On June 5, 2006 the National Trust for Historic Preservation named Parsons a 2006 Great American Main Street Award winner for its successful efforts in revitalizing its downtown area through historic preservation. The award was presented during the 2006 National Main Streets Conference in New Orleans. Parsons was one of only five cities receiving the 2006 award.
Parsons's population was estimated to be 11,237 in the year 2006, a decrease of 247, or -2.2%, over the previous six years.
As of the U.S. Census in 2000, there were 11,514 people, 4,738 households, and 2,909 families residing in the city. The population density was 1,111.2 people per square mile (429.1/km²). There were 5,359 housing units at an average density of 517.2/sq mi (199.7/km²). The racial makeup of the city was 85.54% White, 8.17% Black or African American, 1.12% Native American, 0.42% Asian, 0.01% Pacific Islander, 1.90% from other races, and 2.84% from two or more races. Hispanic or Latino of any race were 4.64% of the population.
There were 4,738 households out of which 30.8% had children under the age of 18 living with them, 43.3% were married couples living together, 13.2% had a female householder with no husband present, and 38.6% were non-families. 33.8% of all households were made up of individuals and 14.8% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.96.
In the city the population was spread out with 26.2% under the age of 18, 9.6% from 18 to 24, 26.2% from 25 to 44, 20.4% from 45 to 64, and 17.6% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 91.5 males. For every 100 females age 18 and over, there were 87.1 males.
The median income for a household in the city was $28,345, and the median income for a family was $36,557. Males had a median income of $28,667 versus $21,558 for females. The per capita income for the city was $15,763. About 9.9% of families and 14.6% of the population were below the poverty line, including 16.3% of those under age 18 and 11.5% of those age 65 or over.