Looks like he and his wife lived in the home of their Son Seth in 1860 and then with their Daughter Imogene in 1870 in Wisconsin.
I have not yet found their death statistics.
* "United States Census, 1850," database with images, FamilySearch (
https://familysearch.org/ark:/61903/1:1:M6VS-KM7 : accessed 13 March 2016), John S Rich, Oxford, Oxford, Maine, United States; citing family 32, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
* "United States Census, 1860", database with images, FamilySearch (
https://familysearch.org/ark:/61903/1:1:MW9J-3RL : accessed 13 March 2016), John S Rich in entry for Seth Rich, 1860.
* "United States Census, 1870," database with images, FamilySearch (
https://familysearch.org/ark:/61903/1:1:MN9Z-WNQ : accessed 13 March 2016), John Rich in household of Edward Dougherty, Wisconsin, United States; citing p. 5, family 37, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 553,210.