2000
#121,780
National surname rank
Recorded bearers 131
First available Census row
Per 100,000 0.05
Very Rare Last name
Haslach
A surname referring to a person from Haslach, a town name found in various German-speaking regions.
According to the 2020 US Census Bureau surname tables, roughly 114 Americans carry the last name Haslach. That puts it at #156,005 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 3,006,617 residents).
This page is the full Name Census profile for the Haslach 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
114
1 in 3,006,617
Census rank
#156,005
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
99
very rare in the US
Popularity narrative
The Census Bureau recorded 99 bearers of the surname Haslach in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 156005th position in the national surname ranking.
Among Census respondents with the surname Haslach, the largest self-reported group is White at 94.9%. The next largest groups are Hispanic (2.0%) and Two or More Races (2.0%).
Origin
Meaning and origin of Haslach
The surname Haslach is believed to have originated in the southern regions of Germany, particularly in the areas around the town of Haslach im Kinzigtal, located in the state of Baden-Württemberg. The name is thought to be derived from the Old High German word "hasal," meaning "hazelnut bush," combined with the suffix "-ach," which indicates a place or region.
The earliest recorded instances of the Haslach surname can be traced back to the 13th and 14th centuries, where it was found in various medieval records and documents from the region. One notable historical reference is the mention of a Conradus de Haselach in a 1296 document from the Alsace region.
In the 15th century, the name appeared in the Bühlertal valley near Haslach, where a family of nobles bearing the name Haslach resided. This family played a significant role in the local administration and governance of the area during that time period.
As the surname spread across Germany and neighboring regions, variations in spelling emerged, including Haselach, Hasslach, and Hasslacher. These variations were often influenced by regional dialects and the preferences of local scribes.
Notable individuals with the surname Haslach throughout history include:
1. Johann Haslach (1446-1521), a German humanist scholar and rector of the University of Freiburg.
2. Christoph Haslach (1564-1631), a German Protestant theologian and author of several religious works.
3. Matthias Haslach (1617-1675), a German composer and organist active in the 17th century.
4. Anton Haslach (1725-1796), a German Catholic priest and historian who wrote about the history of the Haslach region.
5. Theodor Haslach (1831-1899), a German politician and member of the Reichstag (Imperial Diet) in the late 19th century.
While the surname Haslach has its roots in the southern regions of Germany, it has since spread to other parts of Europe and the world due to migration and historical events. However, the earliest recorded instances and historical references to the name can be traced back to the areas around the town of Haslach im Kinzigtal and the surrounding regions.
Demographics
Ancestry and ethnicity for Haslach
Among Census respondents with the surname Haslach, the largest self-reported group is White at 94.9%. The next largest groups are Hispanic (2.0%) and Two or More Races (2.0%).
The bar chart below shows how Haslach 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 Haslach surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.9% · 94
- Hispanic or Latino2.0% · 2
- Two or more races2.0% · 2
- Asian and Pacific Islander1.0% · 1
Timeline
Historical Census data for Haslach
Haslach 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.
2010
#146,201
National surname rank
Recorded bearers 113
-18 bearers (-13.7%)
Per 100,000 0.04
Rank movement Down 24,421 places
2020
#156,005
National surname rank
Recorded bearers 99
-14 bearers (-12.4%)
Per 100,000 0.03
Rank movement Down 9,804 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #121,780 | 131 | 0.05 | First available Census row | First available Census row |
| 2010 | #146,201 | 113 | 0.04 | -18 bearers (-13.7%) | Down 24,421 places |
| 2020 | #156,005 | 99 | 0.03 | -14 bearers (-12.4%) | Down 9,804 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 Haslach 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 | #146,201 | #156,005 | -6.7% |
| Count | 113 | 99 | -12.4% |
| Per 100K | 0.04 | 0.03 | -17.2% |
Between the 2010 and 2020 Census, the number of Haslach bearers went from 113 to 99 (-12.4% change). The surname moved down 9,804 positions in the national ranking, going from #146,201 to #156,005.
FAQ
Haslach surname: questions and answers
How many people in the U.S. have the surname Haslach?
Name Census estimates that about 114 living Americans carry the surname Haslach. Using the current population baseline, that works out to roughly 1 in 3,006,617 residents.
How common is Haslach?
Haslach ranks #156,005 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.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 99 people with the surname Haslach. That is different from the site's living-bearer estimate (114), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.03 per 100,000 actually mean?
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 Haslach.
Has Haslach become more or less common over time?
Between 2010 and 2020, the surname Haslach went from 113 recorded bearers to 99. That is a decrease of 14 (-12.4%). In the national ranking it fell from #146,201 to #156,005.
What does the Census say about the background of Haslach?
Among Census respondents with the surname Haslach, the largest self-reported group is White at 94.9%. The next largest groups are Hispanic (2.0%) and Two or More Races (2.0%). 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?
White is the largest self-reported group for the surname Haslach in the 2020 Census, accounting for 94.9% (94 people in the source table).
What is the full ancestry breakdown?
Haslach appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.9%), Hispanic (2.0%), Two or More Races (2.0%). 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.
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 Haslach (2000, 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 Haslach mean?
A surname referring to a person from Haslach, a town name found in various German-speaking regions. 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 Haslach (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.
How many people share the surname Haslach?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.