In 2019, McNairy County, TN had a population of 25.8k people with a median age of 43.5 and a median household income of $39,161. Between 2018 and 2019 the population of McNairy County, TN declined from 25,903 to 25,844, a −0.228% decrease and its median household income grew from $36,055 to $39,161, a 8.61% increase.
The 5 largest ethnic groups in McNairy County, TN are White (Non-Hispanic) (89.8%), Black or African American (Non-Hispanic) (5.52%), Two+ (Non-Hispanic) (2.11%), White (Hispanic) (1.66%), and Other (Hispanic) (0.356%). 0% of the households in McNairy County, TN speak a non-English language at home as their primary language, and 99.6% of the residents in McNairy County, TN are U.S. citizens.
In 2019, the median property value in McNairy County, TN was $98,100, and the homeownership rate was 72.7%. Most people in McNairy County, TN drove alone to work, and the average commute time was 25.5 minutes. The average car ownership in McNairy County, TN was 2 cars per household.