The Spica surname
In the 2010 U.S. Census, 303 people carried this name — #65,424 among all U.S. surnames, about 1 in every 1,000,000 people counted. That is up 1% from 299 in 2000.
In Poland’s population register
727 people named Spica have a registered home in Poland.
Of the 821 in Poland’s national register, these are the ones with a permanent address on file. They live in 8 of Poland’s 16 voivodeships, most of all in Kuyavian-Pomeranian.
Where it concentrates, on the mapWhere 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 France’s civil register
France’s register of deaths holds 55 people named Spica.
Most of them — 35 — were born outside France. Those born in France came from 7 départements, most often Rhône.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Switzerland’s population statistics
45 people named Spica live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Aargau.
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.
Who carried it
People named Spica,
with a public archive behind them.
-
Pietro Spica Marcataio 1854–1929 · chemist
Wikidata (CC0).
Nearby in the index
Surnames next to Spica.
- Speranza 1,408 · U.S. census
- Speroni 260 · U.S. census
- Speth 1,467 · U.S. census
- Spettel 148 · U.S. census
- Spetz 241 · U.S. census
- Speyer 590 · U.S. census
- Spicher 1,159 · U.S. census
- Spiegel 6,338 · U.S. census
- Spieldenner 167 · U.S. census
- Spieler 467 · U.S. census
- Spielmann 456 · U.S. census
- Spies 3,508 · U.S. census
When the index is not enough
This page says where Spica 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.