Marengo County, Alabama Demographics 2026

Population Overview

Marengo County is located in Alabama with a total population of 19,027. It is the 47th most populous county out of 67 in Alabama.

Age Demographics

The median age in Marengo County is 41.1 years. This is 5% higher than the state median of 39.3 years.

Economy, Income & Housing

The median household income in Marengo County is $44,205. This is 29% lower than the state median of $62,027. Compared to the national median of $78,538, household income here is 44% lower. The poverty rate stands at 22.6%. This is 44% higher than the state poverty rate of 15.6%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 2.4%. This is 50% lower than the state rate of 4.8%. The median home value is $103,400. Housing costs are 47% lower than the state median of $195,100. With a home-value-to-income ratio of just 2.3x, Marengo County is one of the most affordable housing markets in the area. 69.0% of occupied housing units are owner-occupied. This homeownership rate is 1% lower than the state average of 69.9%.

Race & Ethnicity

The largest racial or ethnic group in Marengo County is Black or African American, making up 51.3% of the population. White (non-Hispanic) residents account for 44.5%. The Black or African American population is significantly higher than the state average (51.3% vs 25.9%). The Hispanic or Latino population (2.4%) is well below the state average of 5.4%. The Asian population (0.3%) is well below the state average of 1.4%.

Education

20.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 26% lower than the state rate of 27.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.6%.