Holstein is a city in Ida County, Iowa, United States.

[4] A large share of the early settlers being natives of Holstein, in Germany, caused the name to be selected.

[6] The city celebrated its Quasquicentennial in June 2007 with a week-long series of events.

There were 712 housing units at an average density of 451.5 per square mile (174.3/km2).

Hispanic or Latino persons of any race comprised 6.7% of the population.

There were 674 housing units at an average density of 452.3 per square mile (174.6/km2).

37.3% of all households were made up of individuals, and 16.6% had someone living alone who was 65 years of age or older.

There were 674 housing units at an average density of 465.8 per square mile (179.8/km2).

32.4% of all households were made up of individuals, and 19.1% had someone living alone who was 65 years of age or older.