Marengo County's estimated 2026 population is 18,126 with a growth rate of -1.05% in the past year according to the most recent United States census data. Marengo County is the 48th largest county in Alabama. The 2010 population was 20,955 and has seen a growth of -13.5% since that time.
Data after 2023 is projected based on recent change
The racial composition of Marengo County includes 51.34% Black or African American, 45.05% White, and smaller percentages for Two or more races, other race, Native American, Asian and multiracial populations.
Black or African American (51.34%)
White (45.05%)
Two or more races (2.16%)
Other race (0.73%)
Native American (0.39%)
Asian (0.34%)
Race | Population | Percentage (of total) |
|---|---|---|
| Black or African American | 9,768 | 51.34% |
| White | 8,571 | 45.05% |
| Two or more races | 411 | 2.16% |
| Other race | 139 | 0.73% |
| Native American | 74 | 0.39% |
| Asian | 64 | 0.34% |
Married
Widowed
Divorced
Separated
Never Married
Marengo County's average per capita income is $41,528. Household income levels show a median of $44,205. The poverty rate stands at 22.57%.
Name | Median | Mean |
|---|---|---|
| Married Families | $87,564 | - |
| Families | $72,769 | $91,592 |
| Households | $44,205 | $67,077 |
| Non Families | $18,087 | $28,368 |
Average Income
Median Household Income
Poverty Rate
