2020 census
As of the 2020 census, Dyersburg had a population of 16,164, 6,599 households, and 4,500 families residing in the city.
The median age was 38.2 years. 24.8% of residents were under the age of 18 and 18.1% of residents were 65 years of age or older. For every 100 females there were 88.3 males, and for every 100 females age 18 and over there were 82.2 males age 18 and over.
There were 6,599 households in Dyersburg, of which 32.4% had children under the age of 18 living in them. Of all households, 33.9% were married-couple households, 19.4% were households with a male householder and no spouse or partner present, and 38.3% were households with a female householder and no spouse or partner present. About 32.3% of all households were made up of individuals and 13.9% had someone living alone who was 65 years of age or older.
! Race !! Number !! Percent
|-
| White || 10,284 || 63.6%
|-
| Black or African American || 4,355 || 26.9%
|-
| American Indian and Alaska Native || 23 || 0.1%
|-
| Asian || 171 || 1.1%
|-
| Native Hawaiian and Other Pacific Islander || 7 || 0.0%
|-
| Some other race || 416 || 2.6%
|-
| Two or more races || 908 || 5.6%
|-
| Hispanic or Latino (of any race) || 725 || 4.5%
|}
2000 census
Dyersburg's population was estimated at 17,002 in 2013. As of the census
On March 14, 2026 the Dyersburg High School Girls Basketball Team (The Lady Trojans) won their second Class 3A State Title with a 54-45 win over White County.
Parks and recreation
Dyersburg has several public parks, recreational centers, and swimming pools. The zoned high school of the county school district is Dyer County High School in Newbern.
Media
Newspaper
The Dyersburg State Gazette is a semi-weekly broadsheet newspaper published in Dyersburg.
- George "Two Ton" Harris (1927-2002) (wrestler), known as "Baby Blimp", professional wrestler, National Wrestling Alliance