Explore the Family Name Koko

The meaning of Koko

1. African (mainly Ivory Coast, Nigeria, and Congo): unexplained. 2. Japanese (Kōko): written 江湖 ‘public’, though the characters used literally mean ‘inlet’ and ‘lake’; the name is rare and can also be pronounced Ego. 3. Japanese (Kōkō): written 孝行 ‘filial piety’. 4. Possibly also Burmese (Ko Ko): from a personal name consisting of the duplicated form of address Ko ‘elder brother’. 5. Polish: unexplained. This surname is rare in Poland.

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

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

The popularity of the surname Koko has shown significant change in the United States according to data from the Decennial U.S. Census. In 2000, it was ranked as the 104,819th most popular surname, but by 2010, it had jumped to a rank of 55,386 — an increase of approximately 47.2%. The number of people who carry this surname also climbed from 158 in 2000 to 371 in 2010, reflecting a substantial rise of almost 135%. The proportion of individuals with this surname per 100,000 people increased by approximately 116.7% during this decade.

20002010Change
Rank#104,819#55,38647.16%
Count158371134.81%
Proportion per 100k0.060.13116.67%

Race and Ethnicity of people with the last name Koko

The ethnic identity of individuals carrying the Koko surname in the U.S. also evolved between 2000 and 2010, as shown by the Decennial U.S. Census data. A decline in the percentage was observed among those identifying as Asian/Pacific Islander, White, or American Indian and Alaskan Native. However, there were increases in those identifying as Black (from around 24.7% to 45.6%), as well as those identifying with two or more races (from about 9.5% to 12.7%). There was also a slight uptick in those identifying as Hispanic, which rose from roughly 3.2% to 4.04% over the decade.

20002010Change
Black24.68%45.55%84.56%
Asian/Pacific Islander30.38%21.56%-29.03%
White28.48%14.82%-47.96%
Two or More Races9.49%12.67%33.51%
Hispanic3.16%4.04%27.85%
American Indian and Alaskan Native3.8%1.35%-64.47%