2000
#8,511
National surname rank
First available Census row
A Jewish occupational surname derived from the Yiddish words for "rose" and "leaf" or "blade," likely referring to a florist.
According to the 2020 US Census Bureau surname tables, roughly 3,778 Americans carry the last name Rosenblatt. That puts it at #9,447 in the national surname ranking, appearing at a frequency of 1.10 per 100,000 people (about 1 in 90,724 residents).
This page is the full Name Census profile for the Rosenblatt 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 Rosenblatt with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
3.8K
1 in 90,724
Census rank
#9,447
2020 decennial data
Per 100,000
1.1
Frequency rate
Recorded bearers
3.3K
rare in the US
Popularity narrative
The Census Bureau recorded 3,295 bearers of the surname Rosenblatt in its 2020 decennial surname file. At a rate of 1.10 per 100,000 residents, it holds the 9447th position in the national surname ranking.
Among Census respondents with the surname Rosenblatt, the largest self-reported group is White at 93.2%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.5%).
Origin
The surname Rosenblatt has its origins in the German language, and it is believed to have emerged in the 14th century. The name is a compound word derived from the German words "Rose" and "Blatt," which translate to "rose" and "leaf" respectively. It is likely that the name originally referred to a person who lived near a rose garden or was associated with the cultivation of roses.
The earliest recorded instances of the name Rosenblatt can be found in various German records and documents from the late Middle Ages. One of the earliest known mentions of the name appears in the Würzburg city archives, where a certain "Johannes Rosenblatt" is listed as a resident in the year 1387.
As the name spread across German-speaking regions, it underwent minor spelling variations, such as Rosenblat, Rosenblath, and Rosenblatt. These variations were often influenced by local dialects and the preferences of the scribes who recorded the names.
During the 15th and 16th centuries, the Rosenblatt surname appeared in various German towns and cities, including Nuremberg, Frankfurt, and Hamburg. One notable bearer of the name was Hans Rosenblatt (c. 1450-1516), a German painter and engraver who was active in Nuremberg during the Renaissance period.
In the 17th century, the name Rosenblatt began to spread beyond the German-speaking regions as a result of migration and displacement caused by religious persecution and economic factors. Some Rosenblatt families settled in neighboring countries like Poland, Hungary, and the Netherlands.
One of the earliest recorded examples of the name outside of Germany can be found in the Dutch city of Amsterdam, where a certain "Abraham Rosenblatt" is listed as a resident in the year 1642.
As the Rosenblatt surname continued to spread and establish itself in various regions, it was borne by several notable individuals throughout history. These include:
1. Judah Rosenblatt (1828-1910), a German-born American rabbi and author who served as the chief rabbi of Baltimore.
2. Moses Rosenblatt (1873-1926), a Russian-born cantor and composer who was renowned for his performances in synagogues across Europe and North America.
3. Benjamin Rosenblatt (1888-1976), an American lawyer and judge who served on the New York Supreme Court.
4. Samuel Rosenblatt (1896-1973), an American painter and printmaker known for his depictions of urban life in New York City.
5. Hilda Rosenblatt (1904-1990), a German-born American author and literary critic who wrote extensively about Jewish literature and culture.
While the surname Rosenblatt has its roots in Germany, it has since become a global name, with bearers residing in various countries around the world. The name's enduring legacy reflects the rich cultural and linguistic heritage of its German origins, as well as the diverse journeys of those who have carried it throughout history.
Demographics
Among Census respondents with the surname Rosenblatt, the largest self-reported group is White at 93.2%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.5%).
The bar chart below shows how Rosenblatt 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 Rosenblatt surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Rosenblatt 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.
2000
National surname rank
First available Census row
2010
National surname rank
-74 bearers (-2.1%)
2020
National surname rank
-195 bearers (-5.6%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #8,511 | 3,564 | 1.32 | First available Census row | First available Census row |
| 2010 | #9,332 | 3,490 | 1.18 | -74 bearers (-2.1%) | Down 821 places |
| 2020 | #9,447 | 3,295 | 1.10 | -195 bearers (-5.6%) | Down 115 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
How has the Rosenblatt surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #9,332 | #9,447 | -1.2% |
| Count | 3,490 | 3,295 | -5.6% |
| Per 100K | 1.18 | 1.10 | -6.6% |
Between the 2010 and 2020 Census, the number of Rosenblatt bearers went from 3,490 to 3,295 (-5.6% change). The surname moved down 115 positions in the national ranking, going from #9,332 to #9,447.
FAQ
Name Census estimates that about 3,778 living Americans carry the surname Rosenblatt. Using the current population baseline, that works out to roughly 1 in 90,724 residents.
Rosenblatt ranks #9,447 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.10 per 100,000 residents, which is about 1 people out of every 100,000.
The raw 2020 Census file counted 3,295 people with the surname Rosenblatt. That is different from the site's living-bearer estimate (3,778), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
It is the Census Bureau's normalized frequency measure. A rate of 1.10 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 Rosenblatt.
Between 2010 and 2020, the surname Rosenblatt went from 3,490 recorded bearers to 3,295. That is a decrease of 195 (-5.6%). In the national ranking it fell from #9,332 to #9,447.
Among Census respondents with the surname Rosenblatt, the largest self-reported group is White at 93.2%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.5%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Rosenblatt in the 2020 Census, accounting for 93.2% (3,071 people in the source table).
Rosenblatt appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.2%), Hispanic (3.1%), Two or More Races (2.5%). 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.
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 Rosenblatt (2000, 2010, 2020).
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.
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.
A Jewish occupational surname derived from the Yiddish words for "rose" and "leaf" or "blade," likely referring to a florist. The fuller origin note on this page goes into more detail.
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.
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 Rosenblatt (1.10 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.