2000
#142,819
National surname rank
First available Census row
A Dutch surname derived from a geographic name meaning "crooked wood".
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Kromhout. That puts it at #150,205 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,742,035 residents).
This page is the full Name Census profile for the Kromhout 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
125
1 in 2,742,035
Census rank
#150,205
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
109
very rare in the US
Popularity narrative
The Census Bureau recorded 109 bearers of the surname Kromhout in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150205th position in the national surname ranking.
Among Census respondents with the surname Kromhout, the largest self-reported group is White at 81.7%. The next largest groups are Hispanic (8.3%) and Two or More Races (7.3%).
Origin
The surname Kromhout originated in the Netherlands during the Middle Ages. It is derived from the Dutch words "krom" meaning "crooked" and "hout" meaning "wood." This suggests that the name may have initially referred to someone who lived near a crooked or bent piece of woodland.
The earliest recorded instances of the Kromhout name date back to the 13th century in the Dutch province of Zeeland. In a 1267 manuscript from the town of Middelburg, a certain Willem Kromhout is mentioned as a landowner.
During the 16th century, the Kromhout family gained prominence in the city of Amsterdam. Pieter Kromhout (1518-1596) was a successful merchant and served as a city alderman. His son, Jacob Kromhout (1554-1629), followed in his footsteps and became a respected figure in the Dutch East India Company.
In the 17th century, the Kromhout name appears in records from the town of Alkmaar, located in the province of Noord-Holland. A notable individual from this time was Dirck Kromhout (1610-1672), a skilled shipbuilder who constructed several vessels for the Dutch navy.
As the Dutch colonial empire expanded, the Kromhout name spread to other parts of the world. In the late 18th century, a branch of the family settled in South Africa, where they established themselves as farmers and landowners in the Cape Colony.
Other notable individuals bearing the Kromhout surname include:
1. Jacobus Kromhout (1756-1832), a Dutch naval officer who fought in the Battle of Camperdown during the Napoleonic Wars.
2. Hendrik Kromhout (1801-1879), a Dutch painter known for his landscapes and coastal scenes.
3. Theodorus Kromhout (1825-1902), a Dutch politician who served as the Mayor of Rotterdam from 1865 to 1888.
4. Nicolaas Kromhout (1854-1932), a Dutch engineer who founded the Kromhout Motorenfabriek, a company that produced industrial engines and machinery.
5. Arie Kromhout (1895-1971), a Dutch athlete who competed in the 1920 and 1924 Summer Olympics as a long-distance runner.
Demographics
Among Census respondents with the surname Kromhout, the largest self-reported group is White at 81.7%. The next largest groups are Hispanic (8.3%) and Two or More Races (7.3%).
The bar chart below shows how Kromhout 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 Kromhout surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Kromhout 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
-4 bearers (-3.7%)
2020
National surname rank
+6 bearers (+5.8%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #142,819 | 107 | 0.04 | First available Census row | First available Census row |
| 2010 | #157,234 | 103 | 0.03 | -4 bearers (-3.7%) | Down 14,415 places |
| 2020 | #150,205 | 109 | 0.04 | +6 bearers (+5.8%) | Up 7,029 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 Kromhout 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 | #157,234 | #150,205 | 4.5% |
| Count | 103 | 109 | 5.8% |
| Per 100K | 0.03 | 0.04 | 21.6% |
Between the 2010 and 2020 Census, the number of Kromhout bearers went from 103 to 109 (+5.8% change). The surname moved up 7,029 positions in the national ranking, going from #157,234 to #150,205.
FAQ
Name Census estimates that about 125 living Americans carry the surname Kromhout. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
Kromhout ranks #150,205 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 109 people with the surname Kromhout. That is different from the site's living-bearer estimate (125), 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 Kromhout.
Between 2010 and 2020, the surname Kromhout went from 103 recorded bearers to 109. That is an increase of 6 (+5.8%). In the national ranking it rose from #157,234 to #150,205.
Among Census respondents with the surname Kromhout, the largest self-reported group is White at 81.7%. The next largest groups are Hispanic (8.3%) and Two or More Races (7.3%). 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 Kromhout in the 2020 Census, accounting for 81.7% (89 people in the source table).
Kromhout appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (81.7%), Hispanic (8.3%), Two or More Races (7.3%). 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 Kromhout (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 Dutch surname derived from a geographic name meaning "crooked wood". 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 Kromhout (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.
For a quick modern take, check how many people have the surname Kromhout on our sister site HowManyOfMe.org.