Krum is a city in Denton County, Texas, United States. The population was 4,157 at the 2010 census, more than doubling its 2000 census population of 1,984.
The Gulf, Colorado and Santa Fe Railway ran a line through western Denton County in 1884. In the fall of 1886, Mr. L.L. Finley sold 200 acres (0.81 km2) off the south end of his farm to the railroad for a town site. With this began the building of a business community in Krum. The company bought 200 acres (0.81 km2), platted a townsite, and named the community for one of its employees, A. R. Krum.The Post Office came in 1888 and was first housed in the Finley Store with Mr. Finley handling the mail.The community reported a population of seventy-five in 1892, and by 1900 it was thriving, with a number of businesses, four churches, and a school. Also in 1900 the railroad shipped at least half a million bushels of wheat, prompting the claim that Krum was the "largest inland grain market in the world."