In Croatia, Heinrich families are Croats (from Vukovar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Koprivnica.
Prevalence
About 20 people with faimily name Heinrich live in Croatia today, in 12 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 7 Croatian counties, in 6 cities and two other places, mostly in Zagreb (15), Karlovac (<10), Koprivnica (<5), Split (<5), and in Krizevci (<5).
Outside Croatia
Family name Heinrich is present in 87 countries worldwide. The family name "Heinrich " is used by some 50000 people in Germany , about 10000 in the United States , and some 3000 people in France. "Heinerich " is used by some 60 people in Brazil , about 50 in France , and small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.