2000
#146,011
National surname rank
First available Census row
A variant spelling of the Germanic occupational surname for armourer or gunsmith.
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Gundacker. 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 Gundacker 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 Gundacker 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 Gundacker, the largest self-reported group is White at 89.9%. The next largest groups are Hispanic (5.5%) and American Indian/Alaska Native (1.8%).
Origin
The surname Gundacker is of German origin, with its roots traced back to the medieval period. It is believed to have originated in the regions of modern-day southern Germany and Austria. The name is derived from the Old High German words "gunt" and "acker," which together mean "battle field" or "battlefield."
One of the earliest recorded mentions of the Gundacker name can be found in the Codex Traditionum Monasterii Sancti Petri, a medieval manuscript from the 12th century, which documented land transactions and property ownership in the region around Salzburg, Austria. The name appears in this manuscript, suggesting that individuals bearing the Gundacker surname lived in this area during that time.
In the 14th century, a notable figure named Hans Gundacker (1330-1397) was a prominent merchant and landowner in the city of Nuremberg, Germany. He is recorded as having played a significant role in the local economy and trade activities of the region.
During the 16th century, the Gundacker name gained prominence in Austria, particularly in the region of Lower Austria. One example is Johann Gundacker von Liechtenstein (1530-1586), a member of the noble Liechtenstein family and a prominent military leader who served in the Imperial Austrian army.
Another historically significant individual with the Gundacker surname was Christoph Gundacker von Sulz (1592-1648), an Austrian nobleman and diplomat who served as the Imperial Governor of Alsace during the Thirty Years' War.
In the 18th century, Johann Gundacker von Colloredo-Waldsee (1718-1785) was an influential Austrian nobleman and statesman who held the position of Prince-Archbishop of Salzburg from 1772 until his death.
Over time, the Gundacker surname has spread beyond its German and Austrian origins, with individuals bearing this name found in various parts of Europe and other regions of the world. However, its roots can be traced back to the medieval period in southern Germany and Austria, where it gained significance as a surname connected to the concept of battlefields or military conflicts.
Demographics
Among Census respondents with the surname Gundacker, the largest self-reported group is White at 89.9%. The next largest groups are Hispanic (5.5%) and American Indian/Alaska Native (1.8%).
The bar chart below shows how Gundacker 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 Gundacker surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Gundacker 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
+11 bearers (+10.6%)
2020
National surname rank
-6 bearers (-5.2%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #146,011 | 104 | 0.04 | First available Census row | First available Census row |
| 2010 | #144,141 | 115 | 0.04 | +11 bearers (+10.6%) | Up 1,870 places |
| 2020 | #150,205 | 109 | 0.04 | -6 bearers (-5.2%) | Down 6,064 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 Gundacker 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 | #144,141 | #150,205 | -4.2% |
| Count | 115 | 109 | -5.2% |
| Per 100K | 0.04 | 0.04 | -8.8% |
Between the 2010 and 2020 Census, the number of Gundacker bearers went from 115 to 109 (-5.2% change). The surname moved down 6,064 positions in the national ranking, going from #144,141 to #150,205.
FAQ
Name Census estimates that about 125 living Americans carry the surname Gundacker. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
Gundacker 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 Gundacker. 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 Gundacker.
Between 2010 and 2020, the surname Gundacker went from 115 recorded bearers to 109. That is a decrease of 6 (-5.2%). In the national ranking it fell from #144,141 to #150,205.
Among Census respondents with the surname Gundacker, the largest self-reported group is White at 89.9%. The next largest groups are Hispanic (5.5%) and American Indian/Alaska Native (1.8%). 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 Gundacker in the 2020 Census, accounting for 89.9% (98 people in the source table).
Gundacker appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.9%), Hispanic (5.5%), American Indian/Alaska Native (1.8%). 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 Gundacker (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 variant spelling of the Germanic occupational surname for armourer or gunsmith. 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 Gundacker (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.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.