There are roughly 300,000 people living in Nyrheim.
Dwarves, About 40% of the population
Dwarves hold most positions of power in Nyrheim, granting a certain level of privilege to their kind in every social class. As a vassal state, they have adopted many elements of Floren culture. They embrace customs of nobility from the ranks and titles to the traditionally clean-shaven faces. Many grow up speaking Imperial Common as a first language.
Humans, About 55% of the population
Human culture in Floren has been greatly influenced its position between Antum and the Northern Isles. Humans with heritage tracing back to the Old Empire share many traditions with the elves who once ruled these lands. Those from the Floren tribe migrated from regions much closer to the dwarven homelands.
Elves, About 5% of the population
While not many elves live in Nyrheim, elvish culture in the neighboring duchy of Brynthal remains strong. They have three social classes: a warrior aristocracy, an intellectual class, and idle commoners. Their history of conflict with the dwarves is not forgotten, but it has been forgiven by both groups.
Other, Less than 1% of the population
The half-bloods in the duchy are more or less treated no differently from full-blooded humans. As a coastal community, Nyrheim is a cultural crossroads and major hub of trade. This has afforded half-bloods many ambassadorial positions, either in government or in private enterprises. A handful of other sapiens may be found in Nyrheim, mostly from northern regions. They may be viewed as "exotic" but are not entirely unheard of, even to most commonfolk. These include fairies, leprechauns, firbolg, jotun, etc.