2010
#158,432
National surname rank
Recorded bearers 102
First available Census row
Per 100,000 0.03
Very Rare Last name
Heinauer
Of German origin, meaning someone from a small village or hamlet.
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Heinauer. 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 Heinauer 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 Heinauer 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 Heinauer, the largest self-reported group is White at 93.6%. The next largest groups are Two or More Races (3.7%) and Hispanic (0.9%).
Origin
Meaning and origin of Heinauer
The surname Heinauer is of German origin, originating in the late medieval period around the 14th century. It is believed to have derived from the Middle High German word "Heinewart," which means "keeper or warden of the home." This suggests that the name was likely given to individuals who worked as caretakers or overseers of households, manors, or estates.
The earliest recorded instances of the name Heinauer can be found in historical records from Bavaria and Saxony, where it was sometimes spelled as "Heinauer," "Heynauer," or "Heineuer." These variations likely emerged due to regional dialects and scribal errors in the transcription of records.
One of the earliest documented individuals with the surname Heinauer was Hans Heinauer, a merchant and landowner who lived in the town of Augsburg in the late 15th century. Records from 1482 indicate that he was involved in trade with Italy and owned several properties within the city limits.
In the 16th century, the name Heinauer appeared in several municipal records and legal documents from the German states of Bavaria and Saxony. Notable individuals from this period include Johann Heinauer, a magistrate in the city of Nuremberg (born circa 1520), and Margaretha Heinauer, a landowner in the village of Zittau (born around 1545).
During the 17th and 18th centuries, the Heinauer surname became more widespread, with individuals bearing the name appearing in various parts of Germany, as well as in neighboring regions such as Alsace and Switzerland. One notable figure was Johann Georg Heinauer (1676-1744), a respected theologian and author who served as a professor at the University of Leipzig.
In the 19th century, the Heinauer name gained prominence with the achievements of several individuals. These include Karl Heinauer (1818-1892), a renowned architect who designed several notable buildings in Munich, and Heinrich Heinauer (1842-1912), a successful industrialist and philanthropist who established several charitable foundations in his hometown of Stuttgart.
Throughout its history, the surname Heinauer has been associated with various occupations and professions, ranging from merchants and landowners to academics, artists, and entrepreneurs. While not a widespread name, it has left a lasting mark in the regions where it originated and continues to be carried on by individuals of German ancestry.
Demographics
Ancestry and ethnicity for Heinauer
Among Census respondents with the surname Heinauer, the largest self-reported group is White at 93.6%. The next largest groups are Two or More Races (3.7%) and Hispanic (0.9%).
The bar chart below shows how Heinauer 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 Heinauer surname at the time of the 2020 Census, not any inherent property of the name itself.
- White93.6% · 102
- Two or more races3.7% · 4
- Hispanic or Latino0.9% · 1
- Asian and Pacific Islander0.9% · 1
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Heinauer
Heinauer 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.
2020
#150,205
National surname rank
Recorded bearers 109
+7 bearers (+6.9%)
Per 100,000 0.04
Rank movement Up 8,227 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #158,432 | 102 | 0.03 | First available Census row | First available Census row |
| 2020 | #150,205 | 109 | 0.04 | +7 bearers (+6.9%) | Up 8,227 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 Heinauer 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 | #158,432 | #150,205 | 5.2% |
| Count | 102 | 109 | 6.9% |
| Per 100K | 0.03 | 0.04 | 21.6% |
Between the 2010 and 2020 Census, the number of Heinauer bearers went from 102 to 109 (+6.9% change). The surname moved up 8,227 positions in the national ranking, going from #158,432 to #150,205.
FAQ
Heinauer surname: questions and answers
How many people in the U.S. have the surname Heinauer?
Name Census estimates that about 125 living Americans carry the surname Heinauer. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
How common is Heinauer?
Heinauer 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.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 109 people with the surname Heinauer. 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.
What does 0.04 per 100,000 actually mean?
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 Heinauer.
Has Heinauer become more or less common over time?
Between 2010 and 2020, the surname Heinauer went from 102 recorded bearers to 109. That is an increase of 7 (+6.9%). In the national ranking it rose from #158,432 to #150,205.
What does the Census say about the background of Heinauer?
Among Census respondents with the surname Heinauer, the largest self-reported group is White at 93.6%. The next largest groups are Two or More Races (3.7%) and Hispanic (0.9%). 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 Heinauer in the 2020 Census, accounting for 93.6% (102 people in the source table).
What is the full ancestry breakdown?
Heinauer appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.6%), Two or More Races (3.7%), Hispanic (0.9%). 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 Heinauer (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 Heinauer mean?
Of German origin, meaning someone from a small village or hamlet. 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 Heinauer (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.
How many people are called Heinauer?
See how many people have the surname Heinauer on HowManyOfMe.org, our sister site built around that single question.