James Island, South Carolina Population 2020

12,054

James Island is a city located in South Carolina. With a 2020 population of 12,054, it is the 37th largest city in South Carolina and the 2718th largest city in the United States. James Island is currently declining at a rate of -0.06% annually but its population has increased by since the most recent census, which recorded a population of in 2010. James Island reached it's highest population of 12,120 in 2016. Spanning over 5 miles, James Island has a population density of 2,542 people per square mile.

The average household income in James Island is $94,263 with a poverty rate of 4.79%. The median rental costs in recent years comes to $1,290 per month, and the median house value is $272,000. The median age in James Island is 43.4 years, 39.9 years for males, and 44.9 years for females. For every 100 females there are 98.1 males.

James Island Demographics

According to the most recent ACS, the racial composition of James Island was:

  • White: 83.02%
  • Black or African American: 11.71%
  • Asian: 2.63%
  • Two or more races: 2.45%
  • Other race: 0.14%
  • Native American: 0.05%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of James Island, South Carolina is 12,054, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 12,068.

James Island, South Carolina Population 2020

Population by Race

Race Population Percentage
White9,97183.02%
Black or African American1,40611.71%
Asian3162.63%
Two or More Races2942.45%
Some Other Race170.14%
American Indian and Alaska Native60.05%

James Island Population Pyramid 2020

James Island Median Age

43.4


Total

39.9


Male

44.9


Female

James Island Adults

There are 9,907 adults, (2,262 of whom are seniors) in James Island.

James Island Age Dependency

57.1

Age Dependency Ratio

29.6

Old Age Dependency Ratio

27.5

Child Dependency Ratio

James Island Sex Ratio

Female

6,064

50.49%

Male

5,946

49.51%

James Island Households and Families

James Island Renter vs Owner Occupied by Household Type

James Island Household Types

Type Owner Renter
Married91.6%8.4%
All85.7%14.3%
Non Family82.2%17.8%
Female74.6%25.4%
Male73.2%26.8%

85.7%

Rate of Home Ownership

Type Count Average Size Owned
All4,9212.4485.7
Married2,4072.9191.6
Non Family1,8681.3782.2
Female5043.8874.6
Male1423.473.2

3.05

Average Family Size

2.44

Average Household Size

4.6%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

James Island Education

Education Attained Count Percentage
Less Than 9th Grade630.68%
9th to 12th Grade1982.12%
High School Graduate2,12722.82%
Some College1,78119.11%
Associates Degree8108.69%
Bachelors Degree2,95131.66%
Graduate Degree1,39014.91%

James Island Educational Attainment by Race

Name Total High School Bachelors
White7,7277,6013,880
Black91678196
Asian266266232
Multiple Races23623693
Hispanic16916940
Other Race1717
Native American66

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

The highest rate of bachelors degrees is among asian people with a rate of 87.22%.

Name Average Male Female
Overall$49,047$55,967$41,413
Less Than High School$$71,513$
High School Grad$28,327$30,932$19,836
Some College$41,405$48,611$30,479
Bachelors Degree$51,897$64,665$42,047
Graduate Degree$78,041$72,125$78,097

$49,047

Average Earnings

$55,967

Average Male

$41,413

Average Female

James Island Language

James Island Language by Age

James Island Language

97.61% of James Island residents speak only English, while 2.39% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 0.97% of the population.

James Island Poverty

James Island Poverty by Race

Name Total In Poverty Poverty Rate
White9,7114374.50%
Black1,4061198.46%
Hispanic233177.30%
Other1717100.00%

4.79%

Overall Poverty Rate

3.65%

Male Poverty Rate

5.91%

Female Poverty Rate

Poverty in James Island

The race most likely to be in poverty in James Island is Other, with 100.00% below the poverty level.

The race least likely to be in poverty in James Island is White, with 4.50% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.08%. Among those working part-time, it was 6.15%, and for those that did not work, the poverty rate was 8.22%.

Name Poverty
Less Than High School10.34%
High School7.57%
Some College4.63%
Bachelors or Greater2.49%
Name Poverty
Female Unemployed10.13%
Female Employed4.37%
Male Employed1.91%
Male Unemployed0.00%

James Island Income

James Island Income by Household Type

Name Median Mean
Households$78,688$94,263
Families$93,705$112,752
Married Families$104,971-
Non Families$50,429$60,367

James Island Marital Status

James Island Marital Status

Marriage Rates

50.3%

Overall Marriage Rate

51.0%

Male Marriage Rate

49.6%

Female Marriage Rate

James Island Married by Age and Sex

James Island 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.

James Island Marital Status by Race

James Island Veterans

785

Number of Veterans

736

Male Veterans

49

Female Veterans

War Veterans
Vietnam322
Korea113
First Gulf War95
Second Gulf War60
World War II22

$James Island Veterans by Education

7.39%

Veteran Poverty Rate

29.30%

Veteran Disability Rate

James Island Employment Status

69.9%

Labor Force Participation

68.7%

Employment Rate

1.8%

Unemployment Rate

James Island 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

56.08%

Born in South Carolina

97.78%

Native Born

2.22%

Foreign Born

0.57%

Non Citizen

Place of Birth

97.78% of James Island residents were born in the United States, with 56.08% having been born in South Carolina. 0.57% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Year Population Growth Annual Growth Rate
202012,054-7-0.06%
201912,061-7-0.06%
201812,068-45-0.37%
201712,113-7-0.06%
201612,1201671.40%
201511,9531851.57%
201411,7681040.89%
201311,6641060.92%
201211,5581601.40%
201111,3981671.49%
201011,2310.00%