Smithville is a town in McCurtain County, Oklahoma, United States. Its population was 77 at the 2020 census, down from 113 in 2010. Smithville has the distinction of being the wettest spot in Oklahoma ranked by highest annual average precipitation, at .
Geography
Smithville is in northern McCurtain County, just east of U.S. Route 259 on State Highway 4. The town is in an area in the southeastern corner of Oklahoma known as Little Dixie. U.S. 259 leads south to Idabel, the McCurtain county seat, and north over the Kiamichi Mountains to Big Cedar. Cove, Arkansas, is to the east via Highway 4.
According to the U.S. Census Bureau, Smithville has a total area of , of which , or 0.82%, are water.
Demographics
2020 census
As of the 2020 census, Smithville had a population of 77. The median age was 42.5 years. 13.0% of residents were under the age of 18 and 23.4% of residents were 65 years of age or older. For every 100 females there were 63.8 males, and for every 100 females age 18 and over there were 67.5 males age 18 and over.
There were 40 households in Smithville, of which 30.0% had children under the age of 18 living in them. Of all households, 50.0% were married-couple households, 25.0% were households with a male householder and no spouse or partner present, and 25.0% were households with a female householder and no spouse or partner present. About 27.5% of all households were made up of individuals and 20.0% had someone living alone who was 65 years of age or older.
! Race !! Number !! Percent
|-
| White || 52 || 67.5%
|-
| Black or African American || 0 || 0.0%
|-
| American Indian and Alaska Native || 21 || 27.3%
|-
| Asian || 0 || 0.0%
|-
| Native Hawaiian and Other Pacific Islander || 0 || 0.0%
|-
| Some other race || 2 || 2.6%
|-
| Two or more races || 2 || 2.6%
|-
| Hispanic or Latino (of any race) || 3 || 3.9%
|}
2010 census
As of the census of 2010, 113 people, 53 households, and 28 families were residing in the town.