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Johnston, SC
Town in Edgefield County, South Carolina.
Population
2,132
Land area
2.6sq mi
People per sq mi
813
ZIP codes
0
Johnston and its ZIP codes
Johnston at a glance
- Johnston is about 4.6 times as dense as South Carolina as a whole.
- Households here earn a median of $34,412 a year, 50% less than the South Carolina figure of $69,324.
- A typical owner-occupied home is valued at $106,600 (59% below South Carolina) and median rent is $491 a month.
Local data for Johnston, SC
Counts from official public data
Housing and community stats
Johnston, SC, American Community Survey 2020-2024
Median household income
$34,412
Poverty rate
32.7%
Median home value
$106,600
Median rent
$491/mo
Homeownership
63.1%
Bachelor's or higher
14.9%
Median age
46.9
Average commute
28.5 min
Largest reported origins and ancestries: Irish Americans (124), German Americans (57), Mexican Americans (54).
Economy and federal money
Jobs, pay, income and spending are for Edgefield County. PPP loans are for Johnston.
Unemployment rate
3.8%
Aug 2026, -0.5 pts in a year
Average annual pay
$54,256
6,119 jobs, 2025
Income per person
$50,250
BEA, 2024
Federal spending
$241M
FY 2026, $9,378 per person
How people get to work
Johnston, SC, workers 16 and older. American Community Survey 5-year estimates
- Drove alone84.7%
- Carpooled11.5%
- Public transit0.0%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home3.8%
Average one-way commute: 28.5 minutes for people who do not work from home.
Environment and hazard risk
Johnston, SC, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: ice storm
Storm events since 1996
315
Countywide, mostly thunderstorm wind
Flood insurance policies
37
0.4% of homes, county
July high / Jan low
93° / 33°F
48.5 inches of rain a year
Health statistics
Share of adults in Johnston, SC, CDC PLACES estimates
Obesity
47.5%
U.S. 33.3% +14.2 pts
Diabetes
24.8%
U.S. 12.1% +12.7 pts
Smoking
21.6%
U.S. 12.8% +8.8 pts
Uninsured (18-64)
16.8%
U.S. 11.1% +5.7 pts
Cities near Johnston
| Name | Distance | Land area (sq mi) |
|---|---|---|
| WardTown | 4.5 mi | 0.8 |
| TrentonTown | 6.6 mi | 1.3 |
| EdgefieldTown | 8 mi | 4.3 |
| Ridge SpringTown | 8.2 mi | 1.8 |
| MonettaTown | 11 mi | 0.7 |
| SaludaTown | 12 mi | 3.2 |
| Batesburg-LeesvilleTown | 17 mi | 8.2 |
| Murphys EstatesCensus-designated place | 18 mi | 2.1 |
| GranitevilleCensus-designated place | 18 mi | 3.3 |
| WarrenvilleCensus-designated place | 19 mi | 1.1 |
| GlovervilleCensus-designated place | 21 mi | 3.6 |
| AikenCity | 21 mi | 21.8 |
| BurnettownTown | 21 mi | 5.5 |
| BelvedereCensus-designated place | 22 mi | 3.4 |
| LangleyCensus-designated place | 22 mi | 1.1 |
| SummitTown | 23 mi | 1.5 |
Frequently asked questions
- What county is Johnston, SC in?
- Johnston is in Edgefield County, South Carolina.
- What is the population of Johnston, SC?
- About 2,132 people live in Johnston, based on American Community Survey 5-year estimates.
- What cities are near Johnston?
- Nearby places include Ward (4.5 mi), Trenton (6.6 mi), Edgefield (8 mi), Ridge Spring (8.2 mi), Monetta (11 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023