The Holtz surname
In the 2010 U.S. Census, 9,502 people carried this name — #3,730 among all U.S. surnames, about 1 in every 31,100 people counted. That is up 4% from 9,160 in 2000.
In France’s civil register
France’s register of deaths holds 410 people named Holtz.
13 of them were born outside France. Those born in France came from 30 départements, most often Bas-Rhin.
Where it concentrates, on the mapWhere they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Argentina’s national register
At least 290 people named Holtz live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Buenos Aires Province.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In Switzerland’s population statistics
70 people named Holtz live in Switzerland.
They live in 9 of Switzerland’s 26 cantons, most of all in Zurich.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In Poland’s population register
45 people named Holtz have a registered home in Poland.
Of the 66 in Poland’s national register, these are the ones with a permanent address on file. They live in 4 of Poland’s 16 voivodeships, most of all in Kuyavian-Pomeranian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In the Nordic population registers
215 people named Holtz is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
Who carried it
People named Holtz,
with a public archive behind them.
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Wilhelm Holtz 1836–1913 · physicist -
Ferdinand Carl Hotz 1843–1909 · ophthalmologist -
Martinus Hansson Holtz d. 1709 · organist
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John Lewis Holtz of Prussia 1596–1671 · Cistercians
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Otto Reinhold von Holtz 1757–1828 · writer
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Theodor Holtz 1776–1855
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Holtz.
- Holliger 200 · U.S. census
- Hollinger 5,634 · U.S. census
- Holmes 156,780 · U.S. census
- Holquin 443 · U.S. census
- Holstein 4,098 · U.S. census
- Holt 87,531 · U.S. census
- Holtzer 455 · U.S. census
- Holtzinger 421 · U.S. census
- Holtzmann 133 · U.S. census
- Holveck 278 · U.S. census
- Holweg 140 · U.S. census
- Holz 3,002 · U.S. census
When the index is not enough
This page says where Holtz is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.