Demographics of Marion County, Mississippi

Marion County, Mississippi had 24,001 people on July 1, 2025, by the Census Bureau’s estimate: −369 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Marion County, in four figures

24,001
Population: July 1, 2025, Vintage 2025 estimate.; −1.5%
Change since July 2020: −369 people.; 40.8 ±0.8
Median age: ACS 2020–⁠2024.; $45,110 ±$4,367
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Marion County, Mississippi's population shrank 1.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Marion County, Mississippi's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Marion County, Mississippi's population shrank 1.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Marion County, Mississippi's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	24,370	100.0	100.0
2021	24,312	99.8	100.2
2022	24,150	99.1	100.7
2023	24,140	99.1	101.6
2024	24,086	98.8	102.5
2025	24,001	98.5	103.1

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Population of Marion County, Mississippi on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	24,370	−64	−56	0	−13
2021	24,312	−58	−188	+1	+113
2022	24,150	−162	−142	+1	−6
2023	24,140	−10	−142	+5	+134
2024	24,086	−54	−114	+18	+41
2025	24,001	−85	−123	−11	+48

Age, 2020–2024

The median age is 40.8 ±0.8: for men 40.2 ±1.0 and for women 41.7 ±1.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Marion County by age, ACS 2020–2024
Age	People	Share	Mississippi	United States
Under 5	1,386 ±209	5.7% ±0.9	6.0% ±<0.1	5.6% ±<0.1
5 to 17	4,280 ±450	17.7% ±1.9	17.4% ±0.1	16.3% ±<0.1
18 to 24	1,785 ±298	7.4% ±1.2	9.8% ±0.1	9.1% ±<0.1
25 to 44	6,054 ±484	25.0% ±2.0	25.1% ±0.2	26.9% ±<0.1
45 to 64	6,131 ±403	25.3% ±1.7	24.6% ±0.2	24.8% ±<0.1
65 and over	4,557 ±441	18.8% ±1.8	17.2% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $45,110 ±$4,367, and income per person $25,415 ±$2,295, in 2024 dollars. The median is $56,447 ±$539 in Mississippi and $80,734 ±$166 in the United States.

Households by income

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Households in Marion County by income, ACS 2020–2024
Household income	Households	Share	Mississippi	United States
Under $25,000	2,307 ±443	25.3% ±4.8	23.1% ±0.4	14.6% ±<0.1
$25,000 to $49,999	2,758 ±441	30.2% ±4.7	22.0% ±0.4	16.7% ±<0.1
$50,000 to $74,999	1,556 ±329	17.1% ±3.5	16.5% ±0.3	15.5% ±<0.1
$75,000 to $99,999	748 ±193	8.2% ±2.1	12.0% ±0.3	12.6% ±<0.1
$100,000 to $149,999	1,152 ±264	12.6% ±2.9	14.4% ±0.3	17.5% ±<0.1
$150,000 to $199,999	310 ±149	3.4% ±1.6	6.2% ±0.2	9.6% ±<0.1
$200,000 or more	116 to 466	1.3% to 5.1%	5.8% ±0.2	13.4% ±0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Marion County by age, ACS 2020–2024
Age	Below poverty	Rate	Mississippi	United States
All ages	4,598 ±810	19.7% ±3.5	18.9% ±0.3	12.5% ±0.1
Under 18	1,707 ±370	31.1% ±5.9	26.0% ±0.6	16.1% ±0.1
18 to 59	2,194 ±495	18.4% ±4.0	17.4% ±0.3	11.6% ±0.1
60 and over	697 ±221	11.7% ±3.6	15.2% ±0.4	11.0% ±<0.1

Housing, 2020–2024

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Housing in Marion County, ACS 2020–2024
Measure	Marion County	Mississippi	United States
Housing units	11,163 ±42	1,341,114 ±478	143,775,355 ±10,234
Occupied	81.7% ±3.1	85.4% ±0.3	89.9% ±0.1
Vacant	18.3% ±3.1	14.6% ±0.3	10.1% ±0.1
Owner occupied	77.2% ±3.2	70.0% ±0.4	65.2% ±0.3
Renter occupied	22.8% ±3.6	30.0% ±0.4	34.8% ±0.1
Median home value	$122,800 ±$18,030	$169,800 ±$1,198	$332,700 ±$236
Median gross rent	$818 ±$152	$954 ±$8	$1,413 ±$2
Median year built	1980 ±3	1986 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Marion County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Mississippi	United States
Hispanic or Latino	449 ±0	1.9% ±<0.1	3.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	15,341 ±233	63.4% ±1.0	55.2% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	7,559 ±175	31.2% ±0.7	36.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 156	0% to 0.6%	1.0% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	8 to 108	< 0.1% to 0.4%	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 36	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1 to 271	< 0.1% to 1.1%	0.3% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	561 ±244	2.3% ±1.0	3.0% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Marion County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Mississippi	United States
Born in the state	18,517 ±662	76.5% ±2.7	70.8% ±0.3	57.3% ±<0.1
Born in another state	5,328 ±696	22.0% ±2.9	26.1% ±0.2	26.9% ±<0.1
Born a citizen outside the states	0 to 22	0% to 0.1%	0.7% ±<0.1	1.7% ±<0.1
Born abroad	133 to 547	0.5% to 2.3%	2.4% ±0.1	14.1% ±<0.1
Naturalized citizens	86 to 364	0.4% to 1.5%	1.0% ±0.1	7.4% ±<0.1
Not citizens	0 to 251	0% to 1.0%	1.4% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Marion County among the counties of Mississippi

38th of 82 by population, July 2025. Every one is listed on the Mississippi page.

Counties of Mississippi near Marion County in population, July 2025
County	July 2025	Change since 2020
George County	26,331	+8.1%
Leflore County	25,686	−9.4%
Simpson County	25,498	−1.5%
Prentiss County	25,284	+1.3%
Itawamba County	24,152	+1.2%
Marion County	24,001	−1.5%
Yazoo County	22,947	−14.0%
Sunflower County	22,893	−10.9%
Leake County	21,662	+1.9%
Tippah County	21,389	−1.6%
Newton County	20,960	−1.4%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026