2000
#118,954
National surname rank
First available Census row
A surname of Dutch origin meaning "the younger" or "junior".
According to the 2020 US Census Bureau surname tables, roughly 133 Americans carry the last name Deyonker. That puts it at #145,028 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,577,100 residents).
This page is the full Name Census profile for the Deyonker 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
133
1 in 2,577,100
Census rank
#145,028
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
116
very rare in the US
Popularity narrative
The Census Bureau recorded 116 bearers of the surname Deyonker in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145028th position in the national surname ranking.
Among Census respondents with the surname Deyonker, the largest self-reported group is White at 93.1%. The next largest groups are Hispanic (4.3%) and Two or More Races (1.7%).
Origin
The surname DEYONKER is of Dutch origin, emerging in the 16th century. It is believed to have originated from the town of Jonker, situated in the province of Friesland, Netherlands. The prefix "de" in the name suggests it was a locational surname, indicating someone who hailed from the town of Jonker.
One of the earliest recorded instances of the DEYONKER name can be found in the municipal archives of the city of Amsterdam, dating back to 1587. A certain Willem DEYONKER is mentioned as a merchant and trader who frequently conducted business with the Dutch East India Company.
In the 17th century, the DEYONKER name appeared in various legal documents and property records across the Netherlands. A notable example is the land dispute between Jan DEYONKER and his neighbor, documented in the court records of the city of Leeuwarden in 1642.
During the Dutch Golden Age, the DEYONKER family established itself as a prominent trading and seafaring dynasty. Dirk DEYONKER (1620-1689), a successful merchant and ship owner, was among the most influential figures of his time, with extensive business interests across Europe and the Dutch East Indies.
As the Dutch Empire expanded, so did the reach of the DEYONKER name. In the 18th century, several members of the family migrated to the Dutch colonies in South Africa and the Caribbean. One such individual was Pieter DEYONKER (1745-1812), who settled in Cape Town and became a respected landowner and vintner.
Throughout the 19th century, the DEYONKER name continued to be associated with various professions and industries. Notable individuals included Johanna DEYONKER (1825-1892), a renowned painter from Amsterdam, and Willem DEYONKER (1856-1918), a pioneering engineer who contributed significantly to the development of the Netherlands' infrastructure.
As the centuries passed, the DEYONKER name became more widespread, with descendants settling in various parts of the world. However, its origins can be traced back to the small town of Jonker in the Netherlands, where it first emerged as a locational surname in the 16th century.
Demographics
Among Census respondents with the surname Deyonker, the largest self-reported group is White at 93.1%. The next largest groups are Hispanic (4.3%) and Two or More Races (1.7%).
The bar chart below shows how Deyonker 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 Deyonker surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Deyonker 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
-13 bearers (-9.6%)
2020
National surname rank
-6 bearers (-4.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #118,954 | 135 | 0.05 | First available Census row | First available Census row |
| 2010 | #137,327 | 122 | 0.04 | -13 bearers (-9.6%) | Down 18,373 places |
| 2020 | #145,028 | 116 | 0.04 | -6 bearers (-4.9%) | Down 7,701 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 Deyonker 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 | #137,327 | #145,028 | -5.6% |
| Count | 122 | 116 | -4.9% |
| Per 100K | 0.04 | 0.04 | -3.0% |
Between the 2010 and 2020 Census, the number of Deyonker bearers went from 122 to 116 (-4.9% change). The surname moved down 7,701 positions in the national ranking, going from #137,327 to #145,028.
FAQ
Name Census estimates that about 133 living Americans carry the surname Deyonker. Using the current population baseline, that works out to roughly 1 in 2,577,100 residents.
Deyonker ranks #145,028 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 116 people with the surname Deyonker. That is different from the site's living-bearer estimate (133), 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 Deyonker.
Between 2010 and 2020, the surname Deyonker went from 122 recorded bearers to 116. That is a decrease of 6 (-4.9%). In the national ranking it fell from #137,327 to #145,028.
Among Census respondents with the surname Deyonker, the largest self-reported group is White at 93.1%. The next largest groups are Hispanic (4.3%) and Two or More Races (1.7%). 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 Deyonker in the 2020 Census, accounting for 93.1% (108 people in the source table).
Deyonker appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.1%), Hispanic (4.3%), Two or More Races (1.7%). 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 Deyonker (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 surname of Dutch origin meaning "the younger" or "junior". 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 Deyonker (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.
Want to know how many people have the surname Deyonker? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.