Johnston, South Carolina Population 2020

2,388

Johnston is a city located in South Carolina. With a 2020 population of 2,388, it is the 109th largest city in South Carolina and the 6975th largest city in the United States. Johnston is currently growing at a rate of 0.72% annually and its population has increased by 1.10% since the most recent census, which recorded a population of 2,362 in 2010. Spanning over 3 miles, Johnston has a population density of 902 people per square mile.

The average household income in Johnston is $54,481 with a poverty rate of 22.63%. The median rental costs in recent years comes to $611 per month, and the median house value is $109,900. The median age in Johnston is 38.3 years, 39.4 years for males, and 36.8 years for females. For every 100 females there are 103.4 males.

Johnston Demographics

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

  • Black or African American: 60.02%
  • White: 37.73%
  • Other race: 2.25%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Two or more races: 0.00%
The current population of Johnston, South Carolina is 2,388, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 2,354.The last official US Census in 2010 recorded the population at 2,362.

Johnston, South Carolina Population 2020

Population by Race

Race Population Percentage
Black or African American1,33360.02%
White83837.73%
Some Other Race502.25%

Johnston Population Pyramid 2020

Johnston Median Age

38.3


Total

39.4


Male

36.8


Female

Johnston Adults

There are 1,727 adults, (358 of whom are seniors) in Johnston.

Johnston Age Dependency

62.2

Age Dependency Ratio

26.2

Old Age Dependency Ratio

36.1

Child Dependency Ratio

Johnston Sex Ratio

Female

1,092

49.17%

Male

1,129

50.83%

Johnston Households and Families

Johnston Renter vs Owner Occupied by Household Type

Johnston Household Types

Type Owner Renter
Married86.6%13.4%
All61.2%38.8%
Non Family55.6%44.4%
Female44.4%55.6%
Male21.3%78.7%

61.2%

Rate of Home Ownership

Type Count Average Size Owned
All8182.7261.2
Married2993.3586.6
Non Family2861.2855.6
Female1444.2644.4
Male892.7121.3

3.33

Average Family Size

2.72

Average Household Size

3.3%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Johnston Education

Education Attained Count Percentage
Less Than 9th Grade1449.38%
9th to 12th Grade19212.51%
High School Graduate76950.10%
Some College21814.20%
Associates Degree543.52%
Bachelors Degree835.41%
Graduate Degree754.89%

Johnston Educational Attainment by Race

Name Total High School Bachelors
Black90966551
White582534107
Hispanic44
Other Race33

The highest rate of high school graduation is among white people with a rate of 91.75%.

The highest rate of bachelors degrees is among white people with a rate of 18.38%.

Name Average Male Female
Overall$23,586$28,396$17,440
Less Than High School$13,333$24,844$
High School Grad$22,409$24,267$18,589
Some College$38,250$56,250$24,583
Bachelors Degree$34,688$$35,577
Graduate Degree$$$

$23,586

Average Earnings

$28,396

Average Male

$17,440

Average Female

Johnston Language

Johnston Language by Age

Johnston Language

95.19% of Johnston residents speak only English, while 4.81% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.81% of the population.

Johnston Poverty

Johnston Poverty by Race

Name Total In Poverty Poverty Rate
Black1,32335426.76%
Hispanic120120100.00%
Other5050100.00%
White758243.17%

22.63%

Overall Poverty Rate

17.87%

Male Poverty Rate

27.54%

Female Poverty Rate

Poverty in Johnston

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

The race least likely to be in poverty in Johnston is White, with 3.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 13.77%. Among those working part-time, it was 13.54%, and for those that did not work, the poverty rate was 33.75%.

Name Poverty
Less Than High School36.01%
Some College16.18%
High School9.62%
Bachelors or Greater6.33%
Name Poverty
Female Unemployed48.72%
Male Unemployed25.00%
Female Employed16.26%
Male Employed12.36%

Johnston Income

Johnston Income by Household Type

Name Median Mean
Households$35,000$54,481
Families$40,625$67,426
Married Families$78,208-
Non Families$21,905$27,701

Johnston Marital Status

Johnston Marital Status

Marriage Rates

37.8%

Overall Marriage Rate

38.9%

Male Marriage Rate

36.6%

Female Marriage Rate

Johnston Married by Age and Sex

Johnston 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.

Johnston Marital Status by Race

Johnston Veterans

143

Number of Veterans

139

Male Veterans

4

Female Veterans

War Veterans
Vietnam77
Second Gulf War48
First Gulf War38
World War II
Korea

$Johnston Veterans by Education

16.78%

Veteran Poverty Rate

53.85%

Veteran Disability Rate

Johnston Employment Status

62%

Labor Force Participation

58.5%

Employment Rate

5.6%

Unemployment Rate

Johnston 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

73.35%

Born in South Carolina

95.00%

Native Born

5.00%

Foreign Born

5.00%

Non Citizen

Place of Birth

95.00% of Johnston residents were born in the United States, with 73.35% having been born in South Carolina. 5.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
20202,388170.72%
20192,371170.72%
20182,354100.43%
20172,344170.73%
20162,327-6-0.26%
20152,333160.69%
20142,31730.13%
20132,314-3-0.13%
20122,317-38-1.61%
20112,355-8-0.34%
20102,3630.00%