As of the census of 2010, there were 1,709 people, 773 households, and 471 families residing in the city. The population density was. There were 916 housing units at an average density of. The racial makeup of the city was 98.4% White, 0.2% African American, 0.1% Native American, 0.4% Asian, 0.1% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 0.4% of the population. There were 773 households of which 24.7% had children under the age of 18 living with them, 49.3% were married couples living together, 8.7% had a female householder with no husband present, 3.0% had a male householder with no wife present, and 39.1% were non-families. 36.2% of all households were made up of individuals and 20% had someone living alone who was 65 years of age or older. The average household size was 2.14 and the average family size was 2.77. The median age in the city was 47.6 years. 21.8% of residents were under the age of 18; 5.9% were between the ages of 18 and 24; 19.5% were from 25 to 44; 27.5% were from 45 to 64; and 25.4% were 65 years of age or older. The gender makeup of the city was 46.6% male and 53.4% female.
2000 census
As of the census of 2000, there were 2,264 people, 818 households, and 503 families residing in the city. The population density was 537.5 people per square mile. There were 951 housing units at an average density of 225.8 per square mile. The racial makeup of the city was 93.99% White, 3.09% African American, 0.53% Native American, 0.31% Asian, 0.04% Pacific Islander, 0.80% from other races, and 1.24% from two or more races. Hispanic or Latino of any race were 1.68% of the population. There were 818 households out of which 25.3% had children under the age of 18 living with them, 52.0% were married couples living together, 7.5% had a female householder with no husband present, and 38.5% were non-families. 36.2% of all households were made up of individuals and 23.6% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.79. 18.0% are under the age of 18, 6.4% from 18 to 24, 33.0% from 25 to 44, 21.0% from 45 to 64, and 21.6% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 125.0 males. For every 100 females age 18 and over, there were 132.9 males. The median income for a household in the city was $31,071, and the median income for a family was $42,625. Males had a median income of $28,519 versus $22,929 for females. The per capita income for the city was $17,671. About 6.1% of families and 9.5% of the population were below the poverty line, including 9.0% of those under age 18 and 7.7% of those age 65 or over.
Geography
Rockwell City is located at . According to the United States Census Bureau, the city has a total area of, all land.
Climate
Humid continental climate is a climatic region typified by large seasonal temperature differences, with warm to hot summers and cold winters. Precipitation is relatively well distributed year-round in many areas with this climate. The Köppen Climate Classification subtype for this climate is "Dfa".
In 1958, Rockwell City resident Barry Wichmann, noted for his IQ of 162 Wichmann's school lacked the resources to fully meet his needs, and his high intelligence led to frequent bouts of loneliness. He also suffered from dyscalculia, a learning disability similar to dyslexia. He eventually moved to Winchester, Virginia, where he finished high school and went on to obtain a PhD in clinical psychology from James Madison University.
Pop Culture
On the December 18, 2003 episode of Jeopardy!, the $500 answer in the category "U.S. City Nicknames" was "Rockwell City in this state calls itself the 'Golden buckle on the Corn Belt.' "
