2000
#118,236
National surname rank
Recorded bearers 136
First available Census row
Per 100,000 0.05
Very Rare Last name
Imaizumi
A Japanese surname derived from a place name or geographic feature.
According to the 2020 US Census Bureau surname tables, roughly 131 Americans carry the last name Imaizumi. That puts it at #146,495 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,616,445 residents).
This page is the full Name Census profile for the Imaizumi surname. You will find the Census Bureau frequency data, a multi-census history view, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
Bearers in the US
131
1 in 2,616,445
Census rank
#146,495
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
114
very rare in the US
Popularity narrative
The Census Bureau recorded 114 bearers of the surname Imaizumi in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 146495th position in the national surname ranking.
Among Census respondents with the surname Imaizumi, the largest self-reported group is Asian/Pacific Islander at 66.7%. The next largest groups are Two or More Races (14.0%) and Hispanic (10.5%).
Origin
Meaning and origin of Imaizumi
The surname Imaizumi is of Japanese origin and traces its roots back to the early Edo period (1603-1868) in Japan. The name is derived from the Japanese words "ima" meaning "present" or "current" and "izumi" meaning "fountain" or "spring," suggesting a connection to a location with a flowing water source.
One of the earliest recorded instances of the Imaizumi surname can be found in the Shūmon Aratame Chō, a census-like record of religious affiliations and family names compiled in the late 17th century. This document mentions a family named Imaizumi residing in the Kyoto region, which was a cultural and political center during the Edo period.
The Imaizumi name is also associated with the town of Imaizumi, located in the Fukui Prefecture of central Japan. This town, which existed as early as the 16th century, was likely the origin of the surname for some families who took on the name of their place of residence, a common practice at the time.
In the 18th century, a samurai named Imaizumi Masahiro (1730-1799) served under the Tokugawa Shogunate and was known for his expertise in military strategy and tactics. His writings on warfare and leadership were influential during the late Edo period.
Another notable figure with the Imaizumi surname was Imaizumi Yūsaku (1892-1987), a Japanese painter and printmaker who was part of the Nihonga (Japanese-style painting) movement in the early 20th century. His works often depicted traditional Japanese themes and landscapes.
During the Meiji period (1868-1912), Imaizumi Kanichiro (1856-1923) was a prominent educator and advocate for women's education in Japan. He founded several girls' schools and worked to promote educational opportunities for women, which were limited at the time.
In the field of literature, Imaizumi Yūsuke (1910-1988) was a celebrated novelist and playwright known for his works that explored social issues and the human condition. His novel "Natsu no Owari" (The End of Summer) published in 1966, was widely acclaimed and won several literary awards.
The Imaizumi surname, while not as common as some other Japanese family names, has a rich history spanning several centuries and has been associated with notable figures in various fields, from samurai warriors and artists to educators and writers.
Demographics
Ancestry and ethnicity for Imaizumi
Among Census respondents with the surname Imaizumi, the largest self-reported group is Asian/Pacific Islander at 66.7%. The next largest groups are Two or More Races (14.0%) and Hispanic (10.5%).
The bar chart below shows how Imaizumi bearers described their own race and ethnicity on the 2020 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown for every Census year so the breakdown stays comparable over time. When the source file also includes raw headcounts, Name Census shows those alongside the percentages in the legend.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Imaizumi surname at the time of the 2020 Census, not any inherent property of the name itself.
- Asian and Pacific Islander66.7% · 76
- Two or more races14.0% · 16
- Hispanic or Latino10.5% · 12
- White7.0% · 8
- American Indian and Alaska Native1.8% · 2
Timeline
Historical Census data for Imaizumi
Imaizumi appears in 3 published Census surname files: 2000, 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
#143,149
National surname rank
Recorded bearers 116
-20 bearers (-14.7%)
Per 100,000 0.04
Rank movement Down 24,913 places
2020
#146,495
National surname rank
Recorded bearers 114
-2 bearers (-1.7%)
Per 100,000 0.04
Rank movement Down 3,346 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #118,236 | 136 | 0.05 | First available Census row | First available Census row |
| 2010 | #143,149 | 116 | 0.04 | -20 bearers (-14.7%) | Down 24,913 places |
| 2020 | #146,495 | 114 | 0.04 | -2 bearers (-1.7%) | Down 3,346 places |
For 2020, the Census Bureau published race and Hispanic-origin columns as counts rather than percentages. Name Census converts those counts back into shares so the ancestry section stays comparable with the older surname files.
Year on year
2010 vs 2020 Census
How has the Imaizumi surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
20102020
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #143,149 | #146,495 | -2.3% |
| Count | 116 | 114 | -1.7% |
| Per 100K | 0.04 | 0.04 | -4.6% |
Between the 2010 and 2020 Census, the number of Imaizumi bearers went from 116 to 114 (-1.7% change). The surname moved down 3,346 positions in the national ranking, going from #143,149 to #146,495.
FAQ
Imaizumi surname: questions and answers
How many people in the U.S. have the surname Imaizumi?
Name Census estimates that about 131 living Americans carry the surname Imaizumi. Using the current population baseline, that works out to roughly 1 in 2,616,445 residents.
How common is Imaizumi?
Imaizumi ranks #146,495 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.04 per 100,000 residents, which is about 0 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 114 people with the surname Imaizumi. That is different from the site's living-bearer estimate (131), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.04 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.04 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 0 of them to have the surname Imaizumi.
Has Imaizumi become more or less common over time?
Between 2010 and 2020, the surname Imaizumi went from 116 recorded bearers to 114. That is a decrease of 2 (-1.7%). In the national ranking it fell from #143,149 to #146,495.
What does the Census say about the background of Imaizumi?
Among Census respondents with the surname Imaizumi, the largest self-reported group is Asian/Pacific Islander at 66.7%. The next largest groups are Two or More Races (14.0%) and Hispanic (10.5%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Which group reports this surname most often?
Asian/Pacific Islander is the largest self-reported group for the surname Imaizumi in the 2020 Census, accounting for 66.7% (76 people in the source table).
What is the full ancestry breakdown?
Imaizumi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Asian/Pacific Islander (66.7%), Two or More Races (14.0%), Hispanic (10.5%). For 2020, the source file also published raw headcounts for each group, which is why this page can show both percentages and counts in the ancestry section.
Is this page using the latest Census data?
Yes. This page is using the latest surname file currently loaded on Name Census, which is 2020. The historical section above also keeps any older Census surname entries we have for Imaizumi (2000, 2010, 2020).
Does the Census include every surname?
No. The Census Bureau only publishes surnames that appeared at least 100 times in a given decennial Census. That means very rare surnames are excluded entirely, and a surname can appear in one Census release but disappear from a later one if it falls below the reporting threshold.
Why don't the ancestry percentages always add up to exactly 100%?
There are two main reasons: rounding and suppression. The Census Bureau rounds published values, and it may suppress very small cells to protect privacy. For 2020, the Bureau also published raw group counts rather than direct percentages, so Name Census converts those counts back into shares for comparability across census years.
What does Imaizumi mean?
A Japanese surname derived from a place name or geographic feature. The fuller origin note on this page goes into more detail.
Where does the surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These files list every surname that appeared 100 or more times in the 2020 Census, along with a count, a per-100,000 rate, and a self-reported demographic breakdown. You can read the full explanation on our methodology page.
How does Name Census estimate living bearers?
For surnames, Name Census does not age cohorts the way it does for first names. Instead, it takes the Census Bureau's published frequency for Imaizumi (0.04 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
How many people are called Imaizumi?
See how many Americans have the surname Imaizumi on HowManyOfMe.org, our sister site built around that single question.