Newman Grove is a city in Madison and Platte Counties in the U.S. state of Nebraska. The population was 721 at the 2010 census.The Madison County portion of Newman Grove is part of the Norfolk, Nebraska Micropolitan Statistical Area.HistoryNewman Grove was platted in 1887 when the Fremont, Elkhorn and Missouri Valley Railroad was extended to that point. It was named for a grove of trees nearby planted by Newman Warren.GeographyNewman Grove is located at .According to the United States Census Bureau, the city has a total area of 0.55sqmi, all of it land.Demographics2010 censusAs of the census of 2010, there were 721 people, 320 households, and 183 families residing in the city. The population density was 1310.9PD/sqmi. There were 382 housing units at an average density of 694.5/sqmi. The racial makeup of the city was 91.1% White, 0.3% Native American, 0.7% Asian, 7.1% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 10.1% of the population.