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Buffalo, SC

Census-designated place in Union County, South Carolina. ZIP codes: 29321.

Population

1,329

Land area

4sq mi

People per sq mi

330

ZIP codes

1

Buffalo and its ZIP codes

Buffalo at a glance

  • Buffalo is 88% denser than South Carolina as a whole.
  • Households here earn a median of $21,614 a year, 69% less than the South Carolina figure of $69,324.
  • A typical owner-occupied home is valued at $46,400 (82% below South Carolina).

Local data for Buffalo, SC

Counts from official public data

Housing and community stats

Buffalo, SC, American Community Survey 2020-2024

Full profile

Median household income

$21,614

Poverty rate

50.5%

Median home value

$46,400

Homeownership

97.4%

Bachelor's or higher

8.3%

Median age

30.8

Average commute

34.2 min

Largest reported origins and ancestries: German Americans (286), Irish Americans (124), Polish Americans (71).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Union County. PPP loans are for Buffalo.

Details

Unemployment rate

6.3%

Aug 2026, 0.0 pts in a year

Average annual pay

$50,848

7,318 jobs, 2025

Income per person

$43,154

BEA, 2024

Federal spending

$207M

FY 2026, $7,589 per person

Union County economyFederal spending

How people get to work

Buffalo, SC, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone83.9%
  • Carpooled13.6%
  • Public transit0.0%
  • Walked0.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other2.5%
  • Worked from home0.0%

Average one-way commute: 34.2 minutes for people who do not work from home.

Environment and hazard risk

Buffalo, SC, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: ice storm

Storm events since 1996

414

Countywide, mostly thunderstorm wind

Flood insurance policies

1

0.0% of homes, county

July high / Jan low

90° / 29°F

45.3 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Buffalo, SC, CDC PLACES estimates

All 40 measures

Obesity

47.8%

U.S. 33.3% +14.5 pts

Diabetes

21.9%

U.S. 12.1% +9.8 pts

Smoking

26.7%

U.S. 12.8% +13.9 pts

Uninsured (18-64)

19.3%

U.S. 11.1% +8.2 pts

ZIP codes in Buffalo

1 in or overlapping Buffalo. Population shown

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Cities near Buffalo

Frequently asked questions

What county is Buffalo, SC in?
Buffalo is in Union County, South Carolina.
What ZIP codes are in Buffalo, SC?
ZIP codes in or overlapping Buffalo include 29321.
What is the population of Buffalo, SC?
About 1,329 people live in Buffalo, based on American Community Survey 5-year estimates.
What cities are near Buffalo?
Nearby places include Union (3.5 mi), Monarch Mill (5.7 mi), Jonesville (8.1 mi), Glenn Springs (11 mi), Cross Anchor (11 mi).

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