2010
#126,765
National surname rank
Recorded bearers 135
First available Census row
Per 100,000 0.05
Very Rare Last name
Arizmendiz
A surname deriving from a place name or title in the Basque region.
According to the 2020 US Census Bureau surname tables, roughly 131 Americans carry the last name Arizmendiz. That puts it at #146,495 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,616,445 residents).
This page is the full Name Census profile for the Arizmendiz 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
131
1 in 2,616,445
Census rank
#146,495
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
114
very rare in the US
Popularity narrative
The Census Bureau recorded 114 bearers of the surname Arizmendiz in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 146495th position in the national surname ranking.
Among Census respondents with the surname Arizmendiz, the largest self-reported group is Hispanic at 92.1%. The next largest groups are White (3.5%) and American Indian/Alaska Native (1.8%).
Origin
Meaning and origin of Arizmendiz
The surname Arizmendiz originates from the Basque region of northern Spain and southern France, dating back to the medieval period. It is derived from the Basque words "aritz" meaning oak tree and "mendi" meaning mountain, suggesting a connection to a person living near an oak-covered mountain.
One of the earliest recorded instances of the name Arizmendiz can be found in the Cartulario de San Millán de la Cogolla, a medieval manuscript from the 10th century. This document mentions an individual named Aznar Arizmendiz, who was a landowner in the region of La Rioja, Spain.
In the 12th century, the name appears in the Fuero de Nájera, a legal code established in the town of Nájera, Spain. This document references a nobleman named Lope Arizmendiz, who held land and titles in the area.
During the 13th century, there are records of a prominent family with the Arizmendiz surname in the town of Vitoria-Gasteiz, the capital of the Basque Country. They were influential landowners and played a significant role in local affairs.
One notable figure from this family was Juan Arizmendiz, born in 1295, who served as a magistrate and advisor to the King of Navarre. He was known for his legal expertise and contributions to the development of Basque jurisprudence.
Another individual of historical note was María Arizmendiz, born in 1437, a Basque noblewoman who became a leading figure in the defense of Pamplona during the Navarrese Civil War. Her courage and strategic skills were widely recognized by her contemporaries.
In the 16th century, the Arizmendiz surname spread beyond the Basque regions as a result of migration and intermarriage with other Spanish noble families. One prominent example is Pedro Arizmendiz, born in 1542, who was a renowned military commander and served as the governor of several Spanish colonies in the Americas.
Over the centuries, the surname Arizmendiz has maintained its strong ties to the Basque heritage, with many descendants still residing in the traditional Basque regions of Spain and France. While the name has evolved slightly in spelling and pronunciation across different regions, its origins and historical significance remain rooted in the rugged oak-covered mountains of northern Spain.
Demographics
Ancestry and ethnicity for Arizmendiz
Among Census respondents with the surname Arizmendiz, the largest self-reported group is Hispanic at 92.1%. The next largest groups are White (3.5%) and American Indian/Alaska Native (1.8%).
The bar chart below shows how Arizmendiz 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 Arizmendiz surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino92.1% · 105
- White3.5% · 4
- American Indian and Alaska Native1.8% · 2
- Two or more races1.8% · 2
- Asian and Pacific Islander0.9% · 1
Timeline
Historical Census data for Arizmendiz
Arizmendiz 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
#146,495
National surname rank
Recorded bearers 114
-21 bearers (-15.6%)
Per 100,000 0.04
Rank movement Down 19,730 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #126,765 | 135 | 0.05 | First available Census row | First available Census row |
| 2020 | #146,495 | 114 | 0.04 | -21 bearers (-15.6%) | Down 19,730 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 Arizmendiz 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 | #126,765 | #146,495 | -15.6% |
| Count | 135 | 114 | -15.6% |
| Per 100K | 0.05 | 0.04 | -23.7% |
Between the 2010 and 2020 Census, the number of Arizmendiz bearers went from 135 to 114 (-15.6% change). The surname moved down 19,730 positions in the national ranking, going from #126,765 to #146,495.
FAQ
Arizmendiz surname: questions and answers
How many people in the U.S. have the surname Arizmendiz?
Name Census estimates that about 131 living Americans carry the surname Arizmendiz. Using the current population baseline, that works out to roughly 1 in 2,616,445 residents.
How common is Arizmendiz?
Arizmendiz ranks #146,495 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 114 people with the surname Arizmendiz. That is different from the site's living-bearer estimate (131), 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 Arizmendiz.
Has Arizmendiz become more or less common over time?
Between 2010 and 2020, the surname Arizmendiz went from 135 recorded bearers to 114. That is a decrease of 21 (-15.6%). In the national ranking it fell from #126,765 to #146,495.
What does the Census say about the background of Arizmendiz?
Among Census respondents with the surname Arizmendiz, the largest self-reported group is Hispanic at 92.1%. The next largest groups are White (3.5%) 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.
Which group reports this surname most often?
Hispanic is the largest self-reported group for the surname Arizmendiz in the 2020 Census, accounting for 92.1% (105 people in the source table).
What is the full ancestry breakdown?
Arizmendiz appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (92.1%), White (3.5%), 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.
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 Arizmendiz (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 Arizmendiz mean?
A surname deriving from a place name or title in the Basque region. 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 Arizmendiz (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 Arizmendiz?
For a quick modern take, check how many people have the last name Arizmendiz on our sister site HowManyOfMe.org.