Oak Grove is a CDP located in Washington County, Tennessee. Oak Grove has a 2025 population of 4,421 . Oak Grove is currently declining at a rate of -0.02% annually but its population has increased by 1.56% since the most recent census, which recorded a population of 4,353 in 2020.
The average household income in Oak Grove is $103,877 with a poverty rate of 9.59%. The median age in Oak Grove is 49.9 years: 43.7 years for males, and 53.7 years for females. For every 100 females there are 84.1 males.
Data after 2023 is projected based on recent change
The racial composition of Oak Grove includes 91.88% White, 3.68% Black or African American, and smaller percentages for Two or more races, other race, Native American and multiracial populations.
White (91.88%)
Black or African American (3.68%)
Two or more races (2.1%)
Other race (1.45%)
Native American (0.89%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,119 | 91.88% |
| Black or African American | 165 | 3.68% |
| Two or more races | 94 | 2.1% |
| Other race | 65 | 1.45% |
| Native American | 40 | 0.89% |
Married
Widowed
Divorced
Separated
Never Married
Oak Grove's average per capita income is $39,138. Household income levels show a median of $63,625. The poverty rate stands at 9.59%.
Name | Median | Mean |
|---|---|---|
| Married Families | $89,375 | - |
| Families | $78,646 | $132,186 |
| Households | $63,625 | $103,877 |
| Non Families | $29,004 | $57,397 |
Average Income
Median Household Income
Poverty Rate