Demographics of Marion city, South Carolina

Marion city, South Carolina had 6,028 people on July 1, 2025, by the Census Bureau’s estimate: −342 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Marion city, in four figures

6,028
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 6,206 ±20.; −5.4%
Change since July 2020: −342 people.; 43.9 ±9.9
Median age: ACS 2020–⁠2024.; $30,662 ±$4,782
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Marion city, South Carolina's population shrank 5.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Marion city, South Carolina'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).

Source: The Census Bureau

About this chart

The figures

Marion city, South Carolina's population shrank 5.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Marion city, South Carolina'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	6,370	100.0	100.0
2021	6,292	98.8	100.2
2022	6,179	97.0	100.7
2023	6,161	96.7	101.6
2024	6,120	96.1	102.5
2025	6,028	94.6	103.1

Population of Marion city, South Carolina on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	6,370	—
2021	6,292	−78
2022	6,179	−113
2023	6,161	−18
2024	6,120	−41
2025	6,028	−92

Age, 2020–2024

The median age is 43.9 ±9.9: for men 35.8 ±7.0 and for women 49.4 ±5.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Marion city by age, ACS 2020–2024
Age	People	Share	South Carolina	United States
Under 5	344 ±148	5.5% ±2.4	5.5% ±<0.1	5.6% ±<0.1
5 to 17	1,082 ±273	17.4% ±4.4	16.0% ±0.1	16.3% ±<0.1
18 to 24	36 to 268	0.6% to 4.3%	9.1% ±0.1	9.1% ±<0.1
25 to 44	1,579 ±415	25.4% ±6.7	25.3% ±0.1	26.9% ±<0.1
45 to 64	1,494 ±375	24.1% ±6.0	25.2% ±0.1	24.8% ±<0.1
65 and over	1,555 ±348	25.1% ±5.6	18.9% ±0.1	17.2% ±<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%.

Income and poverty, 2020–2024

Median household income is $30,662 ±$4,782, and income per person $21,210 ±$3,882, in 2024 dollars. The median is $69,324 ±$570 in South Carolina and $80,734 ±$166 in the United States.

Households by income

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Households in Marion city by income, ACS 2020–2024
Household income	Households	Share	South Carolina	United States
Under $25,000	1,038 ±332	41.2% ±11.9	17.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	658 ±280	26.1% ±10.5	19.6% ±0.3	16.7% ±<0.1
$50,000 to $74,999	413 ±167	16.4% ±6.3	17.0% ±0.3	15.5% ±<0.1
$75,000 to $99,999	37 to 269	1.5% to 10.6%	13.1% ±0.2	12.6% ±<0.1
$100,000 to $149,999	42 to 214	1.7% to 8.4%	16.4% ±0.2	17.5% ±<0.1
$150,000 to $199,999	0 to 17	0% to 0.7%	8.0% ±0.2	9.6% ±<0.1
$200,000 or more	38 to 208	1.6% to 8.2%	8.9% ±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 city by age, ACS 2020–2024
Age	Below poverty	Rate	South Carolina	United States
All ages	1,637 ±600	26.8% ±9.8	14.1% ±0.2	12.5% ±0.1
Under 18	528 ±218	39.6% ±12.1	19.4% ±0.4	16.1% ±0.1
18 to 59	609 ±287	22.9% ±9.9	13.1% ±0.2	11.6% ±0.1
60 and over	500 ±238	23.7% ±10.2	11.6% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Marion city, ACS 2020–2024
Measure	Marion city	South Carolina	United States
Housing units	2,952 ±354	2,443,039 ±311	143,775,355 ±10,234
Occupied	85.4% ±5.1	86.7% ±0.2	89.9% ±0.1
Vacant	14.6% ±6.5	13.3% ±0.2	10.1% ±0.1
Owner occupied	47.8% ±8.8	71.9% ±0.3	65.2% ±0.3
Renter occupied	52.2% ±9.1	28.1% ±0.3	34.8% ±0.1
Median home value	$137,300 ±$34,021	$259,000 ±$1,421	$332,700 ±$236
Median gross rent	$651 ±$74	$1,180 ±$9	$1,413 ±$2
Median year built	1963 ±6	1992 ±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 city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	South Carolina	United States
Hispanic or Latino	0 to 79	0% to 1.3%	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	1,873 ±380	30.2% ±6.1	61.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	4,137 ±404	66.7% ±6.5	24.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 20	0% to 0.3%	1.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 151	0% to 2.4%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 20	0% to 0.3%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 81	0% to 1.3%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	6 to 182	0.1% to 2.9%	3.7% ±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 city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	South Carolina	United States
Born in the state	4,847 ±316	78.1% ±5.1	52.6% ±0.2	57.3% ±<0.1
Born in another state	1,342 ±315	21.6% ±5.1	40.4% ±0.2	26.9% ±<0.1
Born a citizen outside the states	0 to 20	0% to 0.3%	1.2% ±0.1	1.7% ±<0.1
Born abroad	0 to 44	0% to 0.7%	5.8% ±0.1	14.1% ±<0.1
Naturalized citizens	0 to 44	0% to 0.7%	2.6% ±0.1	7.4% ±<0.1
Not citizens	0 to 20	0% to 0.3%	3.2% ±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 city among the places of South Carolina

92nd of 102 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the South Carolina page.

Places of South Carolina near Marion city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Burton CDP	6,912 ±1,381
Homeland Park CDP	6,632 ±1,139
Lyman town	6,547 ±23
Welcome CDP	6,527 ±1,437
Dillon city	6,354 ±23
Marion city	6,206 ±20
Darlington city	6,120 ±38
Lake City city	5,988 ±20
Laurel Bay CDP	5,882 ±1,156
Blythewood town	5,731 ±71
Walterboro city	5,480 ±17

Rankings this appears in

No. 2 Places in South Carolina by poverty rate
No. 8 Places in South Carolina by median age
No. 16 Places by poverty rate
No. 59 Places in South Carolina by homeownership rate
No. 72 Places in South Carolina by per capita income
No. 76 Places in South Carolina by median home value

Sources

Census Bureau population estimates — incorporated places and New England towns — 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

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026