Flak surname: U.S. census count, rank and records | FamilyCrests

The Flak surname

In the 2010 U.S. Census, 278 people carried this name — #70,403 among all U.S. surnames, about 1 in every 1,111,100 people counted. That is down 29% from 391 in 2000.

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In Poland’s population register

4,123 people named Flak have a registered home in Poland.

Of the 4,615 in Poland’s national register, these are the ones with a permanent address on file. They live in all 16 of Poland’s voivodeships, most of all in Silesian.

Where it concentrates, on the map

Where they live today

Silesian 1,393
Lesser Poland 508
Masovian 415
Subcarpathian 413
Lublin 311
Greater Poland 299
Lower Silesian 161
Opole 135

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 81 people named Flak.

Most of them — 45 — were born outside France. Those born in France came from 10 départements, most often Moselle.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they were born

Born outside France 45
Moselle 12
Paris 7
Pas-de-Calais 4
Yvelines 3
Loire-Atlantique 3
Haut-Rhin 2
Aube 2
Bouches-du-Rhône 1

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In the Nordic population registers

21 people named Flak is counted in Sweden.

Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.

Counted, by country

Sweden (2022) 21

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 Flak,
with a public archive behind them.

  • David Flak 1903–1945
  • Jan Flak 1904–1963 · politician
  • Franciszek Flak 1924–2023 · social activist
  • Edward Flak 1940–2020 · lawyer
  • Edward Flak 1948–2020 · lawyer
  • Olaf Flak 1950– · teacher

Wikidata (CC0) · 9 lives in all are documented under this name.

Nearby in the index

Surnames next to Flak.

When the index is not enough

This page says where Flak 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.

See what a volume holds
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