We found 5 record matches to Blanche Koch in Pennsylvania. Find more details about the Blanche you are trying to find by researching their likely addresses, contact numbers, email addresses and linked family members. Wondering where the majority of the addresses are located? Nazareth has the greatest residency, with Williamsport next highest. For individuals with the Blanche Koch name, the average is about 95 years of age, with roughly 100% categorized in the 81+ age group. See more...