100k	0.17	0.18	5.88%

Race and Ethnicity of people with the last name Koetje

Looking at the ethnic identity associated with the surname Koetje, based on the Decennial U.S. Census data, there were notable changes between 2000 and 2010. The majority of individuals with this surname identified as White, although the percentage decreased slightly from 97.57% in 2000 to 95.75% in 2010. During the same period, there was a small rise in the number of Koetjes identifying as Hispanic, increasing by 33.33%. Additionally, for the first time in 2010, individuals with the surname Koetje identified as Asian/Pacific Islander and as belonging to two or more ethnicities, making up 1.29% and 1.11% respectively. There were no individuals who identified as Black or American Indian and Alaskan Native in either census year.

	2000	2010	Change
White	97.57%	95.75%	-1.87%
Hispanic	1.11%	1.48%	33.33%
Asian/Pacific Islander	0%	1.29%	0%
Two or More Races	0%	1.11%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%