Marion County, South Carolina Population 2024

28,545

Marion County, South Carolina's estimated 2024 population is 28,545 with a growth rate of 0.13% in the past year according to the most recent United States census data. Marion County, South Carolina is the 32nd largest county in South Carolina. The 2010 population was 32,951 and has seen a growth of -13.37% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202928,730370.13%
202828,693370.13%
202728,656370.13%
202628,619370.13%
202528,582370.13%
202428,545370.13%
202328,508370.13%
202228,471-381-1.32%
202128,852-234-0.8%
202029,086-1,479-4.84%
201930,565-424-1.37%
201830,989-299-0.96%
201731,288-484-1.52%
201631,77230.01%
201531,769-178-0.56%
201431,947-128-0.4%
201332,075-323-1%
201232,398-376-1.15%
201132,774-177-0.54%
201032,95100%
199033,899-280-0.82%
198034,1793,90912.91%
197030,270-1,744-5.45%
196032,014-1,096-3.31%
195033,1103,0039.97%
194030,1072,88610.6%
193027,2213,50014.75%
192023,7213,12515.17%
191020,596-14,585-41.46%
190035,1815,20517.36%
189029,976-4,131-12.11%
188034,10711,94753.91%
187022,1609704.58%
186021,1903,78321.73%
185017,4073,47524.94%
184013,9322,72424.3%
183011,2081,0079.87%
182010,2011,31714.82%
18108,8841,97028.49%
18006,914-21,816-75.93%
2024 Growth Rate
0.13% (37)
County Website
Marion County
2020 Population
29,086
Area
489 mi²
Density
58 people/mi²
Growth Since 2020
-1.86% (-541)
Founded
1800

Population by Race

Race
Population
Percentage (of total)
Black or African American16,45156.32%
White11,16438.22%
Other race9083.11%
Two or more races3911.34%
Native American2330.8%
Asian650.22%
Native Hawaiian or Pacific Islander00%

Black or African American

White

Other race

Two or more races

Native American

Asian

Native Hawaiian or Pacific Islander

Marion County, South Carolina Population by Race

Marion County, South Carolina Population Pyramid 2024

Marion County, South Carolina Median Age

41.6

Total

38.8

Male

43.9

Female

Marion County, South Carolina Adults

There are 22,627 adults, (5,943 of whom are seniors) in Marion County, South Carolina.

Marion County, South Carolina Age Dependency

75.1

Age Dependency Ratio

35.6

Old Age Dependency Ratio

39.5

Child Dependency Ratio

Marion County, South Carolina Sex Ratio

Female15,60953.43%
Male13,60346.57%

Marion County, South Carolina Population by Age

Marion County, South Carolina Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All11,2562.5859.940.1
Non Family4,5411.1853.746.3
Married3,4223.1289.310.7
Female2,8353.8335.664.4
Male4584.5651.348.7

3.4

Average Family Size

2.58

Average Household Size

59.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marion County, South Carolina Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2,21210.9%
Associates Degree1,5357.56%
Bachelors Degree1,7428.58%
Graduate Degree1,0435.14%
High School Graduate10,14950.01%
Less Than 9th Grade9294.58%
Some College2,68213.22%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Marion County, South Carolina Educational Attainment by Sex (over 25)

Marion County, South Carolina Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
Black10,7719,2991,268
White8,4477,0371,480
Hispanic54531511
Other Race50128611
2+ Races34032410
Native American14511716
Asian43430

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 17.52%.

Marion County, South Carolina Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$41,093$0$39,609
Graduate Degree$50,074$116,411$48,669
High School Graduate$31,766$35,572$27,075
Less Than 9th Grade$37,400$41,045$19,355
Overall$34,073$38,043$29,983
Some College$30,802$38,000$29,144

$34,073

Average Earnings

$38,043

Average Male

$29,983

Average Female

Marion County, South Carolina Earnings by Educational Attainment

Marion County, South Carolina Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Marion County, South Carolina Language

96.21% of Marion County, South Carolina residents speak only English, while 3.79% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.34% of the population.

Marion County, South Carolina Language

Marion County, South Carolina Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Black16,2805,32432.7%
White11,0141,79616.31%
Hispanic95651854.18%
Other90847452.2%
Native23319483.26%
Multiple3856917.92%
Asian652335.38%

27.39%

Overall Poverty Rate

25.02%

Male Poverty Rate

29.45%

Female Poverty Rate

Poverty in Marion County, South Carolina

The race most likely to be in poverty in Marion County, South Carolina is Native, with 83.26% below the poverty level.

The race least likely to be in poverty in Marion County, South Carolina is White, with 16.31% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.01%. Among those working part-time, it was 29.57%, and for those that did not work, the poverty rate was 36.88%.

Marion County, South Carolina Poverty

rate

Rate
Poverty
Less Than 9th Grade35.81%
High School23.57%
Some College18.96%
Bachelors or Greater8.21%

Marion County, South Carolina Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed44.59%
Male Unemployed29.96%
Female Employed15.08%
Male Employed6.11%

Marion County, South Carolina Poverty Rate by Employment Status and Sex

Marion County, South Carolina Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$46,243$63,013
Households$35,972$51,542
Married Families$67,033$-999,999,999
Non Families$21,649$32,492

mean

median

Income by Household Type

Marion County, South Carolina Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

31.0%

Overall Marriage Rate

34.4%

Male Marriage Rate

28.2%

Female Marriage Rate

Marion County, South Carolina Married by Age and Sex

male

female

Marion County, South Carolina Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Marion County, South Carolina Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Marion County, South Carolina Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,220

Number of Veterans

1,120

Male Veterans

100

Female Veterans

War
Veterans
Vietnam463
Second Gulf War229
First Gulf War183
Korea40
World War II23

Marion County, South Carolina Veterans by War

count

Age Group
Veterans
65 to 74408
55 to 64243
35 to 54222
75+206
18 to 34141

Marion County, South Carolina Veterans by Age

count

Name
Veterans
% of Total
Black8747.14%
White3303.58%
Native American126.19%
2+ Races41.11%

Marion County, South Carolina Veterans by Race

Marion County, South Carolina Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

30.54%

Veteran Poverty Rate

34.56%

Veteran Disability Rate

Marion County, South Carolina Veterans by Education

LaborForceParticipation

49.4%

Labor Force Participation

46%

Employment Rate

6.8%

Unemployment Rate

Marion County, South Carolina Employment by Age

LaborForceParticipation

Marion County, South Carolina Employment by Race

LaborForceParticipation

Marion County, South Carolina Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

81.32%

Born in Marion County, South Carolina

98.35%

Native Born

1.65%

Foreign Born

1.22%

Non Citizen

0.43%

Naturalized

Place of Birth

98.35% of Marion County, South Carolina residents were born in the United States, with 81.32% having been born in South Carolina. 1.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Marion County, South Carolina Place of Birth

Sources