noun
inhabitant, resident
B1
Einwohner (der) means inhabitant or resident of a place. Masculine noun; plural is Einwohner (unchanged form). Declension: der Einwohner (sing.), die Einwohner (pl.). Use for people living somewhere; regular declension though singular genitive is des Einwohners. No irregular plural. Common collocation: Einwohnerzahl.
Examples
Die Stadt verteilte Informationsbroschüren an die Einwohner, damit sie über die Änderung informiert wurden.
The city distributed informational brochures to the residents so that they were informed about the change.
Viele Einwohner nehmen an der Bürgerversammlung teil.
Many residents take part in the citizens' meeting.
Die Stadt hat mehr als eine Million Einwohner.
The city has more than one million inhabitants.
Details
Mnemonics
Picture a person living 'in' a house with a small voter badge that says 'I live here'.
Sounds like 'in' + 'voter' — someone who lives in a place.
der — imagine a male neighbor (der Mann) as the prototypical Einwohner.
Notes
Einwohner refers to a person living in a place (often a city, region). It is commonly used for both singular and plural (plural: Einwohner). Do not confuse with Einwohnerzahl (population number).