Hi,
The only Vogrinc listed on the 1920 Census is a Peter Vogrinc in Utah. Here is the information:
Carbon Co. Utah, Township Sunnyside Precint E.D. #40

Vogrinc, Peter head white male married age 45 born Yugoslavia, rents home works as a coalminer, imigrated 1905, naturilized 1910.
Frances wife age 39 born Yugoslavia imigrated 1905, naturlized 1910.
Mary daughter age 17 single born Yugoslavia
Peter son age 13 born Utah
Joe son age 12 born Utah
Johnie? son age 11 born Utah
Frances daughter age 10 Utah
Milly daughter age 8 Utah
Albert son age 3 Utah
Henry son age 1 and a half Utah