There were 2,381 households out of which 28.9% had children under the age of 18 living with them, 44.9% were married couples living together, 12.9% had a female householder with no husband present, and 38.9% were non-families. 35.7% of all households were made up of individuals and 19.2% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.97.
In the city the population was spread out with 21.7% under the age of 18, 8.0% from 18 to 24, 30.0% from 25 to 44, 22.4% from 45 to 64, and 17.9% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 105.1 males. For every 100 females age 18 and over, there were 103.5 males.
The median income for a household in the city was $27,511, and the median income for a family was $33,461. Males had a median income of $26,263 versus $18,182 for females. The per capita income for the city was $13,980. About 14.3% of families and 17.2% of the population were below the poverty line, including 21.0% of those under age 18 and 11.7% of those age 65 or over.
Vinita was established in 1871. In 1889, gunman and lawman Tom Threepersons was born there. It was the first city in the state with electricity. The city was first named Downingville, and was a primarily African American community. It was later renamed Vinita after Vinnie Ream. Award winning radio personality Samantha Adams grew up in Vinita. A McDonald's restaurant built over the top of Interstate 44 claims to be the world's largest McDonald's restaurant in terms of area, occupying 29,135 ft².