2010
#157,234
National surname rank
Recorded bearers 103
First available Census row
Per 100,000 0.03
Very Rare Last name
Amposta
A surname derived from the Spanish town of Amposta, located in Catalonia.
According to the 2020 US Census Bureau surname tables, roughly 123 Americans carry the last name Amposta. That puts it at #151,639 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,786,621 residents).
This page is the full Name Census profile for the Amposta 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
123
1 in 2,786,621
Census rank
#151,639
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
107
very rare in the US
Popularity narrative
The Census Bureau recorded 107 bearers of the surname Amposta in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 151639th position in the national surname ranking.
Among Census respondents with the surname Amposta, the largest self-reported group is Asian/Pacific Islander at 77.6%. The next largest groups are White (8.4%) and Hispanic (7.5%).
Origin
Meaning and origin of Amposta
The surname Amposta is of Spanish origin, specifically from the Catalonia region. It is believed to have originated in the town of Amposta, located in the province of Tarragona, during the medieval period.
Amposta is derived from the Latin phrase "ad fauces fluminis," which translates to "at the mouth of the river." This likely refers to the town's strategic location near the mouth of the Ebro River. The earliest known record of the name dates back to the 13th century, when it appeared in various municipal documents from the region.
One of the earliest documented individuals with the surname Amposta was Joan Amposta, a merchant who lived in the town of Amposta in the late 14th century. Records indicate that he was involved in the trade of salt and other goods along the Ebro River.
In the 15th century, the name Amposta gained prominence when Bernat Amposta, a renowned scholar and theologian, served as the Bishop of Barcelona from 1436 to 1446. His contributions to the intellectual and religious life of the city were significant during that period.
Another notable figure was Francesc Amposta, a military commander who fought in the Reconquista campaigns against the Moors in the late 15th century. He was recognized for his bravery and leadership in several battles, including the Siege of Malaga in 1487.
During the 16th century, the surname Amposta spread beyond Catalonia as members of the family migrated to other parts of Spain and the Americas. One such individual was Diego Amposta, who was among the early Spanish settlers in Mexico in the 1520s.
In the 17th century, Maria Amposta, a nun and writer, gained recognition for her spiritual works and poetry. She was born in Amposta in 1620 and spent most of her life in a convent in Barcelona, where she wrote extensively on religious themes.
Throughout history, the surname Amposta has been associated with various professions, including merchants, scholars, military leaders, and members of the clergy. While not among the most common surnames in Spain, it remains deeply rooted in the history and culture of the Catalonia region.
Demographics
Ancestry and ethnicity for Amposta
Among Census respondents with the surname Amposta, the largest self-reported group is Asian/Pacific Islander at 77.6%. The next largest groups are White (8.4%) and Hispanic (7.5%).
The bar chart below shows how Amposta 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 Amposta surname at the time of the 2020 Census, not any inherent property of the name itself.
- Asian and Pacific Islander77.6% · 83
- White8.4% · 9
- Hispanic or Latino7.5% · 8
- Two or more races4.7% · 5
- Black or African American0.9% · 1
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Amposta
Amposta 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
#151,639
National surname rank
Recorded bearers 107
+4 bearers (+3.9%)
Per 100,000 0.04
Rank movement Up 5,595 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #157,234 | 103 | 0.03 | First available Census row | First available Census row |
| 2020 | #151,639 | 107 | 0.04 | +4 bearers (+3.9%) | Up 5,595 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 Amposta 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 | #157,234 | #151,639 | 3.6% |
| Count | 103 | 107 | 3.9% |
| Per 100K | 0.03 | 0.04 | 19.3% |
Between the 2010 and 2020 Census, the number of Amposta bearers went from 103 to 107 (+3.9% change). The surname moved up 5,595 positions in the national ranking, going from #157,234 to #151,639.
FAQ
Amposta surname: questions and answers
How many people in the U.S. have the surname Amposta?
Name Census estimates that about 123 living Americans carry the surname Amposta. Using the current population baseline, that works out to roughly 1 in 2,786,621 residents.
How common is Amposta?
Amposta ranks #151,639 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 107 people with the surname Amposta. That is different from the site's living-bearer estimate (123), 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 Amposta.
Has Amposta become more or less common over time?
Between 2010 and 2020, the surname Amposta went from 103 recorded bearers to 107. That is an increase of 4 (+3.9%). In the national ranking it rose from #157,234 to #151,639.
What does the Census say about the background of Amposta?
Among Census respondents with the surname Amposta, the largest self-reported group is Asian/Pacific Islander at 77.6%. The next largest groups are White (8.4%) and Hispanic (7.5%). 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 Amposta in the 2020 Census, accounting for 77.6% (83 people in the source table).
What is the full ancestry breakdown?
Amposta appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Asian/Pacific Islander (77.6%), White (8.4%), Hispanic (7.5%). 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 Amposta (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 Amposta mean?
A surname derived from the Spanish town of Amposta, located in Catalonia. 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 Amposta (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 Amposta?
Find out how many people have the last name Amposta on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.