2010
#129,047
National surname rank
Recorded bearers 132
First available Census row
Per 100,000 0.04
Very Rare Last name
Yefremov
A Russian surname derived from the male given name Yefrem, which is a variant of the Biblical name Ephraim.
According to the 2020 US Census Bureau surname tables, roughly 127 Americans carry the last name Yefremov. That puts it at #148,665 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,698,853 residents).
This page is the full Name Census profile for the Yefremov 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
127
1 in 2,698,853
Census rank
#148,665
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
111
very rare in the US
Popularity narrative
The Census Bureau recorded 111 bearers of the surname Yefremov in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 148665th position in the national surname ranking.
Among Census respondents with the surname Yefremov, the largest self-reported group is White at 93.7%. The next largest groups are Asian/Pacific Islander (4.5%) and Hispanic (0.9%).
Origin
Meaning and origin of Yefremov
The surname Yefremov originates from Russia and dates back to the medieval period. The name is derived from the given name Yefrem, which itself is the Russian form of the biblical name Ephraim. The name Ephraim, meaning "fruitful" or "fertile," has Hebrew origins and was borne by one of the sons of Joseph in the Old Testament.
Yefremov is a patronymic surname, which means it was formed from the personal name of an ancestor. In this case, it means "son of Yefrem." Such patronymic forms were common in Russian naming practices, often created by adding the suffix -ov, which means "of" or "belonging to."
The surname Yefremov is first recorded in historical documents from the 16th and 17th centuries, found in areas such as Moscow and the surrounding regions. An early record of this surname appears in a 1555 manuscript that lists a boyar named Ivan Yefremov, who served under Tsar Ivan the Terrible.
One notable individual with the surname was Nikolay Yefremov (1850-1916), a Russian general prominent during the Russo-Turkish War of 1877-1878. His contributions to the military efforts of Russia were well documented in various historical records.
In the realm of literature, Sergey Yefremov (1876-1939) was a Ukrainian literary critic and politician. He played a significant role in the early 20th-century cultural and political landscape of Ukraine, contributing to significant literary criticism and national movements.
The world of science also features a famous Yefremov: Ivan Yefremov (1908-1972), a Soviet paleontologist and science fiction writer. His work in paleontology earned him recognition, along with his imaginative science fiction novels that explored futuristic themes.
Another notable individual was Valery Yefremov (1948-2021), a Russian physicist whose research and publications in the field of plasma physics were influential in both Russian and international scientific communities.
Lastly, Aleksandr Yefremov (born 1959), a Russian film director and screenwriter, contributed significantly to Soviet and post-Soviet cinema. His films received various awards and recognition in film festivals, reflecting his impact on Russian cultural life.
The surname Yefremov, through its long history and notable bearers, encapsulates a rich tapestry of Russian culture, spanning military, literary, scientific, and artistic achievements.
Demographics
Ancestry and ethnicity for Yefremov
Among Census respondents with the surname Yefremov, the largest self-reported group is White at 93.7%. The next largest groups are Asian/Pacific Islander (4.5%) and Hispanic (0.9%).
The bar chart below shows how Yefremov 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 Yefremov surname at the time of the 2020 Census, not any inherent property of the name itself.
- White93.7% · 104
- Asian and Pacific Islander4.5% · 5
- Hispanic or Latino0.9% · 1
- Two or more races0.9% · 1
Timeline
Historical Census data for Yefremov
Yefremov appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2020
#148,665
National surname rank
Recorded bearers 111
-21 bearers (-15.9%)
Per 100,000 0.04
Rank movement Down 19,618 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #129,047 | 132 | 0.04 | First available Census row | First available Census row |
| 2020 | #148,665 | 111 | 0.04 | -21 bearers (-15.9%) | Down 19,618 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 Yefremov 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 | #129,047 | #148,665 | -15.2% |
| Count | 132 | 111 | -15.9% |
| Per 100K | 0.04 | 0.04 | -7.2% |
Between the 2010 and 2020 Census, the number of Yefremov bearers went from 132 to 111 (-15.9% change). The surname moved down 19,618 positions in the national ranking, going from #129,047 to #148,665.
FAQ
Yefremov surname: questions and answers
How many people in the U.S. have the surname Yefremov?
Name Census estimates that about 127 living Americans carry the surname Yefremov. Using the current population baseline, that works out to roughly 1 in 2,698,853 residents.
How common is Yefremov?
Yefremov ranks #148,665 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 111 people with the surname Yefremov. That is different from the site's living-bearer estimate (127), 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 Yefremov.
Has Yefremov become more or less common over time?
Between 2010 and 2020, the surname Yefremov went from 132 recorded bearers to 111. That is a decrease of 21 (-15.9%). In the national ranking it fell from #129,047 to #148,665.
What does the Census say about the background of Yefremov?
Among Census respondents with the surname Yefremov, the largest self-reported group is White at 93.7%. The next largest groups are Asian/Pacific Islander (4.5%) and Hispanic (0.9%). 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 Yefremov in the 2020 Census, accounting for 93.7% (104 people in the source table).
What is the full ancestry breakdown?
Yefremov appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.7%), Asian/Pacific Islander (4.5%), Hispanic (0.9%). 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 Yefremov (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 Yefremov mean?
A Russian surname derived from the male given name Yefrem, which is a variant of the Biblical name Ephraim. 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 Yefremov (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 Yefremov?
Want to know how many people have the last name Yefremov? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.