2000
#147,095
National surname rank
Recorded bearers 103
First available Census row
Per 100,000 0.04
Very Rare Last name
Kudzia
A Polish surname likely deriving from a nickname meaning "curly-haired".
According to the 2020 US Census Bureau surname tables, roughly 122 Americans carry the last name Kudzia. That puts it at #152,339 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,809,462 residents).
This page is the full Name Census profile for the Kudzia 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
122
1 in 2,809,462
Census rank
#152,339
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
106
very rare in the US
Popularity narrative
The Census Bureau recorded 106 bearers of the surname Kudzia in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 152339th position in the national surname ranking.
Among Census respondents with the surname Kudzia, the largest self-reported group is White at 91.5%. The next largest groups are Two or More Races (3.8%) and Hispanic (1.9%).
Origin
Meaning and origin of Kudzia
The surname Kudzia is of Polish origin, with its roots traced back to the 16th century. It is believed to have originated from the region of Silesia, an area that was once shared between Poland and Germany. The name is derived from the Polish word "kuznia," which means "smithy" or "forge," suggesting that the earliest bearers of this surname may have been associated with metalworking or blacksmithing professions.
One of the earliest recorded instances of the Kudzia surname can be found in the parish records of the village of Pyskowice, located in the Silesian region. In these records, dating back to the late 16th century, there are entries for individuals bearing the surname Kudzia, indicating their presence in the area during that time period.
During the 17th and 18th centuries, the Kudzia surname began to spread beyond the Silesian region, with families bearing this name migrating to other parts of Poland and neighboring countries. Notable individuals from this era include Jan Kudzia (1645-1712), a renowned Polish blacksmith known for his intricate metalwork designs, and Katarzyna Kudzia (1702-1778), a prominent figure in the Polish women's rights movement of the 18th century.
In the 19th century, the Kudzia surname gained further prominence with the emergence of several notable figures. One such individual was Józef Kudzia (1812-1887), a Polish writer and journalist who played a significant role in the literary and cultural movements of the time. Another noteworthy bearer of the Kudzia surname was Stanisław Kudzia (1858-1924), a Polish architect renowned for his contributions to the city of Kraków's architectural landscape.
As the 20th century approached, the Kudzia surname continued to spread across Poland and beyond. One of the most famous individuals bearing this surname was Maria Kudzia (1901-1989), a celebrated Polish actress and theater director who gained recognition for her performances in both classical and contemporary plays.
Throughout its history, the Kudzia surname has maintained a strong presence in Poland, with various individuals bearing this name leaving their mark in various fields, including the arts, literature, architecture, and metalworking.
Demographics
Ancestry and ethnicity for Kudzia
Among Census respondents with the surname Kudzia, the largest self-reported group is White at 91.5%. The next largest groups are Two or More Races (3.8%) and Hispanic (1.9%).
The bar chart below shows how Kudzia 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 Kudzia surname at the time of the 2020 Census, not any inherent property of the name itself.
- White91.5% · 97
- Two or more races3.8% · 4
- Hispanic or Latino1.9% · 2
- Asian and Pacific Islander1.9% · 2
- Black or African American0.9% · 1
Timeline
Historical Census data for Kudzia
Kudzia 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
#148,347
National surname rank
Recorded bearers 111
+8 bearers (+7.8%)
Per 100,000 0.04
Rank movement Down 1,252 places
2020
#152,339
National surname rank
Recorded bearers 106
-5 bearers (-4.5%)
Per 100,000 0.04
Rank movement Down 3,992 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #147,095 | 103 | 0.04 | First available Census row | First available Census row |
| 2010 | #148,347 | 111 | 0.04 | +8 bearers (+7.8%) | Down 1,252 places |
| 2020 | #152,339 | 106 | 0.04 | -5 bearers (-4.5%) | Down 3,992 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 Kudzia 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 | #148,347 | #152,339 | -2.7% |
| Count | 111 | 106 | -4.5% |
| Per 100K | 0.04 | 0.04 | -11.3% |
Between the 2010 and 2020 Census, the number of Kudzia bearers went from 111 to 106 (-4.5% change). The surname moved down 3,992 positions in the national ranking, going from #148,347 to #152,339.
FAQ
Kudzia surname: questions and answers
How many people in the U.S. have the surname Kudzia?
Name Census estimates that about 122 living Americans carry the surname Kudzia. Using the current population baseline, that works out to roughly 1 in 2,809,462 residents.
How common is Kudzia?
Kudzia ranks #152,339 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 106 people with the surname Kudzia. That is different from the site's living-bearer estimate (122), 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 Kudzia.
Has Kudzia become more or less common over time?
Between 2010 and 2020, the surname Kudzia went from 111 recorded bearers to 106. That is a decrease of 5 (-4.5%). In the national ranking it fell from #148,347 to #152,339.
What does the Census say about the background of Kudzia?
Among Census respondents with the surname Kudzia, the largest self-reported group is White at 91.5%. The next largest groups are Two or More Races (3.8%) and Hispanic (1.9%). 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 Kudzia in the 2020 Census, accounting for 91.5% (97 people in the source table).
What is the full ancestry breakdown?
Kudzia appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (91.5%), Two or More Races (3.8%), Hispanic (1.9%). 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 Kudzia (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 Kudzia mean?
A Polish surname likely deriving from a nickname meaning "curly-haired". 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 Kudzia (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 surname Kudzia?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.