In Croatia, Arnoldt families are Croats (from Lepoglava area ).
Prevalence
Only a few people with faimily name Arnoldt live in Croatia today, in one household only. They are located in only one small Croatian place, in Mali Gorenec in Lepoglava area (<5).
Outside Croatia
Family name Arnoldt is present in 18 countries worldwide. The family name "Arnoldt " is used by some 500 people in Germany , about 200 in Argentina , and some 100 people in the United States. "Arnholdt " is used by some 300 people in Germany , about 200 in Brazil , and small number of people in the United States.