2000
#4,832
National surname rank
First available Census row
A Spanish surname derived from the word "loza," meaning "earthenware" or "crockery," likely referring to a potter or ceramicist.
According to the 2020 US Census Bureau surname tables, roughly 10,279 Americans carry the last name Loza. That puts it at #3,858 in the national surname ranking, appearing at a frequency of 3.00 per 100,000 people (about 1 in 33,345 residents).
This page is the full Name Census profile for the Loza 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
10K
1 in 33,345
Census rank
#3,858
2020 decennial data
Per 100,000
3.0
Frequency rate
Recorded bearers
9.0K
uncommon in the US
Popularity narrative
The Census Bureau recorded 8,964 bearers of the surname Loza in its 2020 decennial surname file. At a rate of 3.00 per 100,000 residents, it holds the 3858th position in the national surname ranking.
Among Census respondents with the surname Loza, the largest self-reported group is Hispanic at 91.8%. The next largest groups are White (6.4%) and Asian/Pacific Islander (0.6%).
Origin
The surname Loza originated in Spain during the medieval period. It is believed to have derived from the Spanish word "loza," which means "earthenware" or "ceramic tile." This suggests that the name may have been associated with potters, tile makers, or those involved in the ceramic industry.
The earliest known record of the name Loza can be traced back to the 13th century in the region of Andalusia, Spain. During this time, the city of Seville was renowned for its ceramic industry, and it is possible that the name originated among the artisans and craftsmen in this area.
One of the earliest documented instances of the name Loza appears in the "Libro de Repartimiento de Sevilla," a historical record from the 13th century that details the distribution of land and properties in Seville after the Christian conquest of the city in 1248. This document mentions several individuals with the surname Loza, indicating their presence in the region.
In the 14th century, the name Loza was also found in other parts of Spain, such as Aragon and Catalonia. Records from this period show variations in spelling, including "Losa," "Losas," and "Losaz."
One notable bearer of the name Loza was Pedro Loza, a Spanish conquistador who participated in the conquest of Mexico in the early 16th century. He was born in Seville around 1480 and accompanied Hernán Cortés on his expedition to the New World.
Another prominent figure with the surname Loza was Juan de Loza, a Spanish explorer and navigator who lived in the 16th century. He was involved in various expeditions to the Americas and is credited with mapping parts of the Pacific coast of Central America.
In the 17th century, the name Loza was also found in various parts of Latin America, particularly in Mexico and Peru. This was likely due to the migration of Spanish settlers and the spread of the name across the Spanish colonies.
One example from this period is Gaspar de Loza, a Spanish-born priest and missionary who lived in the 17th century. He worked among the indigenous populations in New Spain (present-day Mexico) and played a significant role in the evangelization efforts of the Catholic Church in the region.
In the 18th century, the surname Loza was also present in the Philippines, which was a Spanish colony at the time. Records indicate that individuals with this name were involved in various occupations, including trade and administration.
Overall, the surname Loza has a rich history rooted in the ceramic and pottery traditions of Spain, and its presence can be traced across various regions and time periods, reflecting the migration and settlement patterns of Spanish populations.
Demographics
Among Census respondents with the surname Loza, the largest self-reported group is Hispanic at 91.8%. The next largest groups are White (6.4%) and Asian/Pacific Islander (0.6%).
The bar chart below shows how Loza 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 Loza surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Loza 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
+2,346 bearers (+35.2%)
2020
National surname rank
-47 bearers (-0.5%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #4,832 | 6,665 | 2.47 | First available Census row | First available Census row |
| 2010 | #3,949 | 9,011 | 3.05 | +2,346 bearers (+35.2%) | Up 883 places |
| 2020 | #3,858 | 8,964 | 3.00 | -47 bearers (-0.5%) | Up 91 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 Loza 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 | #3,949 | #3,858 | 2.3% |
| Count | 9,011 | 8,964 | -0.5% |
| Per 100K | 3.05 | 3.00 | -1.7% |
Between the 2010 and 2020 Census, the number of Loza bearers went from 9,011 to 8,964 (-0.5% change). The surname moved up 91 positions in the national ranking, going from #3,949 to #3,858.
FAQ
Name Census estimates that about 10,279 living Americans carry the surname Loza. Using the current population baseline, that works out to roughly 1 in 33,345 residents.
Loza ranks #3,858 in the 2020 Census surname tables and is classified on this site as "Uncommon." The Census recorded the name at a frequency of 3.00 per 100,000 residents, which is about 3 people out of every 100,000.
The raw 2020 Census file counted 8,964 people with the surname Loza. That is different from the site's living-bearer estimate (10,279), 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 3.00 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 3 of them to have the surname Loza.
Between 2010 and 2020, the surname Loza went from 9,011 recorded bearers to 8,964. That is a decrease of 47 (-0.5%). In the national ranking it rose from #3,949 to #3,858.
Among Census respondents with the surname Loza, the largest self-reported group is Hispanic at 91.8%. The next largest groups are White (6.4%) and Asian/Pacific Islander (0.6%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Hispanic is the largest self-reported group for the surname Loza in the 2020 Census, accounting for 91.8% (8,229 people in the source table).
Loza appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (91.8%), White (6.4%), Asian/Pacific Islander (0.6%). 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 Loza (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 Spanish surname derived from the word "loza," meaning "earthenware" or "crockery," likely referring to a potter or ceramicist. 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 Loza (3.00 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.