2000
#11,270
National surname rank
Recorded bearers 2,575
First available Census row
Per 100,000 0.95
Rare Last name
Bartos
A surname of Czech origin derived from the personal name Bartoloměj, meaning "son of Bartholomew."
According to the 2020 US Census Bureau surname tables, roughly 2,775 Americans carry the last name Bartos. That puts it at #12,280 in the national surname ranking, appearing at a frequency of 0.81 per 100,000 people (about 1 in 123,515 residents).
This page is the full Name Census profile for the Bartos 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.
For British records, Name Census UK has a British surname profile for Bartos with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
2.8K
1 in 123,515
Census rank
#12,280
2020 decennial data
Per 100,000
0.8
Frequency rate
Recorded bearers
2.4K
rare in the US
Popularity narrative
The Census Bureau recorded 2,420 bearers of the surname Bartos in its 2020 decennial surname file. At a rate of 0.81 per 100,000 residents, it holds the 12280th position in the national surname ranking.
Among Census respondents with the surname Bartos, the largest self-reported group is White at 93.3%. The next largest groups are Hispanic (3.6%) and Two or More Races (1.6%).
Origin
Meaning and origin of Bartos
The surname Bartos is of Czech origin, originating in the 15th century from the personal name Bartoloměj, which is the Czech form of the name Bartholomew. This name ultimately derives from the Aramaic bar-Talmay, meaning "son of the furrows" or "son of the rich soils."
In its earliest recorded use, the name was spelled Barthoss or Bartosch in various Czech regions. It later evolved into the modern spelling of Bartos, which became more widespread throughout Bohemia and Moravia by the 16th century.
One of the earliest known references to the name Bartos can be found in a 1493 land registry document from the town of Žatec, which mentions a landowner named Jan Bartos. Another early record is from 1521, where a merchant named Mikuláš Bartos is listed in the city records of Prague.
In the late 15th century, a notable figure with the surname Bartos was Václav Bartos, a prominent Czech scholar and author who wrote extensively on the history and culture of Bohemia. He was born in 1467 and died in 1542.
During the 17th century, the name Bartos appeared in several village and town records across Moravia and Silesia, indicating its spread throughout these regions. One example is the village of Bartošovice, which likely derived its name from an early settler named Bartos.
In the 18th century, a famous bearer of the name was Jiří Bartoš (1716-1789), a Czech composer and organist who is considered one of the most important figures in the development of Czech baroque music.
Another notable individual with the surname Bartos was František Bartoš (1837-1906), a Czech ethnographer and writer who made significant contributions to the study of folk traditions and customs in Moravia.
Throughout the 19th and 20th centuries, the Bartos surname continued to be prevalent in various parts of the Czech Republic, as well as in areas with significant Czech populations, such as parts of Austria and the United States.
Demographics
Ancestry and ethnicity for Bartos
Among Census respondents with the surname Bartos, the largest self-reported group is White at 93.3%. The next largest groups are Hispanic (3.6%) and Two or More Races (1.6%).
The bar chart below shows how Bartos 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 Bartos surname at the time of the 2020 Census, not any inherent property of the name itself.
- White93.3% · 2,257
- Hispanic or Latino3.6% · 86
- Two or more races1.6% · 38
- Asian and Pacific Islander0.8% · 20
- Black or African American0.7% · 17
- American Indian and Alaska Native0.1% · 2
Timeline
Historical Census data for Bartos
Bartos 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
#11,448
National surname rank
Recorded bearers 2,751
+176 bearers (+6.8%)
Per 100,000 0.93
Rank movement Down 178 places
2020
#12,280
National surname rank
Recorded bearers 2,420
-331 bearers (-12.0%)
Per 100,000 0.81
Rank movement Down 832 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #11,270 | 2,575 | 0.95 | First available Census row | First available Census row |
| 2010 | #11,448 | 2,751 | 0.93 | +176 bearers (+6.8%) | Down 178 places |
| 2020 | #12,280 | 2,420 | 0.81 | -331 bearers (-12.0%) | Down 832 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 Bartos 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 | #11,448 | #12,280 | -7.3% |
| Count | 2,751 | 2,420 | -12.0% |
| Per 100K | 0.93 | 0.81 | -12.9% |
Between the 2010 and 2020 Census, the number of Bartos bearers went from 2,751 to 2,420 (-12.0% change). The surname moved down 832 positions in the national ranking, going from #11,448 to #12,280.
FAQ
Bartos surname: questions and answers
How many people in the U.S. have the surname Bartos?
Name Census estimates that about 2,775 living Americans carry the surname Bartos. Using the current population baseline, that works out to roughly 1 in 123,515 residents.
How common is Bartos?
Bartos ranks #12,280 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 0.81 per 100,000 residents, which is about 1 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 2,420 people with the surname Bartos. That is different from the site's living-bearer estimate (2,775), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.81 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.81 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 1 of them to have the surname Bartos.
Has Bartos become more or less common over time?
Between 2010 and 2020, the surname Bartos went from 2,751 recorded bearers to 2,420. That is a decrease of 331 (-12.0%). In the national ranking it fell from #11,448 to #12,280.
What does the Census say about the background of Bartos?
Among Census respondents with the surname Bartos, the largest self-reported group is White at 93.3%. The next largest groups are Hispanic (3.6%) and Two or More Races (1.6%). 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 Bartos in the 2020 Census, accounting for 93.3% (2,257 people in the source table).
What is the full ancestry breakdown?
Bartos appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.3%), Hispanic (3.6%), Two or More Races (1.6%). 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 Bartos (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 Bartos mean?
A surname of Czech origin derived from the personal name Bartoloměj, meaning "son of Bartholomew." 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 Bartos (0.81 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 common is the surname Bartos?
For a quick modern take, check how common the surname Bartos is on our sister site HowManyOfMe.org.