As mentioned above there were 686 residents in 267 households and 197 families living in Hudson. Population density is 20.7 people per square mile. 98.10% of the population is Caucasian, 0.15% is Native-American. 0.44% Pacific Islander and other races are 0.73%. The average income was $40,972 with males average income pegged at $27,232 and female at $24,375. Per capita income for the township is $20,897.