Marion County, Mississippi Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 39th-largest in Mississippi
The population of Marion County, Mississippi is 24,303 as of the 2023 American Community Survey, making it the 39th-largest county in Mississippi. The median household income is $42,320, the median home value is $117,000, and the median age is 40.7.
The population of Marion County has declined 11.0% since 2010 (26,987 → 24,008), a -0.83% annualized rate.
24,303
Population
-0.83%
Annual growth
45
People / sq mi
$42,320
Median Income
$117,000
Median Home Value
Marion County covers 542 sq mi of land at 44.8 people per square mile.
About Marion County, MS
Marion County is a county in Mississippi with a population of 24,303. It ranks #39 among counties in Mississippi by population. The median age is 40.7, older than the national median. The population is 47.9% male and 52.1% female.
The median household income in Marion County is $42,320, below the US median of $74,580. 15.6% of residents live below the federal poverty level. Home values sit at a median of $117,000, with monthly rent averaging $700. The homeownership rate of 78.2% is higher than the national rate of 64.8%.
Educational attainment in Marion County reflects 12.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.0% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 35.0 minutes each way.
Marion County Population History (2010-2024)
The county of Marion County had a population of 26,987 in 2010 and 24,008 in 2024, a -11.0% growth over 14 years. The peak was 26,987 in 2010. Average annual growth rate: -0.83%.
24,008
Population (2024)
26,987
Population (2010)
26,987
Peak (2010)
-0.83%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 26,987 |
| 2011 | 26,669 |
| 2012 | 26,333 |
| 2013 | 26,064 |
| 2014 | 25,685 |
| 2015 | 25,430 |
| 2016 | 25,120 |
| 2017 | 25,123 |
| 2018 | 24,736 |
| 2019 | 24,504 |
| 2020 | 24,376 |
| 2021 | 24,308 |
| 2022 | 24,142 |
| 2023 | 24,133 |
| 2024 | 24,008 |
Race & Ethnicity
| White | 63.9% |
| Black or African American | 32.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Age & Sex
40.7
Median Age
52.1%
Female
47.9%
Male
18.7%
Age 65+
Age Distribution
Children (under 15): 19.1% · Seniors (65+): 18.7%
Income & Poverty
| Median household income | $42,320$-12,595 vs state |
| Mean household income | $67,117 |
| Per-capita income | $26,281 |
| Poverty rate | 15.6%+1.3% vs state |
| Unemployment rate | 4.9% |
| Employment-to-population | 49.1% |
Top Industries by Employment
The largest employment sector in Marion County is professional & business services, accounting for 23.9% of workers.
How residents commute
0.0%
Drive alone
0.9%
Carpool
83.5%
Public transit
6.0%
Work from home
35.0 min
Avg commute
Housing
$117,000$-44,400 vs state
Median home value
$700
Median rent
78.2%
Homeownership rate
11,165
Total housing units
82.4%
Occupied
17.6%
Vacant
21.8%
Renter-occupied
Social & access
85.9%
With health insurance
91.3%
With broadband internet
19.9%
Foreign-born
6.4%
Veterans (18+)
21.5%
With a disability
97.7%
Speak language other than English at home
Education
82.5%
High School+
12.5%
Bachelor's+
Largest cities in Mississippi
Other counties in Mississippi
Part of Mississippi
Metro areas in Mississippi
County rankings
Frequently Asked Questions
Marion County, Mississippi has a population of 24,303 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 39th-largest county in Mississippi. Population density is 45 people per square mile.
The population of Marion County has declined 11.0% since 2010 (26,987 → 24,008), a -0.83% annualized rate.
The median household income in Marion County, Mississippi is $42,320, with mean (average) household income of $67,117 and per-capita income of $26,281. 15.6% of residents live below the federal poverty level.
In Marion County, the largest racial and ethnic groups are White (63.9%), Black or African American (32.1%), Hispanic or Latino (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marion County, Mississippi is 40.7 years. Residents are 52.1% female and 47.9% male.
The median home value in Marion County is $117,000 and median monthly rent is $700. 78.2% of occupied housing units are owner-occupied. The county has 11,165 total housing units, 17.6% of which are vacant.
The largest employment sector in Marion County, Mississippi is professional, scientific, and management services, employing 23.9% of workers. The unemployment rate is 4.9%.
Jackson is among the largest cities associated with Marion County, Mississippi, with a population of 149,827.
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Statewide data for Mississippi
Population, race, income, age, and trends across Mississippi
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.