 mantrap township is a township in hubbard county, minnesota, united states. the population was 454 at the 2000 census. ==geography== according to the united states census bureau, the township has a total area of 35.8&nbsp;square miles (92.8&nbsp;kmÂ²), of which 30.8&nbsp;square miles (79.8&nbsp;kmÂ²) of it is land and 5.0&nbsp;square miles (12.9&nbsp;kmÂ²) of it (13.93%) is water. ==demographics== as of the census of 2000, there were 454 people, 196 households, and 148 families residing in the township. the population density was 14.7 people per square mile (5.7/kmÂ²). there were 451 housing units at an average density of 14.6/sq&nbsp;mi (5.6/kmÂ²). the racial makeup of the township was 97.80% [[white (u.s
Townships_in_Hubbard_County,_Minnesota Townships_in_Minnesota