Zip code 29321: Buffalo, South Carolina

Q: What city is zip code 29321?

29321 is assigned to Buffalo, South Carolina. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 29321 in?

29321 is in Union County, South Carolina.

Q: What is the population of 29321?

About 3,236 people live in 29321, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 29321?

The median household income in 29321 is $34,464.

Q: What zip codes are near 29321?

The closest zip codes to 29321 are 29374, 29379, 29331, 29395, 29353.

Residential delivery areaUnion CountyEastern Time

Population

3,236

Median household income

$34K

U.S. $81K

Median home value

$60K

U.S. $333K

Median rent

$904/mo

U.S. $1,413

Median age

41.7

U.S. 38.9

Land area

39 sq mi

82 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 29321

29321 is a small-town zip code in Buffalo, South Carolina (Union County), covering 39 sq mi of land. About 3,236 people live here, or 82 per square mile. The median resident is 41.7 years old, compared with 38.9 nationally.

The median household earns $34,464 a year, about 43% of the national median of $80,734. 33.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $60,000, or 1.7 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 86% of occupied homes are lived in by their owners, and renters pay a median of $904 a month.

17% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 31.5 minutes each way, and 13% of workers work from home. The most common jobs among working residents are in healthcare; construction and repair; and office and administrative support.

How 29321 compares

Sorted from highest to lowest national percentile

Healthcare workers47.9%
99th
U.S. 9.7% · SC 9.5%1st of 409 in SC
Veterans15.6%
98th
U.S. 6.2% · SC 8.3%21st of 411 in SC
Income inequality (Gini)0.558
98th
WeaknessU.S. 0.483 · SC 0.47515th of 397 in SC
Poverty rate33.5%
97th
WeaknessU.S. 12.5% · SC 14.1%24th of 401 in SC
Residents under 1831.4%
97th
U.S. 22% · SC 21.4%14th of 411 in SC
Homeownership rate86.4%
91st
StrengthU.S. 65.2% · SC 71.9%79th of 401 in SC
Housing vacancy17.3%
90th
U.S. 10.1% · SC 13.3%140th of 402 in SC
Unemployment rate8.1%
87th
WeaknessU.S. 5.2% · SC 4.9%74th of 409 in SC
Average commute31.5 min
81st
WeaknessU.S. 26.4 min · SC 25.6 min96th of 394 in SC
Uninsured rate11.2%
77th
U.S. 8.4% · SC 9.6%127th of 407 in SC
Median age41.7
70th
U.S. 38.9 · SC 40.2199th of 411 in SC
Government workers14.1%
53rd
U.S. 14.5% · SC 15.2%249th of 409 in SC
Work from home12.6%
49th
U.S. 15.1% · SC 11.5%83rd of 409 in SC
Median earnings per worker$47,589
48th
U.S. $49,666 · SC $44,623103rd of 408 in SC
Tech workers2.6%
45th
U.S. 3.8% · SC 2.6%98th of 409 in SC
Residents 65 and older13.3%
25th
U.S. 17.2% · SC 18.9%349th of 411 in SC
Median gross rent$904
14th
U.S. $1,413 · SC $1,180207th of 344 in SC
Bachelor's degree or higher17.2%
14th
WeaknessU.S. 35.7% · SC 32.1%249th of 409 in SC
Per capita income$27,016
12th
WeaknessU.S. $44,673 · SC $39,236304th of 411 in SC
Broadband access84.7%
12th
WeaknessU.S. 91% · SC 88.8%221st of 401 in SC
Population density82/sq mi
11th
U.S. 95/sq mi · SC 176/sq mi227th of 411 in SC
Self-employed workers5.7%
8th
U.S. 10% · SC 9.9%330th of 409 in SC
Rent-burdened renters32.9%
7th
StrengthU.S. 51.1% · SC 52.1%324th of 390 in SC
Diversity index13.4
6th
U.S. 61.4 · SC 54.9389th of 411 in SC
Population3,236
5th
U.S. 334,922,499 · SC 5,296,225264th of 411 in SC
Median household income$34,464
2nd
WeaknessU.S. $80,734 · SC $69,324365th of 383 in SC
Foreign-born residents0.2%
2nd
U.S. 14.1% · SC 5.8%358th of 411 in SC
Median home value$60,000
1st
U.S. $332,700 · SC $259,000375th of 382 in SC

Measure	29321	Union	SC	U.S.	National percentile	Rank in SC
Healthcare workers	47.9%	12.3%	9.5%	9.7%	99th	1st of 409
Veterans	15.6%	7.8%	8.3%	6.2%	98th	21st of 411
Income inequality (Gini)Weakness	0.558	0.469	0.475	0.483	98th	15th of 397
Poverty rateWeakness	33.5%	22.6%	14.1%	12.5%	97th	24th of 401
Residents under 18	31.4%	20.8%	21.4%	22%	97th	14th of 411
Homeownership rateStrength	86.4%	71.3%	71.9%	65.2%	91st	79th of 401
Housing vacancy	17.3%	14.2%	13.3%	10.1%	90th	140th of 402
Unemployment rateWeakness	8.1%	7.9%	4.9%	5.2%	87th	74th of 409
Average commuteWeakness	31.5 min	27.4 min	25.6 min	26.4 min	81st	96th of 394
Uninsured rate	11.2%	10.5%	9.6%	8.4%	77th	127th of 407
Median age	41.7	44.5	40.2	38.9	70th	199th of 411
Government workers	14.1%	15.2%	15.2%	14.5%	53rd	249th of 409
Work from home	12.6%	3.4%	11.5%	15.1%	49th	83rd of 409
Median earnings per worker	$47,589	$37,111	$44,623	$49,666	48th	103rd of 408
Tech workers	2.6%	1.2%	2.6%	3.8%	45th	98th of 409
Residents 65 and older	13.3%	21.6%	18.9%	17.2%	25th	349th of 411
Median gross rent	$904	$804	$1,180	$1,413	14th	207th of 344
Bachelor's degree or higherWeakness	17.2%	15%	32.1%	35.7%	14th	249th of 409
Per capita incomeWeakness	$27,016	$27,229	$39,236	$44,673	12th	304th of 411
Broadband accessWeakness	84.7%	82.3%	88.8%	91%	12th	221st of 401
Population density	82/sq mi	52/sq mi	176/sq mi	95/sq mi	11th	227th of 411
Self-employed workers	5.7%	6.2%	9.9%	10%	8th	330th of 409
Rent-burdened rentersStrength	32.9%	52.5%	52.1%	51.1%	7th	324th of 390
Diversity index	13.4	50.8	54.9	61.4	6th	389th of 411
Population	3,236	26,885	5,296,225	334,922,499	5th	264th of 411
Median household incomeWeakness	$34,464	$41,621	$69,324	$80,734	2nd	365th of 383
Foreign-born residents	0.2%	1.5%	5.8%	14.1%	2nd	358th of 411
Median home value	$60,000	$103,600	$259,000	$332,700	1st	375th of 382

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

24%

5–17

18–24

10%

25–34

13%

35–44

19%

45–54

10%

55–64

65–74

75+

Median age

41.7

Under 18

31.4%

65 and over

13.3%

Race and ethnicity

White93%
Black4%
Hispanic0%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial3%

Diversity index

13.4

U.S. 61.4

Foreign-born

0.2%

U.S. 14.1%

Born in state

75.2%

Language spoken at home (households)

English only

98%

Spanish

Other Indo-European

0.6%

Asian / Pacific

Other

Households

Households: 1,299
Average household size: 2.5
Family households: 62%
Married couples: 27.4%
Living alone: 34.6%
Veterans (of adults): 15.6%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

37%

$25–50k

27%

$50–75k

$75–100k

12%

$100–150k

$150–200k

$200k+

Median household income

29321

$34,464

Union Co.

$41,621

South Carolina

$69,324

United States

$80,734

Per capita income

$27,016

U.S. $44,673

Poverty rate

33.5%

U.S. 12.5%

Households earning $150K+

10.2%

U.S. 23%

Income inequality (Gini)

0.558

U.S. 0.483

Housing

Median home value

29321

$60,000

Union Co.

$103,600

South Carolina

$259,000

United States

$332,700

Median gross rent

29321

$904

Union Co.

$804

South Carolina

$1,180

United States

$1,413

Types of housing

Single-family

65%

2–4 units

5–19 units

20+ units

Mobile home

35%

Boat, RV, van

Housing units: 1,570
Owner-occupied: 86.4%
Vacant: 17.3%
Median year built: 1978
Median rooms: 5.4
Renters paying 30%+ of income: 32.9%
Renters paying 50%+ of income: 21.7%
Home value to income: 1.7× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

73%

Carpooled

13%

Transit

Walked

Bicycle

Worked from home

13%

Other

0.9%

Commute time (one way)

<10 min

10–19

27%

20–29

30–44

32%

45–59

60+

17%

Average commute

31.5 min

U.S. 26.4 min

Unemployment

8.1%

U.S. 5.2%

In labor force

48.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Healthcare

48%

Construction and repair

13%

Office and admin

Transportation and moving

Production

Legal and social services

Cleaning and personal care

Computer and math

Education

Sales

Food service

Management

Business and finance

Engineering and science

Arts, media and sports

Police and fire

Farming, fishing and forestry

Industries

Health care and social assistance

49%

Manufacturing

17%

Public administration

Other services

Admin, support and management

Retail

Construction

Professional and technical services

Education

Information

Restaurants and hotels

Transportation, warehousing and utilities

0.8%

Finance, insurance and real estate

0.7%

Wholesale

Arts and recreation

Agriculture and mining

Median earnings per worker

$47,589

U.S. $49,666

Self-employed

5.7%

U.S. 10%

Government workers

14.1%

U.S. 14.5%

Nonprofit workers

17.4%

U.S. 8.8%

Median earnings by type of work

Type of work	29321	U.S.
Management, business, science and arts	$61,108	$74,888
Service	$13,333	$26,804
Sales and office	$21,515	$40,476
Construction and maintenance	$47,368	$49,199
Production and transportation	$36,188	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

24%

High school

31%

Some college

19%

Associate's

Bachelor's

16%

Graduate

High school graduate or higher: 76.3%
Bachelor's degree or higher: 17.2%
Graduate or professional degree: 1.3%
Households with broadband: 84.7%
Cable, fiber or DSL: 50.7%
No internet access: 8.9%
Without health insurance: 11.2%
Limited-English households: 0%

Geography

City (USPS): Buffalo
State: South Carolina
County: Union County
Center point: 34.7147° N, 81.7411° W
Land area: 39 sq mi
Water area: under 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Buffalo (unincorporated)10% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 29321

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
29374	Pauline, SC	7.8 mi	3,079	$78,397	$247,000
29379	Union, SC	8.1 mi	17,607	$40,879	$109,900
29331	Cross Anchor, SC	8.2 mi	98	—	$91,300
29395	Jonesville, SC · PO box	9.2 mi	—	—	—
29353	Jonesville, SC	9.6 mi	3,675	$64,494	$116,800
29335	Enoree, SC	10 mi	5,472	$52,670	$123,000
29302	Spartanburg, SC	13 mi	19,918	$80,819	$285,400
29372	Pacolet, SC	13 mi	3,552	$46,739	$104,400
29376	Roebuck, SC	13 mi	8,935	$70,645	$234,200
29373	Pacolet Mills, SC	15 mi	320	$62,143	—
29304	Spartanburg, SC · PO box	16 mi	—	—	—
29306	Spartanburg, SC	16 mi	16,714	$41,356	$177,500

Zip codes like 29321 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 29321

What city is zip code 29321?

29321 is assigned to Buffalo, South Carolina. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 29321 in?

29321 is in Union County, South Carolina.

What is the population of 29321?

About 3,236 people live in 29321, according to the Census Bureau's American Community Survey.

What time zone is 29321 in?

29321 is in Eastern Time.

What is the median household income in 29321?

The median household income in 29321 is $34,464.

What zip codes are near 29321?

The closest zip codes to 29321 are 29374, 29379, 29331, 29395, 29353.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 29321, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.