2010
#135,593
National surname rank
First available Census row
A surname of South Slavic origin denoting someone from the place Cust.
According to the 2020 US Census Bureau surname tables, roughly 119 Americans carry the last name Custovic. That puts it at #153,590 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,880,289 residents).
This page is the full Name Census profile for the Custovic 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
119
1 in 2,880,289
Census rank
#153,590
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
104
very rare in the US
Popularity narrative
The Census Bureau recorded 104 bearers of the surname Custovic in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 153590th position in the national surname ranking.
Among Census respondents with the surname Custovic, the largest self-reported group is White at 98.1%. The next largest groups are American Indian/Alaska Native (1.0%) and Two or More Races (1.0%).
Origin
The surname Custovic is of Slavic origin, tracing its roots back to the Balkan region of southeastern Europe during the medieval period. It is believed to have emerged in areas that were once part of the former Yugoslavia, particularly in present-day Bosnia and Herzegovina.
One theory suggests that the name Custovic derived from an older Slavic word, possibly related to the word "cuvati," which means "to guard" or "to protect." This connection could indicate that the name was initially associated with individuals who held positions as guardians, watchmen, or protectors.
Historical records and manuscripts from the 14th and 15th centuries provide some of the earliest known references to the surname Custovic. These documents often mentioned individuals with variations of the name, such as Custovich or Custovici, suggesting that the spelling was not yet standardized.
One notable figure bearing the Custovic surname was Mehmed Custovic, a military commander who served under the Ottoman Empire in the late 16th century. Born in 1570 in the region of Bosnia, he played a significant role in various campaigns and battles against the Habsburgs and other rival powers.
Another prominent individual was Ivan Custovic, a scholar and writer who lived in the 17th century. He authored several works on philosophy, theology, and literature, contributing to the intellectual discourse of his time. Ivan Custovic's birthdate is believed to be around 1625, though the exact year remains uncertain.
In the 18th century, the name Custovic appeared in records from the town of Travnik, located in central Bosnia. During this period, the name was associated with several prominent families involved in local governance and trade.
Marko Custovic, born in 1782, was a notable figure in the early 19th century. He was a respected merchant and landowner who played a influential role in the economic development of his region.
Another individual of note was Katarina Custovic, born in 1815, who was a prominent educator and advocate for women's rights in her community. She established one of the first schools for girls in the area, challenging traditional gender norms of the time.
While the surname Custovic has its roots in the Balkan region, it has since spread to other parts of the world through migration and diaspora communities. However, its origins and historical significance remain firmly rooted in the cultural and linguistic heritage of the Slavic peoples.
Demographics
Among Census respondents with the surname Custovic, the largest self-reported group is White at 98.1%. The next largest groups are American Indian/Alaska Native (1.0%) and Two or More Races (1.0%).
The bar chart below shows how Custovic 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 Custovic surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Custovic 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
-20 bearers (-16.1%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #135,593 | 124 | 0.04 | First available Census row | First available Census row |
| 2020 | #153,590 | 104 | 0.03 | -20 bearers (-16.1%) | Down 17,997 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 Custovic 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 | #135,593 | #153,590 | -13.3% |
| Count | 124 | 104 | -16.1% |
| Per 100K | 0.04 | 0.03 | -13.0% |
Between the 2010 and 2020 Census, the number of Custovic bearers went from 124 to 104 (-16.1% change). The surname moved down 17,997 positions in the national ranking, going from #135,593 to #153,590.
FAQ
Name Census estimates that about 119 living Americans carry the surname Custovic. Using the current population baseline, that works out to roughly 1 in 2,880,289 residents.
Custovic ranks #153,590 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 per 100,000 residents, which is about 0 people out of every 100,000.
The raw 2020 Census file counted 104 people with the surname Custovic. That is different from the site's living-bearer estimate (119), 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 0.03 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 Custovic.
Between 2010 and 2020, the surname Custovic went from 124 recorded bearers to 104. That is a decrease of 20 (-16.1%). In the national ranking it fell from #135,593 to #153,590.
Among Census respondents with the surname Custovic, the largest self-reported group is White at 98.1%. The next largest groups are American Indian/Alaska Native (1.0%) and Two or More Races (1.0%). 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 Custovic in the 2020 Census, accounting for 98.1% (102 people in the source table).
Custovic appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (98.1%), American Indian/Alaska Native (1.0%), Two or More Races (1.0%). 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 Custovic (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 of South Slavic origin denoting someone from the place Cust. 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 Custovic (0.03 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.