Gilma Koster in Washington
Gilma Koster found in Spokane.
Demographic Info for Gilma Koster
Statistics based on US Census data for all 1 person with this name.
119 yrs
AVERAGE AGE
100% are in their 110s, while the average age is 119.
100%
CAUCASIAN
Our ethnicity data indicates the majority is Caucasian.