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COUNTY · 2020 ACS

Marion County

South Carolina · 29,183 residents · 489.372 sq mi
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The short version

Marion County has notably lower household income than the US average, with a median household income of $30,791. Population has fallen 18% since 2000, a loss of 6,283 residents. 13% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value is $81,800. With a median age of 44.4, the population is older than the US median of 38.8. Households here earn about 44% less than the South Carolina median.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 44.4
US median: 38.8
Less educated
13% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
29,183
−18%since 2000
from 35,466 in 2000
1990 – 2025
Population density
60 / sq mi
−18%since 2000
from 72 / sq mi in 2000
US average: 280
Median age
44.4
+26%since 2000
from 35.1 in 2000
US average: 38.8
Population, 1990 – 2024
28K30K32K34K36K1990201020202024Marion County
202429K
1990201020202024
Section 02

Income & economy

Median household income
$30,791
−23%inflation adjusted, since 2000
from $26,526 in 2000
US average: $66,278
1990 – 2024
Per capita income
$18,785
+35%since 2000
from $13,878 in 2000
US average: $35,364
Households earning $100K+
18.5%
+4.5 ptssince 2009
from 14.0% in 2009
US average: 43.9%
Poverty rate
22.9%
−0.3 ptssince 2000
from 23.2% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade18.4%
US avg: 10%
Information11.8%
US avg: 11.1%
Finance & insurance7.9%
US avg: 5.5%
Wholesale trade6.9%
US avg: 6.7%
Professional, scientific, technical6.7%
US avg: 4.7%
Other services3.9%
US avg: 6.6%
Agriculture, forestry, fishing3.2%
US avg: 1.7%
Construction3.2%
US avg: 1.2%
Public administration2.1%
US avg: 4.7%
Transportation & warehousing2.1%
US avg: 2.5%
Education & health services1.2%
US avg: 0.8%
Arts, entertainment, food0.8%
US avg: 2%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$81,800
−2%inflation adjusted, since 2000
from $55,600 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$587
+1%inflation adjusted, since 2000
from $386 in 2000
US average: $1,124
Owner-occupied
68.9%
−4.6 ptssince 2000
from 73.5% in 2000
31.1% rent
Afford Score
2.7
+27%since 2000
from 2.1 in 2000
1990 – 2024
RELATED:See current rent listings in Marion County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic41.1%(14,589)
Black56%(19,860)
Hispanic / Latino1.8%(634)
Asian0.3%(98)
Other0%
Diversity Score63.6%(22,567)
Segregation Score0%
2020
White, non-Hispanic38%(11,080)
Black56%(16,333)
Hispanic / Latino2.4%(710)
Asian0.4%(128)
Other1.4%(400)
Diversity Score65.6%(19,138)
Segregation Score16.1%(4,695)
Diversity Score
66
+3%since 2000
from 64 in 2000
1990 – 2024
Segregation Score
16
Section 05

Education

Bachelor's degree or higher
13.0%
+2.8 ptssince 2000
from 10.2% in 2000
US average: 32.9%
High school or higher
79.2%
+11.2 ptssince 2000
from 68.0% in 2000
US average: 88.5%
Graduate degree
5.2%
+2.0 ptssince 2000
from 3.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
31.1 min
+77%since 2000
from 17.6 min in 2000
US average: 26.9
Drive alone to work
85.3%
+11.1 ptssince 2009
from 74.2% in 2009
US average: 75.1%
No vehicle available
13.1%
+0.1 ptssince 2009
from 13.0% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
8.4%
−4.6 ptssince 2011
from 13.0% in 2011
US average: 5.4%
Labor force participation
49.7%
−6.7 ptssince 2011
from 56.4% in 2011
US average: 63.4%
Management & professional
24.4%
−32.2 ptssince 2009
from 56.6% in 2009
US average: 39.3%
Section 08

People & community

Male
46.0%
−0.6 ptssince 2009
from 46.7% in 2009
Female
54.0%
+0.6 ptssince 2009
from 53.3% in 2009
Foreign born
1.9%
−0.6 ptssince 2009
from 2.5% in 2009
US average: 13.5%
Uninsured
13.8%
−67.0 ptssince 2013
from 80.8% in 2013
US average: 8.8%
Drill deeper

Places similar to Marion County

Dallas County
Pop 35,140
Sumter County
Pop 28,801
St. Francis County
Pop 21,800
Johnson County
Pop 26,225
Places similar to Marion County
Head to head

Compare Marion County to nearby counties

MARION COUNTY VS
Florence County
Income$58,305+89%
Home value$177,900+117%
Population138,504+390%
SEE FULL COMPARISON →
MARION COUNTY VS
Dillon County
Income$46,605+51%
Home value$85,400+4%
Population27,458−3%
SEE FULL COMPARISON →
MARION COUNTY VS
Horry County
Income$66,880+117%
Home value$287,700+252%
Population427,551+1414%
SEE FULL COMPARISON →
MARION COUNTY VS
Williamsburg County
Income$46,213+50%
Home value$104,500+28%
Population29,662+5%
SEE FULL COMPARISON →
Frequently asked

How many people live in Marion County, South Carolina?

Marion County, South Carolina has about 29,183 residents according to the 2020 American Community Survey.

What is the median household income in Marion County, South Carolina?

The typical household in Marion County, South Carolina earns about $30,791 a year. Half of households make more than that, and half make less.

Is Marion County, South Carolina expensive?

In Marion County, South Carolina, the median home is worth about $81,800, and the typical rent is about $587 a month.

How educated are people in Marion County, South Carolina?

About 13.0% of adults age 25 and over in Marion County, South Carolina hold a bachelor's degree or higher.

What is the poverty rate in Marion County, South Carolina?

About 22.9% of people in Marion County, South Carolina live below the federal poverty line.

Has Marion County, South Carolina grown since 1990?

Yes, Marion County, South Carolina has shrunk since 1990. The population has lost about 4,716 residents, a change of about -14 percent over that period.

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Explore from here

8 census tracts
Census Tract 9502Census Tract 9506Census Tract 9501Census Tract 9505Census Tract 9504Census Tract 9508Census Tract 9503Census Tract 9507
6 ZIP codes
ZIP 29571ZIP 29574ZIP 29546ZIP 29592ZIP 29519ZIP 29589
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →