Cost of Living in Johnston, SC
Cost indexes, living wages, and fair market rents — 2024 Data
Cost of Living Overview
Overall Index
68.2
100 = national avg
-31.8 vs national average
Living Wage (1 Adult)
$29,989
per year
Living Wage (Family of 4)
$70,882
per year
Cost Index by Category
Housing69.9
Food76.7
Transportation53.4
Healthcare81.4
Utilities80.0
100 = national average. Higher = more expensive.
Fair Market Rent
Source: HUD1 Bedroom
$1,114
per month
2 Bedroom
$1,261
per month
The overall cost of living index in Johnston is 68.2, which is 31.8% below the national average. Housing costs are below the national average at an index of 69.9. A single adult needs to earn approximately $29,989 per year to cover basic expenses.