Demographics in Johnston, SC
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Johnston?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
2,518
Male
1,094
43.4%
Female
1,424
56.6%
Median Age
45.7
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White26.1%
Black65.9%
Hispanic3.3%
Asian2.3%
Two or More5.0%
Other0.6%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
9.8%
High School or Higher
43.5%
Foreign Born
3.5%
Veterans
5.9%
Married
31.4%
Avg Household Size
2.4
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Johnston, SC has a population of 2,518 with a median age of 45.7. The racial makeup is 26.1% White, 3.3% Hispanic, 65.9% Black, 2.3% Asian. About 9.8% of residents hold a bachelor's degree or higher. The foreign-born population is 3.5%.