As of the census of 2010, there were 2,838 people, 1,160 households, and 707 families living in the city. The population density was. There were 1,291 housing units at an average density of. The racial makeup of the city was 97.6% White, 0.3% African American, 0.3% Native American, 0.1% Asian, 0.5% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 2.1% of the population. There were 1,160 households of which 32.3% had children under the age of 18 living with them, 44.4% were married couplesliving together, 11.5% had a female householder with no husband present, 5.1% had a male householder with no wife present, and 39.1% were non-families. 34.1% of all households were made up of individuals and 15.7% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.99. The median age in the city was 39.7 years. 24.4% of residents were under the age of 18; 8.1% were between the ages of 18 and 24; 23.8% were from 25 to 44; 24.7% were from 45 to 64; and 19% were 65 years of age or older. The gender makeup of the city was 47.7% male and 52.3% female.
2000 census
As of the census of 2000, there were 2,992 people, 1,222 households, and 779 families living in the city. The population density was 982.9 people per square mile. There were 1,300 housing units at an average density of 427.1 per square mile. The racial makeup of the city was 99.03% White, 0.03% Native American, 0.07% Asian, 0.20% from other races, and 0.67% from two or more races. Hispanic or Latino of any race were 0.70% of the population. There were 1,222 households out of which 30.2% had children under the age of 18 living with them, 49.5% were married couples living together, 10.1% had a female householder with no husband present, and 36.2% were non-families. 31.7% of all households were made up of individuals and 16.9% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.96. Age spread: 23.6% under the age of 18, 9.2% from 18 to 24, 28.1% from 25 to 44, 19.6% from 45 to 64, and 19.5% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 89.1 males. For every 100 females age 18 and over, there were 85.4 males. The median income for a household in the city was $36,594, and the median income for a family was $47,250. Males had a median income of $28,109 versus $22,396 for females. The per capita income for the city was $18,031. About 3.1% of families and 5.6% of the population were below the poverty line, including 5.5% of those under age 18 and 5.3% of those age 65 or over.
Missouri Valley is located on both sides of U.S. Route 30 on the east side of Interstate 29 near exit 75. The city is also serviced by L20 a county road running north and south, and F66 a county road running east from its junction with U.S. 30.
Notable people
Margarita Fischer, stage actress who also performed in over 175 silent motion pictures
