2000
#144,908
National surname rank
Recorded bearers 105
First available Census row
Per 100,000 0.04
Very Rare Last name
Rubinchik
A Jewish surname derived from the Yiddish word "rubintshik" meaning a jeweler or gem dealer.
According to the 2020 US Census Bureau surname tables, roughly 120 Americans carry the last name Rubinchik. That puts it at #152,989 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,856,286 residents).
This page is the full Name Census profile for the Rubinchik 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
120
1 in 2,856,286
Census rank
#152,989
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
105
very rare in the US
Popularity narrative
The Census Bureau recorded 105 bearers of the surname Rubinchik in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 152989th position in the national surname ranking.
Among Census respondents with the surname Rubinchik, the largest self-reported group is White at 97.1%. The next largest groups are Two or More Races (2.9%).
Origin
Meaning and origin of Rubinchik
The surname RUBINCHIK is of Russian and Slavic origin, emerging in the late 18th to early 19th century. It is a diminutive form of the Russian surname Rubin, derived from the word "rubin" meaning "ruby" in reference to the precious gemstone. The suffix "-chik" is a common diminutive ending in Russian surnames, indicating it as a smaller or lesser form of the root name.
RUBINCHIK likely originated among Jewish communities in Eastern Europe, particularly in present-day Ukraine, Belarus, and western Russia. Some of the earliest recorded instances of the name can be found in census records and synagogue registers from towns and shtetls in these regions during the late 1700s and early 1800s.
One of the first documented individuals with this surname was Isaac Rubinchik, a merchant born around 1790 in the town of Rechitsa, now in modern-day Belarus. Another early bearer of the name was Leah Rubinchik, born in 1812 in the town of Zhytomyr, Ukraine.
As the 19th century progressed, the RUBINCHIK surname began to spread more widely throughout the Russian Empire and neighboring regions. Notable individuals included Yakov Rubinchik, a scholar and Talmudist born in 1842 in Minsk, and Shmuel Rubinchik, a renowned writer and poet from Odessa, Ukraine, who lived from 1858 to 1927.
In the late 19th and early 20th centuries, many individuals with the surname RUBINCHIK immigrated to other parts of Europe and the Americas, seeking better opportunities or fleeing persecution. One such individual was Chaim Rubinchik, a tailor born in 1875 in Kaunas, Lithuania, who later settled in New York City in the early 1900s.
Throughout its history, the RUBINCHIK surname has been associated with various occupations, including merchants, scholars, writers, and artisans. While not a particularly common surname, it has left a notable mark in the cultural and historical records of Eastern European Jewish communities and their diaspora around the world.
Demographics
Ancestry and ethnicity for Rubinchik
Among Census respondents with the surname Rubinchik, the largest self-reported group is White at 97.1%. The next largest groups are Two or More Races (2.9%).
The bar chart below shows how Rubinchik 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 Rubinchik surname at the time of the 2020 Census, not any inherent property of the name itself.
- White97.1% · 102
- Two or more races2.9% · 3
Timeline
Historical Census data for Rubinchik
Rubinchik 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
#136,449
National surname rank
Recorded bearers 123
+18 bearers (+17.1%)
Per 100,000 0.04
Rank movement Up 8,459 places
2020
#152,989
National surname rank
Recorded bearers 105
-18 bearers (-14.6%)
Per 100,000 0.04
Rank movement Down 16,540 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #144,908 | 105 | 0.04 | First available Census row | First available Census row |
| 2010 | #136,449 | 123 | 0.04 | +18 bearers (+17.1%) | Up 8,459 places |
| 2020 | #152,989 | 105 | 0.04 | -18 bearers (-14.6%) | Down 16,540 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 Rubinchik 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 | #136,449 | #152,989 | -12.1% |
| Count | 123 | 105 | -14.6% |
| Per 100K | 0.04 | 0.04 | -12.2% |
Between the 2010 and 2020 Census, the number of Rubinchik bearers went from 123 to 105 (-14.6% change). The surname moved down 16,540 positions in the national ranking, going from #136,449 to #152,989.
FAQ
Rubinchik surname: questions and answers
How many people in the U.S. have the surname Rubinchik?
Name Census estimates that about 120 living Americans carry the surname Rubinchik. Using the current population baseline, that works out to roughly 1 in 2,856,286 residents.
How common is Rubinchik?
Rubinchik ranks #152,989 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 105 people with the surname Rubinchik. That is different from the site's living-bearer estimate (120), 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 Rubinchik.
Has Rubinchik become more or less common over time?
Between 2010 and 2020, the surname Rubinchik went from 123 recorded bearers to 105. That is a decrease of 18 (-14.6%). In the national ranking it fell from #136,449 to #152,989.
What does the Census say about the background of Rubinchik?
Among Census respondents with the surname Rubinchik, the largest self-reported group is White at 97.1%. The next largest groups are Two or More Races (2.9%). 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?
White is the largest self-reported group for the surname Rubinchik in the 2020 Census, accounting for 97.1% (102 people in the source table).
What is the full ancestry breakdown?
Rubinchik appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (97.1%), Two or More Races (2.9%). 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 Rubinchik (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 Rubinchik mean?
A Jewish surname derived from the Yiddish word "rubintshik" meaning a jeweler or gem dealer. 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 Rubinchik (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 have the last name Rubinchik?
Our sister site HowManyOfMe.org answers how many people are called Rubinchik at a glance, with the living-bearer count up front.