Our national estimate is 698,000 Civil War deaths. This is substantially higher than the conventional historical estimate of 618,000 but lower than the most recent estimate of around 750,000 deaths based on a 1% census sample.
New estimates of US Civil War mortality from full-census records
Joan Barceló, Jeffrey L. Jensen, Leonid Peisakhin, and Haoyu Zhai
Edited by Margaret Levi, Stanford University, Stanford, CA; received July 25, 2024; accepted September 25, 2024
Just for reference. It was more than I thought.
https://www.pnas.org/doi/10.1073/pnas.2414919121
New estimates of US Civil War mortality from full-census records
Joan Barceló, Jeffrey L. Jensen, Leonid Peisakhin, and Haoyu Zhai
Edited by Margaret Levi, Stanford University, Stanford, CA; received July 25, 2024; accepted September 25, 2024
Oops, shit. I was off by about an order of magnitude on the death toll. Still, though.