Explore the Family Name Koba

The meaning of Koba

1. Polish, Ukrainian, Rusyn, and Slovak: from a pet form of the personal name Jakob, a dialect or old variant of Jakub (see Jacob, compare Kuba). 2. Czech: nickname from Old Czech koba ‘raven’. This surname is very rare in Czechia. 3. Japanese: written 小場 ‘small place’. It is found mostly in the Ryūkyū Islands. Another, rarer version is 木庭 or 木場 ‘tree garden’. Some characteristic forenames: Japanese Akira, Kaz, Kazumi, Koichi, Sadamu, Shinji.

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

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

Based on the Decennial U.S. Census, the surname Koba has seen a decrease in popularity from 2000 to 2010. In 2000, Koba ranked 44,821 in popularity, but by 2010, it had fallen to 48,995, showing a drop of 9.31%. The number of people with this surname also declined during this period, from 451 to 430, signifying a reduction of 4.66%. Accordingly, the proportion of individuals named Koba per 100,000 decreased by 11.76% over the decade.

20002010Change
Rank#44,821#48,995-9.31%
Count451430-4.66%
Proportion per 100k0.170.15-11.76%

Race and Ethnicity of people with the last name Koba

The ethnic identity associated with the surname Koba also shifted between 2000 and 2010, according to the Decennial U.S. Census data. The percentage of individuals identifying as Asian/Pacific Islander dropped by 23.92%, while those identifying as having two or more races decreased by 40%. Conversely, the proportion of people identifying as White increased by 5.55% during this time, reflecting the largest gain among all ethnicities. The Hispanic population remained relatively steady with a slight decrease of 1%. Perhaps most notably, there was a significant increase in the percentage of people identifying as Black with the surname Koba, which spiked by 255.86%. There were no changes reported for the American Indian and Alaskan Native populations.

20002010Change
White69.18%73.02%5.55%
Asian/Pacific Islander22.62%17.21%-23.92%
Hispanic3.99%3.95%-1%
Black1.11%3.95%255.86%
Two or More Races3.1%1.86%-40%
American Indian and Alaskan Native0%0%0%