The population of Starkweather City is a little over four thousand people, which is relatively low for the county of Dane. In 2010, the median age of its residents was 33.3 years, which was slightly below the state's median of 38.5 years. The population was mostly male, with 48.9% of the population being under the age of eighteen. The median household income was $53,772 and the per capita income was $26,605. There were 6.9% of families living below the poverty line, and there were 17.7% of the population aged 65 and older.
The historical tornado activity in the area is below the North Dakota state average, but it is significantly below the U.S. average. One category F4 tornado hit the area five years ago, causing damage estimated at between $5000 and $50,000. The city had three earthquakes in its history, but the worst was in 2009, which was a magnitude 3.4 earthquake. The city had a population of nearly 50 thousand by the year 2040.