2010
#145,220
National surname rank
Recorded bearers 114
First available Census row
Per 100,000 0.04
Very Rare Last name
Jastrzab
A Polish surname derived from the word meaning "falcon" or "hawk".
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Jastrzab. That puts it at #143,511 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,538,921 residents).
This page is the full Name Census profile for the Jastrzab 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
135
1 in 2,538,921
Census rank
#143,511
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
118
very rare in the US
Popularity narrative
The Census Bureau recorded 118 bearers of the surname Jastrzab in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 143511th position in the national surname ranking.
Among Census respondents with the surname Jastrzab, the largest self-reported group is White at 100.0%.
Origin
Meaning and origin of Jastrzab
The surname Jastrzab is of Polish origin and dates back to the Middle Ages. It is derived from the Polish word "jastrzab," which means "hawk" or "falcon." This suggests that the name may have originally referred to someone who was associated with falconry or had a particular skill or interest in hunting with birds of prey.
The earliest recorded instances of the Jastrzab surname can be found in medieval Polish records and documents from the 13th and 14th centuries. These early records often mention individuals with variations of the name, such as Jastrzemb, Jastrzembiec, or Jastrzembski, indicating that the name underwent various spelling changes over time.
One notable historical figure bearing the Jastrzab name was Jan Jastrzab, a Polish nobleman and military commander who lived in the late 15th century. He played a significant role in the Polish-Teutonic War and was known for his bravery and strategic skills on the battlefield.
In the 16th century, the Jastrzab surname was also associated with a prominent noble family in the region of Greater Poland. The family owned several estates and wielded considerable influence in the area. One member of this family, Stanislaw Jastrzab, was a respected scholar and author who published works on Polish history and literature in the early 1600s.
Another historically significant individual with the Jastrzab surname was Wawrzyniec Jastrzab, a Polish painter active in the late 16th and early 17th centuries. He is known for his religious paintings and frescoes that adorned several churches and monasteries in Krakow and other Polish cities.
During the 17th and 18th centuries, the Jastrzab surname was also found in various historical records from the Polish-Lithuanian Commonwealth, indicating the name's presence throughout different regions of the country. Some notable individuals from this period include Feliks Jastrzab, a prominent landowner and politician in the mid-18th century, and Michal Jastrzab, a celebrated poet and translator who lived in the late 1700s.
While the Jastrzab surname has its roots in medieval Poland, it eventually spread to other parts of Europe and even to the Americas through migration and immigration patterns. Today, people with the Jastrzab surname can be found in various countries around the world, reflecting the rich history and cultural legacy of this Polish name.
Demographics
Ancestry and ethnicity for Jastrzab
Among Census respondents with the surname Jastrzab, the largest self-reported group is White at 100.0%.
The bar chart below shows how Jastrzab 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 Jastrzab surname at the time of the 2020 Census, not any inherent property of the name itself.
- White100.0% · 118
Timeline
Historical Census data for Jastrzab
Jastrzab 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
#143,511
National surname rank
Recorded bearers 118
+4 bearers (+3.5%)
Per 100,000 0.04
Rank movement Up 1,709 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #145,220 | 114 | 0.04 | First available Census row | First available Census row |
| 2020 | #143,511 | 118 | 0.04 | +4 bearers (+3.5%) | Up 1,709 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 Jastrzab 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 | #145,220 | #143,511 | 1.2% |
| Count | 114 | 118 | 3.5% |
| Per 100K | 0.04 | 0.04 | -1.3% |
Between the 2010 and 2020 Census, the number of Jastrzab bearers went from 114 to 118 (+3.5% change). The surname moved up 1,709 positions in the national ranking, going from #145,220 to #143,511.
FAQ
Jastrzab surname: questions and answers
How many people in the U.S. have the surname Jastrzab?
Name Census estimates that about 135 living Americans carry the surname Jastrzab. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
How common is Jastrzab?
Jastrzab ranks #143,511 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 118 people with the surname Jastrzab. That is different from the site's living-bearer estimate (135), 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 Jastrzab.
Has Jastrzab become more or less common over time?
Between 2010 and 2020, the surname Jastrzab went from 114 recorded bearers to 118. That is an increase of 4 (+3.5%). In the national ranking it rose from #145,220 to #143,511.
What does the Census say about the background of Jastrzab?
Among Census respondents with the surname Jastrzab, the largest self-reported group is White at 100.0%. 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 Jastrzab in the 2020 Census, accounting for 100.0% (118 people in the source table).
What is the full ancestry breakdown?
Jastrzab appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (100.0%). 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 Jastrzab (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 Jastrzab mean?
A Polish surname derived from the word meaning "falcon" or "hawk". 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 Jastrzab (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 have the last name Jastrzab?
You can see how many people have the surname Jastrzab on our sister site HowManyOfMe.org — same data roots, lighter UI.