William Kostoroski
2 people named William Kostoroski found in Oswego, NY and Rochester, NY.
William S Kostoroski, Age 76(Deceased)
See ResultsResided in Oswego, NY
Related ToS Kostoroski, Brenda Kostoroski
Includes Address(2) Phone(1) Email(1)
Demographic Info for William Kostoroski
Statistics based on US Census data for all 2 people with this name.
86 yrs
AVERAGE AGE
50% are in their 100s, while the average age is 86.
100%
CAUCASIAN
Our ethnicity data indicates the majority is Caucasian.