County profile
Barnwell County, SC
United States · GDP 2024
#2135 of 3,127 US counties by GDP57th-percentile growthmore diversified than 32% of counties
EA Place Score
——methodology in progress
GDP 2024 (USD)
$700.8M
BEA · 2024
GDP growth (YoY)
+5.0%
BEA · 2024
Jobs tracked
3,904
Census CBP · 2023
Employers
353
Census CBP · 2023
Avg. wage
$42.0k
BLS QCEW · 2023
Population
20,653
Census PEP · 2025
Labor, income & education
Unemployment
5.5%
Median HH income
$46.6k±$4.4k
Bachelor's degree+
13.9%±2.2%
Poverty rate
25.0%±3.5%
Business applications
241 · 2025
Retail establishments
71
34.6/10k pop
Public companies headquartered here
SEC EDGAR · FMPCompanySectorRevenueEA
No public companies loaded for this state yet — universe expands with the full ingest.
HQ-based placement with total (global) headcount — local employment attribution needs firmographic data; the industry mix at right is measured county data (CBP).
Industry mix · employment
Manufacturing35%
Retail trade21%
Health care17%
Food & accommodation14%
Other services10%
Admin & support4%
share of top-6 sector employment · CBP 2023
Population & migration
Census PEP · 2020–2025
20,653
residents · 2025 · +0.4% since 2020
Income per capita $44.2k · BEA 2024
COMPONENTS OF CHANGE · 2021–2025
Domestic migration+139
International migration+150
Natural change−220
GDP trend
2019–2024 · nominal
$542.2M2019
$487.5M2020
$487.8M2021
$579.8M2022
$667.8M2023
$700.8M2024
Real estate & risk
FHFA · ACS · FEMA
Median home value
$106.0k±$9.5k
Median gross rent
$740/mo±$116/mo
Vacancy rate
18.2%±2.3%
Affordability
2.5× wages
Residential permits
$10.2M
31 units · 1.5/1k pop
FEMA risk score
45.8
HUD Fair Market Rent (2BR):$930/mo · 2026
TOP PERILS · FEMA NRI
Hurricane 85Earthquake 81Tornado 66
FHFA HOUSE PRICE INDEX · 2016–2025
1552016
1612017
1662018
1772019
1812020
1962021
2092022
2672023
2512024
2842025
RESIDENTIAL PERMITS · 2021–2025
↑ 675% since 202142021
312022
212023
172024
312025
Transport access
BTS · FAA · USACE
Nearest interstate
49.5 km
I-20
Nearest freight rail
4.5 km
CSXT
Nearest port
112.8 km
MARINE CORPS AIR STATION BEAUFORT
Nearest commercial airport
50.6 km
AUGUSTA RGNL AT BUSH FLD
Wage trend
BLS QCEW · 2019–2023$42.0k
avg. annual pay · +15% since 2019
Similar US counties
nearest by GDPNearby & same-state counties
by GDP rankThe read
What is the GDP of Barnwell?
Barnwell's economy produced $700.8M in 2024, growing 5.0% year over year — about the middle of the pack among US counties. Its largest employment sector is manufacturing.
GDP: BEA (2024), USD-normalized · Jobs/employers/wages & industry mix: Census CBP (2023) · Population & migration: Census PEP · Income: BEA CAINC1 · Companies: SEC EDGAR + FMP, by HQ.