Find out how popular the last name Koizumi is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Koizumi.

Koizumi, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Koizumi surname is from the 2010 census data.

Popularity of Koizumi in America

Koizumi is the 52736th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Koizumi surname appeared 393 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Koizumi.

We can also compare 2010 data for Koizumi to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Koizumi

The surname Koizumi originated in Japan. It is a Japanese family name that dates back several centuries. The name is composed of two kanji characters, "koi" meaning "carp" and "zumi" meaning "village" or "small town." Together, the name can be interpreted as "carp village" or "carp town."

One possible origin of the surname Koizumi is that it may have been derived from a place name, referring to a village or town where carp were abundant or where carp farming or fishing was a significant economic activity. Alternatively, it could have been adopted as a surname by a family or individual who lived in such a place.

Historical records indicate that the Koizumi surname has been present in various regions of Japan for several centuries. It is mentioned in some local chronicles and administrative documents from the Edo period (1603-1868), particularly in areas such as Tochigi Prefecture and Ibaraki Prefecture.

One of the earliest recorded individuals with the Koizumi surname was Koizumi Ikiyo (生年不明-1611), a samurai who served under the powerful Tokugawa clan during the Sengoku period (1467-1615). Another notable figure was Koizumi Yakumo (1850-1904), better known by his pen name Lafcadio Hearn, a writer and scholar who is renowned for his works on Japanese culture and folklore.

Other historical figures bearing the Koizumi surname include Koizumi Shinzo (1888-1966), a prominent businessman and founder of the Koizumi Group, and Koizumi Noboru (1912-1998), a politician who served as the Minister of Finance and the Minister of Foreign Affairs in the post-World War II era.

Koizumi Junichiro (1942-), a former Prime Minister of Japan from 2001 to 2006, is perhaps the most well-known individual with this surname in modern times. His tenure as Prime Minister was marked by economic reforms and efforts to revitalize Japan's stagnant economy.

Overall, the surname Koizumi has a long and rich history in Japan, with its origins potentially rooted in place names and geographical locations associated with carp farming or fishing. While it has been borne by various individuals throughout Japanese history, it gained particular prominence in the 20th century with notable figures in business, politics, and literature.

Race and ethnic origin of people with the last name Koizumi

We also have some data on the ancestry of people with the surname Koizumi.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Koizumi was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Koizumi has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Koizumi was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Koizumi, please contact us.

Reference this page

We spend a lot of resources downloading, cleaning, merging, and formatting the data that is shown on the site.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!