At the peak of Conrad Kohrs production, about 50,000 cattle were run on the ranch at any given time. Steers were sold at market and cows replenished the herd with calves that next fall. Over time herds grew smaller as Conrad Kohrs Warren took over his grandfather's ranch. In 1972 the remaining ranch was preserved as a national historic site by Congress.
Currently the Grant-Kohrs Ranch has a total of ninety-three cattle on the 1,500 acre ranch. Many of the animals are no longer purebred as they have been crossed with other breeds. The three breeds found on the ranch today include Herefords, Longhorns and Shorthorns. In the spring of 2013 fifty-nine cows, seven yearling heifers, ten yearling steers, ten steers that are two-years old, five mature steers over the age of six and two bulls could be found at Grant-Kohrs Ranch.