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 American16,12355.79%
White11,11738.47%
Two or more races8262.86%
Other race6612.29%
Native American980.34%
Asian450.16%
Native Hawaiian or Pacific Islander300.1%

Black or African American

White

Two or more races

Other race

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

43

Total

39.8

Male

44.6

Female

Marion County, South Carolina Adults

There are 22,406 adults, (6,104 of whom are seniors) in Marion County, South Carolina.

Marion County, South Carolina Age Dependency

77.3

Age Dependency Ratio

37.4

Old Age Dependency Ratio

39.8

Child Dependency Ratio

Marion County, South Carolina Sex Ratio

Female15,46653.52%
Male13,43446.48%

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
All11,7882.4362.237.8
Non Family5,1931.1655.444.6
Married3,1472.9690.29.8
Female2,9313.844.155.9
Male5174.3161.738.3

3.32

Average Family Size

2.43

Average Household Size

62.2%

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 Grade2,46712.22%
Associates Degree1,4777.32%
Bachelors Degree1,7028.43%
Graduate Degree1,0795.35%
High School Graduate9,86448.87%
Less Than 9th Grade7633.78%
Some College2,83314.04%

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
Black10,6139,0771,263
White8,3706,9921,421
2+ Races71458397
Hispanic4382150
Other Race3491640
Native American59590
Islander30300
Asian28280

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

The highest rate of bachelors degrees is among white people with a rate of 16.98%.

Marion County, South Carolina Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$41,442$46,282$40,313
Graduate Degree$48,026$120,833$47,184
High School Graduate$31,649$33,403$26,796
Less Than 9th Grade$35,094$38,750$33,654
Overall$33,440$37,091$30,448
Some College$32,111$37,420$28,862

$33,440

Average Earnings

$37,091

Average Male

$30,448

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

96.76% of Marion County, South Carolina residents speak only English, while 3.24% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.78% of the population.

Marion County, South Carolina Language

Marion County, South Carolina Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Black15,9605,37833.7%
White10,9411,83116.74%
Hispanic75343958.3%
Other66138357.94%
Multiple82112515.23%
Islander3030100%
Native982525.51%
Asian451328.89%

27.32%

Overall Poverty Rate

24.25%

Male Poverty Rate

29.97%

Female Poverty Rate

Poverty in Marion County, South Carolina

The race most likely to be in poverty in Marion County, South Carolina is Islander, with 100% below the poverty level.

The race least likely to be in poverty in Marion County, South Carolina is Multiple, with 15.23% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.01%. Among those working part-time, it was 26.67%, and for those that did not work, the poverty rate was 36.32%.

Marion County, South Carolina Poverty

rate

Rate
Poverty
Less Than 9th Grade36.92%
High School24.63%
Some College17.22%
Bachelors or Greater7.74%

Marion County, South Carolina Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed58.48%
Male Unemployed44.99%
Female Employed16.25%
Male Employed6.38%

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$47,288$62,929
Households$34,501$51,626
Married Families$67,607$-999,999,999
Non Families$21,567$34,732

mean

median

Income by Household Type

Marion County, South Carolina Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

28.9%

Overall Marriage Rate

31.7%

Male Marriage Rate

26.4%

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 45-54, 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

1,323

Number of Veterans

1,257

Male Veterans

66

Female Veterans

War
Veterans
Vietnam492
First Gulf War257
Second Gulf War226
Korea29
World War II0

Marion County, South Carolina Veterans by War

count

Age Group
Veterans
65 to 74436
35 to 54277
75+251
55 to 64233
18 to 34126

Marion County, South Carolina Veterans by Age

count

Name
Veterans
% of Total
Black8737.3%
White3583.9%
2+ Races587.37%
Native American3457.63%

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

29.23%

Veteran Poverty Rate

41.93%

Veteran Disability Rate

Marion County, South Carolina Veterans by Education

LaborForceParticipation

49.8%

Labor Force Participation

46.8%

Employment Rate

5.9%

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

79.77%

Born in Marion County, South Carolina

98.19%

Native Born

1.81%

Foreign Born

1.39%

Non Citizen

0.42%

Naturalized

Place of Birth

98.19% of Marion County, South Carolina residents were born in the United States, with 79.77% having been born in South Carolina. 1.39% 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