Overview
34,031
Total Population
41.5
Median age
50.14%
Female population %
99.4:100
Gender ratio (M:F)
55-59 years
Largest age group
54.4
Total dependency ratio
White
Largest racial group
1,381
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Marshall County's population is old compared to the rest of the country:
- The median age in Marshall County is 41.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Marshall County's population under 18 was 21.03%, compared to the 22.51% nationwide.
- Marshall County's elderly or the senior population (over 65 age) was 17.70% as compared to 16.04% nationwide.
- Of the total population in Marshall County, 17.51% were under the age of 15, 20.19% aged 15 to 29, 44.60% aged 30 to 64, 16.42% aged 65 to 84, and 1.28% were 85 years of age and older.

Read more about Marshall County, MS population by age ➔
Gender
There are 95 more females than males in Marshall County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.14% females and 49.86% males in Marshall County, MS.
- The Marshall County, MS gender ratio is 99.4:100 i.e. 99.4 men to 100 women (0.994).
- For male population, the largest age group is 25-29 years with a population of 1,427.
- For the female population, the largest age group is 60-64 years with a population of 1,363.

Read more about Marshall County, MS population by gender ➔
Race / Ethnicity
Marshall County's population has become increasingly diverse:
- Racial distribution of Marshall County population: 48.62% are White, 46.44% are Black or African American, 0.54% are American Indian and Alaska Native, 2.33% are some other race and 2.07% are multiracial.
- Marshall County's racial breakdown clearly shows that there is no majority of any race in the county.
- By ethnicity, 1,381 is Hispanic or Latino (of any race), and 32,65 (95.94% of the total population) is Non-Hispanic.
- The largest racial group in Marshall County is White with a population of 16,547 (48.62% of the total population).

Read more about Marshall County, MS population by race ➔
Year by year
Marshall County's population has already reached its peak and is showing a trend of decline:
- The peak population was 37,071 in the year 2010
- From 2000 to 2010, Marshall County's population increased by 2,093 (5.98%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Marshall County's population decreased by 3,293 (8.88%), 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, Marshall County's population was lowest in year 2020 at 33,778.

Read more about Marshall County, MS population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)