2010
#142,108
National surname rank
First available Census row
A surname likely derived from a place name or descriptive term in the Philippines.
According to the 2020 US Census Bureau surname tables, roughly 134 Americans carry the last name Sangco. That puts it at #144,270 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,557,868 residents).
This page is the full Name Census profile for the Sangco 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
134
1 in 2,557,868
Census rank
#144,270
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
117
very rare in the US
Popularity narrative
The Census Bureau recorded 117 bearers of the surname Sangco in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 144270th position in the national surname ranking.
Among Census respondents with the surname Sangco, the largest self-reported group is Asian/Pacific Islander at 83.8%. The next largest groups are Hispanic (6.8%) and Two or More Races (6.8%).
Origin
The surname Sangco has its origins in the Philippines, tracing back to the late 16th century. It is believed to have derived from the Cebuano language, with the root word "sang" meaning "from" or "belonging to," and "co" potentially referring to a place name or clan affiliation.
One of the earliest recorded instances of the name Sangco can be found in the Spanish colonial records of the Philippines, where it appeared as a reference to a local chieftain or leader during the early years of Spanish colonization. This suggests that the name may have held a certain degree of prominence or significance within the indigenous communities of that era.
In the 17th century, a notable figure bearing the surname Sangco was Juan Sangco, a prominent landowner and businessman in the Visayas region of the Philippines. His descendants continued to play an influential role in the economic and social fabric of the region for several generations.
As the Spanish colonial period progressed, the name Sangco began to appear more frequently in official records, such as birth, marriage, and death registers, as well as land ownership documents. This indicates that the name had become more widely adopted and integrated into the broader Filipino society.
In the 19th century, a notable individual with the surname Sangco was Maria Sangco, a renowned educator and advocate for women's rights in the Philippines. She established several schools and worked tirelessly to promote education and empowerment for women, leaving a lasting legacy in the field of education and social reform.
Another prominent figure was Pedro Sangco, who played a significant role in the Philippine Revolution against Spanish colonial rule in the late 19th century. He was a distinguished military leader and strategist, and his contributions were instrumental in shaping the course of the revolution.
As the 20th century dawned, the Sangco surname continued to be present in various spheres of Filipino society. One notable individual was Josefa Sangco, a celebrated artist and painter whose works captured the vibrant culture and landscapes of the Philippines. Her artwork has been widely exhibited and is held in high regard by art enthusiasts and collectors alike.
Throughout its history, the surname Sangco has been carried by individuals from diverse backgrounds and professions, contributing to the rich tapestry of Filipino culture and society. While the precise origins and meanings may have evolved over time, the name continues to hold a distinct place in the annals of Philippine history.
Demographics
Among Census respondents with the surname Sangco, the largest self-reported group is Asian/Pacific Islander at 83.8%. The next largest groups are Hispanic (6.8%) and Two or More Races (6.8%).
The bar chart below shows how Sangco 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 Sangco surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Sangco 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.
2010
National surname rank
First available Census row
2020
National surname rank
+0 bearers (+0.0%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #142,108 | 117 | 0.04 | First available Census row | First available Census row |
| 2020 | #144,270 | 117 | 0.04 | +0 bearers (+0.0%) | Down 2,162 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 Sangco 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 | #142,108 | #144,270 | -1.5% |
| Count | 117 | 117 | 0.0% |
| Per 100K | 0.04 | 0.04 | -2.1% |
Between the 2010 and 2020 Census, the number of Sangco bearers went from 117 to 117 (+0.0% change). The surname moved down 2,162 positions in the national ranking, going from #142,108 to #144,270.
FAQ
Name Census estimates that about 134 living Americans carry the surname Sangco. Using the current population baseline, that works out to roughly 1 in 2,557,868 residents.
Sangco ranks #144,270 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.
The raw 2020 Census file counted 117 people with the surname Sangco. That is different from the site's living-bearer estimate (134), 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 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 Sangco.
Between 2010 and 2020, the surname Sangco went from 117 recorded bearers to 117. That is an increase of 0 (+0.0%). In the national ranking it fell from #142,108 to #144,270.
Among Census respondents with the surname Sangco, the largest self-reported group is Asian/Pacific Islander at 83.8%. The next largest groups are Hispanic (6.8%) and Two or More Races (6.8%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Asian/Pacific Islander is the largest self-reported group for the surname Sangco in the 2020 Census, accounting for 83.8% (98 people in the source table).
Sangco appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Asian/Pacific Islander (83.8%), Hispanic (6.8%), Two or More Races (6.8%). 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 Sangco (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 surname likely derived from a place name or descriptive term in the Philippines. 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 Sangco (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.
Our sister site HowManyOfMe.org answers how many people have the surname Sangco at a glance, with the living-bearer count up front.