Marengo County, AL Population

Overview

19,397

Total Population

41.7

Median age

51.91%

Female population %

92.6:100

Gender ratio (M:F)

55-59 years

Largest age group

62.5

Total dependency ratio

Black or African American

Largest racial group

534

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Marengo County's population is old compared to the rest of the country:

The median age in Marengo County is 41.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Marengo County's population under 18 was 22.69%, compared to the 22.51% nationwide.
Marengo County's elderly or the senior population (over 65 age) was 19.70% as compared to 16.04% nationwide.
Of the total population in Marengo County, 18.77% were under the age of 15, 17.82% aged 15 to 29, 43.71% aged 30 to 64, 17.33% aged 65 to 84, and 2.37% were 85 years of age and older.

There are 741 more females than males in Marengo County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.91% females and 48.09% males in Marengo County, AL.
The Marengo County, AL gender ratio is 92.6:100 i.e. 92.6 men to 100 women (0.926).
For male population, the largest age group is 0-4 years with a population of 770.
For the female population, the largest age group is 60-64 years with a population of 866.

Marengo County's population has become increasingly diverse:

Racial distribution of Marengo County population: 45.36% are White, 51.26% are Black or African American, 0.26% are American Indian and Alaska Native, 0.54% are Asian, 0.47% are some other race and 2.12% are multiracial.
Marengo County's racial breakdown clearly shows that there is an absolute majority of Black or African American population in the county.
By ethnicity, 534 is Hispanic or Latino (of any race), and 18,863 (97.25% of the total population) is Non-Hispanic.
The largest racial group in Marengo County is Black or African American with a population of 9,942 (51.26% of the total population).

Marengo County's population has already reached its peak and is showing a trend of decline:

The peak population was 22,524 in the year 2000
From 2000 to 2010, Marengo County's population decreased by 1,569 (6.97%), as compared to the national growth of 9.63%.
From 2010 to 2020, Marengo County's population decreased by 1,689 (8.06%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Marengo County's population was lowest in year 2022 at 18,745.