Dorchester County, South Carolina Population 2020

Dorchester County, South Carolina's estimated population is 158,881 with a growth rate of 1.72% in the past year according to the most recent United States census data. Dorchester County, South Carolina is the 12th largest county in South Carolina.

Year Population Growth Growth Rate
2018160,6471,7661.11%
2017158,8812,6821.72%
2016156,1993,3452.19%
2015152,8544,0632.73%
2014148,7913,2202.21%
2013145,5712,9392.06%
2012142,6322,4651.76%
2011140,1673,1102.27%
2010137,05753,99765.01%
199083,06024,29941.35%
198058,76126,48582.06%
197032,2767,89332.37%
196024,3831,7827.88%
195022,6012,67313.41%
194019,9289725.13%
193018,956-503-2.58%
192019,4591,5688.76%
191017,8911,5979.80%
190016,2940.00%

How Many People Live in Dorchester County, South Carolina?

158,881

Population by Race

Race Population Percentage
White105,41967.80%
Black or African American39,45225.38%
Two or More Races4,6993.02%
Asian2,9551.90%
Some Other Race2,1651.39%
American Indian and Alaska Native6320.41%
Native Hawaiian and Other Pacific Islander1520.10%

Dorchester County, South Carolina Population Pyramid 2020

Dorchester County, South Carolina Median Age

36.5


Total

35.5


Male

37.9


Female

Dorchester County, South Carolina Adults

There are 116,744 adults, (20,356 of whom are seniors) in Dorchester County, South Carolina.

Dorchester County, South Carolina Age Dependency

61.3

Age Dependency Ratio

21.1

Old Age Dependency Ratio

40.2

Child Dependency Ratio

Dorchester County, South Carolina Sex Ratio

Female

79,839

51.35%

Male

75,635

48.65%

Dorchester County, South Carolina Households and Families

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

Dorchester County, South Carolina Household Types

Type Owner Renter
Married84.6%15.4%
All71.4%28.6%
Non Family59.4%40.6%
Male58.3%41.7%
Female54.1%45.9%

71.4%

Rate of Home Ownership

Type Count Average Size Owned
All54,5492.8271.4
Married27,6193.3884.6
Non Family16,9291.2459.4
Female7,8853.9954.1
Male2,1163.6758.3

3.44

Average Family Size

2.82

Average Household Size

5%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Dorchester County, South Carolina Education

Education Attained Count Percentage
Less Than 9th Grade3,2393.12%
9th to 12th Grade7,0396.77%
High School Graduate28,80427.72%
Some College23,78622.89%
Associates Degree12,04211.59%
Bachelors Degree19,02318.30%
Graduate Degree9,9949.62%

Dorchester County, South Carolina Educational Attainment by Race

Name Total High School Bachelors
White70,42765,57022,103
Black24,99320,9684,865
Hispanic4,3793,532733
Asian2,0361,645940
Multiple Races1,7201,455459
Other Race1,3861,147141
Native American37633819
Islander6868

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 46.17%.

Name Average Male Female
Overall$40,158$48,636$32,027
Less Than High School$21,542$26,588$14,848
High School Grad$31,390$37,271$25,004
Some College$38,843$47,125$31,443
Bachelors Degree$51,142$66,405$36,643
Graduate Degree$59,020$73,302$52,493

$40,158

Average Earnings

$48,636

Average Male

$32,027

Average Female

Dorchester County, South Carolina Language

Dorchester County, South Carolina Language by Age

Dorchester County, South Carolina Language

94.10% of Dorchester County, South Carolina residents speak only English, while 5.90% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.29% of the population.

Dorchester County, South Carolina Poverty

Dorchester County, South Carolina Poverty by Race

Name Total In Poverty Poverty Rate
White99,1998,4638.53%
Black38,3747,85020.46%
Hispanic8,0011,45118.14%
Other2,14964630.06%
Multiple4,46960313.49%
Asian2,9552699.10%
Native63217227.22%

12.24%

Overall Poverty Rate

10.23%

Male Poverty Rate

14.12%

Female Poverty Rate

Poverty in Dorchester County, South Carolina

The race most likely to be in poverty in Dorchester County, South Carolina is Other, with 30.06% below the poverty level.

The race least likely to be in poverty in Dorchester County, South Carolina is White, with 8.53% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.29%. Among those working part-time, it was 14.73%, and for those that did not work, the poverty rate was 18.77%.

Name Poverty
Less Than High School25.00%
High School14.04%
Some College7.15%
Bachelors or Greater3.02%

Dorchester County, South Carolina Income

Dorchester County, South Carolina Income by Household Type

Name Median Mean
Households$61,698$76,701
Families$76,069$89,556
Married Families$88,720$104,355
Non Families$34,014$44,709

Dorchester County, South Carolina Marital Status

Dorchester County, South Carolina Marital Status

Marriage Rates

49.0%

Overall Marriage Rate

51.8%

Male Marriage Rate

46.4%

Female Marriage Rate

Dorchester County, South Carolina Married by Age and Sex

Dorchester 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.

Dorchester County, South Carolina Marital Status by Race

Dorchester County, South Carolina Veterans

15,851

Number of Veterans

13,887

Male Veterans

1,964

Female Veterans

War Veterans
First Gulf War5,683
Vietnam5,058
Second Gulf War4,806
Korea493
World War II117

Dorchester County, South Carolina Veterans by Race

Name Veterans % of Total
White12,16015.17%
Black3,28811.32%
Hispanic57611.26%
2 or More1436.74%
Other1217.80%
Asian1044.65%
Indian358.43%

Dorchester County, South Carolina Veterans by Education

4.14%

Veteran Poverty Rate

22.36%

Veteran Disability Rate

Dorchester County, South Carolina Employment Status

64.6%

Labor Force Participation

60%

Employment Rate

5.8%

Unemployment Rate

Dorchester 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

49.71%

Born in South Carolina

95.65%

Native Born

4.35%

Foreign Born

2.18%

Non Citizen

Place of Birth

95.65% of Dorchester County, South Carolina residents were born in the United States, with 49.71% having been born in South Carolina. 2.18% 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 Dorchester County, South Carolina

City 2010 Census 2016 Estimated Growth Growth Rate
North Charleston 976321092981166611.95%
Summerville 4260549323671815.77%
St. George20672165984.74%
Lincolnville 1142197182972.59%
Ridgeville19671780-187-9.51%
Harleyville667690233.45%
Reevesville194206126.19%
  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