Charleston County, South Carolina Population 2020

Charleston County, South Carolina's estimated population is 401,738 with a growth rate of 1.25% in the past year according to the most recent United States census data. Charleston County, South Carolina is the 3rd largest county in South Carolina.

Year Population Growth Growth Rate
2018405,9054,1671.04%
2017401,7384,9531.25%
2016396,7857,4861.92%
2015389,2999,4852.50%
2014379,8148,0902.18%
2013371,7247,0961.95%
2012364,6287,3132.05%
2011357,3156,3521.81%
2010350,96355,92418.95%
1990295,03918,0656.52%
1980276,97429,32411.84%
1970247,65031,26814.45%
1960216,38251,52631.26%
1950164,85643,75136.13%
1940121,10520,05519.85%
1930101,050-7,400-6.82%
1920108,45019,85622.41%
191088,5945880.67%
190088,00628,10346.91%
189059,903-42,897-41.73%
1880102,80013,93715.68%
187088,86318,76326.77%
186070,100-2,705-3.72%
185072,805-9,856-11.92%
184082,661-3,677-4.26%
183086,3386,1267.64%
182080,21217,03326.96%
181063,1795,6999.91%
180057,480-9,505-14.19%
179066,9850.00%

How Many People Live in Charleston County, South Carolina?

401,738

Population by Race

Race Population Percentage
White269,34268.24%
Black or African American107,78927.31%
Two or More Races8,0012.03%
Asian5,6211.42%
Some Other Race3,1440.80%
American Indian and Alaska Native6740.17%
Native Hawaiian and Other Pacific Islander1370.03%

Charleston County, South Carolina Population Pyramid 2020

Charleston County, South Carolina Median Age

37.6


Total

36.3


Male

38.9


Female

Charleston County, South Carolina Adults

There are 316,093 adults, (60,929 of whom are seniors) in Charleston County, South Carolina.

Charleston County, South Carolina Age Dependency

54.7

Age Dependency Ratio

23.9

Old Age Dependency Ratio

30.8

Child Dependency Ratio

Charleston County, South Carolina Sex Ratio

Female

203,517

51.56%

Male

191,191

48.44%

Charleston County, South Carolina Households and Families

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

Charleston County, South Carolina Household Types

Type Owner Renter
Married80.1%19.9%
All61.1%38.9%
Male53.7%46.3%
Non Family46.7%53.3%
Female45.4%54.6%

61.1%

Rate of Home Ownership

Type Count Average Size Owned
All156,4822.4561.1
Married67,2973.0380.1
Non Family64,3031.3946.7
Female19,7073.6245.4
Male5,1753.4953.7

3.12

Average Family Size

2.45

Average Household Size

5.1%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Charleston County, South Carolina Education

Education Attained Count Percentage
Less Than 9th Grade6,6232.37%
9th to 12th Grade17,0246.09%
High School Graduate63,58022.73%
Some College49,90817.84%
Associates Degree22,8908.18%
Bachelors Degree76,47227.34%
Graduate Degree43,19815.44%

Charleston County, South Carolina Educational Attainment by Race

Name Total High School Bachelors
White189,486182,546102,266
Black71,38858,97510,808
Hispanic10,8897,5512,539
Asian4,3393,8552,619
Multiple Races3,5593,1181,309
Other Race1,7701,069441
Native American42038867
Islander10410429

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 60.36%.

Name Average Male Female
Overall$40,913$47,942$35,528
Less Than High School$18,868$21,498$14,480
High School Grad$27,481$31,393$23,717
Some College$34,032$40,934$28,540
Bachelors Degree$52,079$62,728$43,685
Graduate Degree$66,665$89,813$55,026

$40,913

Average Earnings

$47,942

Average Male

$35,528

Average Female

Charleston County, South Carolina Language

Charleston County, South Carolina Language by Age

Charleston County, South Carolina Language

93.56% of Charleston County, South Carolina residents speak only English, while 6.44% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.65% of the population.

Charleston County, South Carolina Poverty

Charleston County, South Carolina Poverty by Race

Name Total In Poverty Poverty Rate
Black103,98828,46127.37%
White246,73419,6407.96%
Hispanic19,3455,80029.98%
Multiple7,4141,58721.41%
Other3,1431,11635.51%
Asian5,41083315.40%
Native64823636.42%
Islander1063230.19%

14.71%

Overall Poverty Rate

13.28%

Male Poverty Rate

16.02%

Female Poverty Rate

Poverty in Charleston County, South Carolina

The race most likely to be in poverty in Charleston County, South Carolina is Native, with 36.42% below the poverty level.

The race least likely to be in poverty in Charleston County, South Carolina is White, with 7.96% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.16%. Among those working part-time, it was 19.23%, and for those that did not work, the poverty rate was 23.29%.

Name Poverty
Less Than High School32.10%
High School16.61%
Some College9.40%
Bachelors or Greater4.33%

Charleston County, South Carolina Income

Charleston County, South Carolina Income by Household Type

Name Median Mean
Households$61,028$90,593
Families$80,754$114,075
Married Families$101,322$137,041
Non Families$40,480$55,037

Charleston County, South Carolina Marital Status

Charleston County, South Carolina Marital Status

Marriage Rates

44.4%

Overall Marriage Rate

46.4%

Male Marriage Rate

42.6%

Female Marriage Rate

Charleston County, South Carolina Married by Age and Sex

Charleston 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 35-44.

Charleston County, South Carolina Marital Status by Race

Charleston County, South Carolina Veterans

28,834

Number of Veterans

25,964

Male Veterans

2,870

Female Veterans

War Veterans
Vietnam10,450
First Gulf War6,768
Second Gulf War5,952
Korea2,202
World War II936

Charleston County, South Carolina Veterans by Race

Name Veterans % of Total
White20,4799.31%
Black7,6589.41%
Hispanic7375.69%
2 or More3737.87%
Asian1433.02%
Indian9217.86%
Other894.42%

Charleston County, South Carolina Veterans by Education

8.65%

Veteran Poverty Rate

23.58%

Veteran Disability Rate

Charleston County, South Carolina Employment Status

65.4%

Labor Force Participation

61.7%

Employment Rate

4.4%

Unemployment Rate

Charleston County, South Carolina Place of Birth

Origin of Non Citizens

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

Origin of Naturalized Citizens

52.33%

Born in South Carolina

95.06%

Native Born

4.94%

Foreign Born

2.93%

Non Citizen

Place of Birth

95.06% of Charleston County, South Carolina residents were born in the United States, with 52.33% having been born in South Carolina. 2.93% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Population of Cities in Charleston County, South Carolina

City 2010 Census 2016 Estimated Growth Growth Rate
Charleston 1201501343851423511.85%
North Charleston 976321092981166611.95%
Mount Pleasant67854841701631624.05%
Summerville 4260549323671815.77%
Goose Creek 3643442039560515.38%
James Island11216121669508.47%
Hollywood471450843707.85%
Isle of Palms413343952626.34%
Folly Beach261727821656.30%
Ravenel246526281636.61%
Lincolnville 1142197182972.59%
Sullivan's Island179119361458.10%
Seabrook Island171418661528.87%
Kiawah Island162617711458.92%
Awendaw12941384906.96%
Meggett12301327977.89%
McClellanville499543448.82%
Rockville13013775.38%
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990