Buffalo ZIP Codes — Union County, SC

There is one unique ZIP code in Buffalo, South Carolina and it is 29321. Area code: 864.
1
ZIP codes
39.32
sq mi land
0.02
sq mi water
864
area code
Buffalo, SC ZIP code map

About Buffalo, SC

Buffalo is a small, charming city located in the state of South Carolina. It is situated within Union County and offers a unique blend of rural tranquility and close-knit community spirit. Known for its scenic views and historical roots, Buffalo is a quaint place that attracts both residents and visitors alike.

Location & geography

Buffalo is located in the northwestern part of South Carolina, providing easy access to nearby cities such as Union, which lies approximately 12 miles to the east, and Spartanburg, around 25 miles to the southwest. The city covers a total land area of 39.32 square miles, with a minimal water area of 0.02 square miles. The terrain is primarily flat, offering a serene landscape that typifies the Upstate region of South Carolina.

Community & economy

The community in Buffalo is characterized by its friendly atmosphere where everyone knows their neighbors, making it a welcoming place to live. The local economy is supported by small businesses and agriculture, reflecting the city’s rural heritage. Daily life in Buffalo often revolves around community events, schools, and local gatherings that foster a strong sense of belonging.

Transportation

Buffalo is accessible via several highways, with South Carolina Highway 176 being a significant route that connects it to nearby areas. The nearest major airport is Greenville-Spartanburg International Airport, located approximately 35 miles to the south. Public transportation options are limited, but residents often rely on personal vehicles for commuting.

History

Buffalo was established in the 19th century and has deep historical roots that contribute to its character today. The city has traditionally relied on agriculture and small manufacturing as key industries, forming the backbone of the local economy. Throughout its history, Buffalo has hosted various community events that celebrate its rich heritage and bring residents together.

Did you know?

One little-known fact about Buffalo is that it was originally called 'Buford,' named after a local landholder. Today, Buffalo is known for its serene environment and charming landscape that attracts visitors looking for peaceful retreats.

ZIP codes for Buffalo, SC (1)
ZIP code City County Map
29321 Buffalo Union View map

Demographics & statistics

3,248
Population
35.1
Median age
$31,283
Median household income
$17,852
Per capita income
$66,400
Median home value
$649
Median monthly rent
75.8%
Home ownership
36.6%
Poverty rate
8.3%
Unemployment
1,123
Housing units
14.7%
Bachelor's or higher

Age distribution

Male Female
129
Under 5
139
192
5–9
207
150
10–14
161
79
15–19
85
40
20–24
42
191
25–34
204
206
35–44
221
274
45–54
295
87
55–59
94
31
60–64
34
127
65–74
136
42
75–84
45
18
85+
19
← Male
Female →

Age summary

GroupCount%
Under 181,13534.9%
18 and over2,11365.1%
65 and over38711.9%
Median age35.1 years

Race & ethnicity

White 89.3%
Black or African American 5.9%
Two or more races 4.8%
GroupCount%
White2,90189.3%
Black or African American1925.9%
Two or more races1554.8%

Household income

Under $10k 13.5%
$10k–$15k 0.9%
$15k–$25k 23.8%
$25k–$35k 20.0%
$35k–$50k 4.2%
$50k–$75k 22.4%
$75k–$100k 6.3%
$100k–$150k 8.4%
$150k–$200k 0.3%
$200k+ 0.2%
Range% of households
Under $10k13.5%
$10k–$15k0.9%
$15k–$25k23.8%
$25k–$35k20.0%
$35k–$50k4.2%
$50k–$75k22.4%
$75k–$100k6.3%
$100k–$150k8.4%
$150k–$200k0.3%
$200k+0.2%
Median income$31,283

Housing

Home values

Under $50k 41.4%
$50k–$100k 28.8%
$100k–$150k 16.2%
$150k–$200k 5.1%
$200k–$300k 1.5%
$300k–$500k 1.8%
$500k–$1M 4.1%
$1M+ 1.1%

Housing overview

MetricValue
Median home value$66,400
Median rent / month$649
Owner occupied75.8%
Renter occupied24.2%
Vacant13.9%
Single-family detached58.9%
Large apartment buildings0.0%
Mobile homes41.1%
Median rooms5.2
Avg household size (owned)2.24

Year built

Era%
2020 or later0.0%
2010–20192.1%
2000–200918.0%
1990–199920.9%
1980–198912.3%
1970–197919.0%
1960–19692.5%
1950–195910.9%
1940–19494.2%
1939 or earlier10.1%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms32.8%
3 bedrooms43.8%
4 bedrooms21.1%
5+ bedrooms2.3%

Vehicles per household

Vehicles% of households
No vehicle12.4%
1 vehicle31.7%
2 vehicles35.8%
3 or more20.2%

Heating fuel

Fuel type%
Utility gas16.6%
Electricity75.5%
Propane / LP gas2.2%
Fuel oil3.9%
Wood0.8%
No fuel used1.0%

Households & families

Household typeCount%
Married-couple family36930.2%
Cohabiting couple18415.1%
Male householder, no spouse36129.5%
Female householder, no spouse30825.2%
Households with children under 1846538.1%
Households with seniors (65+)35028.6%
Average household size2.66

Marital status

StatusMaleFemale
Never married34.1%28.9%
Married35.1%39.2%
Separated0.0%5.6%
Widowed5.8%14.0%
Divorced25.1%12.3%

Education

Less than 9th grade 7.3%
Some HS, no diploma 16.0%
HS graduate 35.8%
Some college, no degree 20.2%
Associate's degree 6.1%
Bachelor's degree 13.8%
Graduate / professional 0.8%
Metric%
HS diploma or higher76.8%
Bachelor's or higher14.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool424.6%
Kindergarten16217.8%
Elementary school47852.5%
High school19621.5%
College / grad school323.5%

Employment

Industry of employment

Education & healthcare 30.2%
Manufacturing 24.1%
Retail trade 12.3%
Finance & real estate 6.3%
Transportation & utilities 5.8%
Other services 5.7%
Construction 4.3%
Professional & management 3.5%
Public administration 3.5%
Information 2.9%
Wholesale trade 1.4%

Occupation

Category%
Management, business & arts35.3%
Service11.0%
Sales & office25.2%
Natural resources & construction9.0%
Production & transportation19.4%

Employment type

Type%
Private sector86.0%
Government8.1%
Self-employed5.0%
Unpaid family workers1.0%

Commute

Method%
Drive alone74.4%
Carpool23.0%
Public transit0.0%
Walk0.0%
Other means0.9%
Avg commute (minutes)24.2

Poverty

All people 36.6%
Under 18 years 63.0%
18 and over 22.4%
Married-couple families 10.6%
Female-led households 59.5%

Income support

Source% of households
Social Security47.6%
Retirement income14.2%
Supplemental Security9.2%
Cash public assistance0.7%
Food stamps / SNAP26.7%

Health indicators

Condition%
High blood pressure39.3%
High cholesterol37.9%
Heart disease7.8%
Stroke4.0%
Asthma10.5%
Arthritis31.1%
Kidney disease3.4%
Pulmonary disease9.7%
Cancer6.8%
Behavior / access%
Binge drinking17.6%
No physical activity29.8%
Less than 7 hrs sleep34.5%
Fair or poor health18.7%
Poor mental health16.5%
Poor physical health13.6%
No health insurance17.7%
Visited doctor (checkup)78.2%
Visited dentist61.2%
Cholesterol screening87.8%
Teeth loss19.2%

Veterans & disability

VeteransCount%
Civilian veterans26512.5%
Disability%
Any disability26.2%
Under 1816.2%
18–64 years32.6%
65 and over26.9%

Health insurance coverage

Type%
Private insurance51.5%
Public insurance51.5%
Uninsured under 198.8%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only2,98091.7%
Spanish70.2%
Other Indo-European00.0%
Asian & Pacific Islander70.2%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)3,24199.8%
Born in same state3,24199.8%
Born in different state2,77785.5%
Foreign born00.0%
Naturalized citizen70.2%
Not a US citizen7100.0%

Ancestry

AncestryCount%
Arab53816.6%
Italian2447.5%
French1424.4%
AncestryCount%
German180.6%
Polish110.3%

Technology access

Metric% of households
Computer access37.6%
Internet access89.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Buffalo, SC have?
Buffalo, SC has one ZIP code: 29321. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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