Settlements have various levels of races populating them.
Dominant: The dominant populations, the one that is visible everywhere. Yields the most political power.
Minority: Have a sizeable presence, but little to no power in the local politics.
Enclave: A sub part of the settlement mostly inhabited by a race.
Groups: Small communities.
Individuals: Can be found but there for their own reason, but can't be found in large numbers.
Singular: Only one person of this race in the settlement.