The Kmart count by state as of Apr 15, 2018, based on what's still listed on the public website: https://www.thelayoff.com/t/SH1hHvQ
and per-capita Kmarts (state store totals vs state populations): https://www.thelayoff.com/t/SHu63QD
Kmarts by state as of Apr 6, 2018, based on what's still listed on the public website: https://www.thelayoff.com/t/SyDY8W0
Total remaining Kmarts as of May 25, 2018, based on website: https://www.thelayoff.com/t/TlgQoLF
I'm not seeing any similar recent lists for Sears. Here's something from last year:
Kmart and corporate Sears nationwide totals as of Apr 2017: https://247wallst.com/retail/2017/04/22/how-many-stores-does-sears-have-left/
Kmart and corporate Sears totals by state as of Mar 2017: https://247wallst.com/retail/2017/03/22/a-listing-by-state-of-1430-sears-and-kmart-stores/