View the most partisan surnames in The United States

Where Does The Last Name Koguchi Come From? ^{nationality or country of origin}

The surname Koguchi occurs in Japan more than any other country or territory. It may be rendered as a variant:. Click here to see other potential spellings of this last name.

How Common Is The Last Name Koguchi? ^{popularity and diffusion}

The last name Koguchi is the 25,261^st most commonly used family name on a worldwide basis, borne by around 1 in 341,209 people. This last name is primarily found in Asia, where 100 percent of Koguchi are found; 99 percent are found in East Asia and 99 percent are found in Nippono-Asia.

This last name is most commonly occurring in Japan, where it is carried by 21,247 people, or 1 in 6,017. In Japan Koguchi is primarily found in: Nagano Prefecture, where 27 percent live, Tochigi Prefecture, where 16 percent live and Tokyo Metropolis, where 15 percent live. Outside of Japan it occurs in 12 countries. It is also common in Brazil, where 0 percent live and The United States, where 0 percent live.

Koguchi Last Name Statistics ^demography

In The United States those holding the Koguchi last name are 18.2% more likely to be registered with the Democratic Party than The US average, with 71.43% registered with the political party.

Koguchi earn notably less less than the average income. In United States they earn 23.72% less than the national average, earning $32,914 USD per year.