Sanger is a city in Denton County, Texas, United States. It has a population of just below 7.000 in the 2010 census. It was founded in 1886 to serve as railroad stop to Santa Fe. The cattle industry was the main reason the town came to be since the ranchers needed a stop when they’ve were moving their cattle to Santa Fe. It was named for the local family that owed a store in the city and traded cattle in Santa Fe. Lake Ray Roberts is close by and it’s one of the most popular recreation spots for the locals. Median income is $43.000 for a family.