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Oswego, SC

Census-designated place in Sumter County, South Carolina.

Population

172

Land area

1.2sq mi

People per sq mi

143

ZIP codes

0

Oswego and its ZIP codes

Full map

Economy and federal money

Jobs, pay, income and spending are for Sumter County. PPP loans are for Oswego.

Details

Unemployment rate

5.4%

Aug 2026, -0.4 pts in a year

Average annual pay

$54,501

35,348 jobs, 2025

Income per person

$52,221

BEA, 2024

Federal spending

$1.3B

FY 2026, $11,911 per person

Sumter County economyFederal spending

Environment and hazard risk

Oswego, SC, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: hurricane

Storm events since 1996

608

Countywide, mostly thunderstorm wind

Flood insurance policies

512

1.0% of homes, county

July high / Jan low

90° / 33°F

48.8 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Oswego, SC, CDC PLACES estimates

All 40 measures

Obesity

38.3%

U.S. 33.3% +5.0 pts

Diabetes

22.4%

U.S. 12.1% +10.3 pts

Smoking

14.9%

U.S. 12.8% +2.1 pts

Uninsured (18-64)

13.8%

U.S. 11.1% +2.7 pts

Cities near Oswego

NameDistanceLand area (sq mi)
MulberryCensus-designated place4.3 mi2
MayesvilleTown4.6 mi1
East SumterCensus-designated place5.2 mi3.3
St. CharlesCensus-designated place6.2 mi4.2
SumterCity6.7 mi33.1
AshwoodCensus-designated place7.5 mi3.6
DalzellCensus-designated place8.4 mi5.8
South SumterCensus-designated place8.9 mi2.3
ElliottCensus-designated place9.6 mi1.9
ManvilleCensus-designated place10 mi2.7
CherryvaleCensus-designated place11 mi1.8
WisackyCensus-designated place11 mi5.5
LakewoodCensus-designated place12 mi7.5
Cane SavannahCensus-designated place12 mi3.6
OaklandCensus-designated place12 mi0.7
LynchburgTown12 mi1.1

Frequently asked questions

What county is Oswego, SC in?
Oswego is in Sumter County, South Carolina.
What is the population of Oswego, SC?
About 172 people live in Oswego, based on American Community Survey 5-year estimates.
What cities are near Oswego?
Nearby places include Mulberry (4.3 mi), Mayesville (4.6 mi), East Sumter (5.2 mi), St. Charles (6.2 mi), Sumter (6.7 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023