Why is it der Pole?

Pole ends in -e. Most nouns with this ending are feminine (79% take die), but Pole is an exception: der Pole.

The other -e exceptions
Sense 1
der

Meaning

[1] Citizens of Poland

[1] Staatsbürger von Polen

[2] A person whose (mother) language and culture are Polish

[2] ein Mensch, dessen (Mutter-)Sprache und Kultur polnisch sind

Examples

[1] The Poles are our neighboring

[1] Die Polen sind unsere Nachbarn.

[1] "My cousin has had her house in Moers from two Poles"

[1] „Meine Cousine hat ihr Haus in Moers von zwei Polen streichen lassen.“
More source examples (2)

These dictionary examples can include historical and less common uses.

[1] "For the same reason, Poland have great respect for foreign language"

[1] „Aus demselben Grund haben Polen einen großen Respekt vor Fremdsprachen.“

[2] Frédéric Chopin was a pole, it was originally called Fryderyk Chopinien

[2] Frédéric Chopin war ein Pole, er hieß ursprünglich Fryderyk Chopin.

Declension

1 Singular Plural
Nominativ der Pole die Polen
Genitiv des Polen der Polen
Dativ dem Polen den Polen
Akkusativ den Polen die Polen

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary