As a result about a fourth (25.7%) of the township speak an other than English or Spanish Indo-European language, most likely the Hutterite German.

Spring Prairie Township was named from its numerous streams.

[4] As of the census[1] of 2000, there were 364 people, 111 households, and 90 families residing in the township.

The racial makeup of the township was 99.18% White, 0.27% Asian, 0.55% from other races.

15.3% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older.