Dyersburg is a city located in northwest Tennessee, United States. It serves as the county seat of Dyer County and is situated along the Forked Deer River.
The city is positioned approximately 79 miles (127 km) northeast of Memphis. According to the 2020 census, Dyersburg had a population of 16,164, which represented a 5.72% decrease from the figures recorded in the 2010 census.