The Keil surname
In the 2000 U.S. Census, 5,042 people carried this name — #6,240 among all U.S. surnames, about 1 in every 53,500 people counted.
In Switzerland’s population statistics
186 people named Keil live in Switzerland.
They live in 14 of Switzerland’s 26 cantons, most of all in Zurich.
Where it concentrates, on the mapWhere they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 168 people named Keil.
27 of them were born outside France. Those born in France came from 19 départements, most often Bas-Rhin.
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 Poland’s population register
70 people named Keil have a registered home in Poland.
Of the 122 in Poland’s national register, these are the ones with a permanent address on file. They live in 11 of Poland’s 16 voivodeships, most of all in Silesian.
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 Belgium’s population register
At least 34 people named Keil live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Namur.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Keil.
- Kedziora 169 · U.S. census
- Kehl 2,465 · U.S. census
- Kehr 1,596 · U.S. census
- Kehren 160 · U.S. census
- Kehres 595 · U.S. census
- Keiffer 1,132 · U.S. census
- Keim 6,561 · U.S. census
- Keime 118 · U.S. census
- Keip 204 · U.S. census
- Keiser 6,822 · U.S. census
- Keita 673 · U.S. census
- Keith 46,747 · U.S. census
When the index is not enough
This page says where Keil 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.