 jay township is a township in martin county, minnesota, united states. the population was 269 at the 2000 census. ==geography== according to the united states census bureau, the township has a total area of , of which  of it is land and 0.03% is water. ==demographics== as of the census of 2000, there were 269 people, 97 households, and 80 families residing in the township. the population density was 7.4 people per square mile (2.9/kmÂ²). there were 105 housing units at an average density of 2.9/sq&nbsp;mi (1.1/kmÂ²). the racial makeup of the township was 97.77% white, 0.37% asian, 0.74% from other races, and 1.12% from two or more races. [[hispanic (u
Townships_in_Martin_County,_Minnesota Townships_in_Minnesota