29546 ZIP Code — Gresham, SC

Marion County, South Carolina

ZIP code 29546 is located in Gresham, South Carolina, within Marion County. It covers approximately 142.48 square miles and serves a population of 2,615 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 843.

About ZIP code 29546

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $107,500. Owner-occupancy sits near the national average at 68%.

Median household income is $26,673. Poverty affects 36% of residents, above the national average. SNAP benefit usage at 19% of households reflects economic stress in the area. 41% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.

College attainment at 12% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (46%), diabetes (17%), smoking (25%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 23%.

Overall, ZIP code 29546 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

2,615

population

142.48

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

29546 ZIP code map

Cities in ZIP code 29546

Below are the cities the US Postal Service accepts for ZIP code 29546. Using any city not on this list may result in mail delivery delays.

City	Status
Gresham	Acceptable
Gresham	Preferred

Nearby ZIP codes

29555 Johnsonville (7 mi) 29554 Hemingway (11.9 mi) 29544 Galivants Ferry (13.3 mi) 29527 Conway (13.5 mi) 29583 Pamplico (14.8 mi) 29511 Aynor (15.6 mi) 29571 Marion (18.9 mi)

Demographics updated 05/2026

Population
Total population	2,615
Population density	18 / sq mi
State FIPS	45
County FIPS	067

Geography
Land area	142.48 sq mi
Water area	3.22 sq mi
Latitude	33.8646
Longitude	-79.3537
Timezone	Eastern (ET)
Area code	843

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.8%	70.0%	45.8%
$50k – $100k	23.5%	21.9%	30.5%
$100k – $200k	9.2%	7.6%	18.6%
Over $200k	0.4%	0.5%	5.1%

Demographics & statistics

2,615

Population

People per sq mi

46.1

Median age

$26,673

Median household income

$19,992

Per capita income

$107,500

Median home value

$642

Median monthly rent

67.8%

Home ownership

36.1%

Poverty rate

4.0%

Unemployment

979

Housing units

12.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

196

10–14

263

15–19

20–24

25–34

101

119

35–44

160

142

45–54

190

122

55–59

164

60–64

171

65–74

230

75–84

124

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	558	21.3%
18 and over	2,057	78.7%
65 and over	628	24.0%
Median age	46.1 years

Race & ethnicity

Black or African American 46.3%

White 30.1%

Hispanic or Latino 11.7%

Other race 11.7%

Two or more races 0.2%

Group	Count	%
Black or African American	1,372	46.3%
White	892	30.1%
Hispanic or Latino	346	11.7%
Other race	346	11.7%
Two or more races	5	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.8%	70.0%	45.8%
$50k – $100k	23.5%	21.9%	30.5%
$100k – $200k	9.2%	7.6%	18.6%
Over $200k	0.4%	0.5%	5.1%

Under $10k 10.5%

$10k–$15k 19.5%

$15k–$25k 15.7%

$25k–$35k 8.4%

$35k–$50k 10.7%

$50k–$75k 11.1%

$75k–$100k 13.8%

$100k–$150k 9.3%

$150k–$200k 1.1%

Range	% of households
Under $10k	10.5%
$10k–$15k	19.5%
$15k–$25k	15.7%
$25k–$35k	8.4%
$35k–$50k	10.7%
$50k–$75k	11.1%
$75k–$100k	13.8%
$100k–$150k	9.3%
$150k–$200k	1.1%
Median income	$26,673

Housing

Home values

Under $50k 29.1%

$50k–$100k 15.1%

$100k–$150k 21.0%

$150k–$200k 9.8%

$200k–$300k 15.7%

$300k–$500k 5.5%

$500k–$1M 3.8%

Housing overview

Metric	Value
Median home value	$107,500
Median rent / month	$642
Owner occupied	67.8%
Renter occupied	32.2%
Vacant	22.4%
Single-family detached	51.3%
Large apartment buildings	0.0%
Mobile homes	48.7%
Median rooms	5.8
Avg household size (owned)	2.55

Year built

Era	%
2020 or later	2.9%
2010–2019	14.4%
2000–2009	14.1%
1990–1999	24.4%
1980–1989	13.2%
1970–1979	13.2%
1960–1969	8.6%
1950–1959	7.1%
1940–1949	1.2%
1939 or earlier	0.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.1%
2 bedrooms	20.7%
3 bedrooms	59.9%
4 bedrooms	15.0%
5+ bedrooms	1.2%

Vehicles per household

Vehicles	% of households
No vehicle	5.1%
1 vehicle	43.2%
2 vehicles	26.2%
3 or more	25.5%

Heating fuel

Fuel type	%
Utility gas	0.9%
Electricity	87.5%
Propane / LP gas	7.6%
Fuel oil	1.7%
Wood	2.4%

Households & families

Household type	Count	%
Married-couple family	381	37.6%
Cohabiting couple	32	3.2%
Male householder, no spouse	214	21.1%
Female householder, no spouse	386	38.1%
Households with children under 18	245	24.2%
Households with seniors (65+)	394	38.9%
Average household size	2.58

Marital status

Status	Male	Female
Never married	44.2%	36.4%
Married	43.1%	38.1%
Separated	2.3%	1.1%
Widowed	4.7%	8.9%
Divorced	5.8%	15.5%

Education

Less than 9th grade 7.2%

Some HS, no diploma 15.1%

HS graduate 47.1%

Some college, no degree 14.1%

Associate's degree 4.3%

Bachelor's degree 7.1%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	77.7%
Bachelor's or higher	12.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	1	0.2%
Elementary school	385	59.4%
High school	104	16.0%
College / grad school	158	24.4%

Employment

Industry of employment

Education & healthcare 27.1%

Manufacturing 17.9%

Retail trade 9.9%

Construction 9.1%

Public administration 7.0%

Arts, food & hospitality 6.8%

Transportation & utilities 6.7%

Other services 5.4%

Agriculture & mining 4.9%

Professional & management 2.5%

Finance & real estate 1.5%

Wholesale trade 0.8%

Information 0.5%

Occupation

Category	%
Management, business & arts	21.0%
Service	21.5%
Sales & office	14.3%
Natural resources & construction	12.6%
Production & transportation	30.6%

Employment type

Type	%
Private sector	71.2%
Government	25.9%
Self-employed	2.5%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	87.6%
Carpool	11.4%
Public transit	0.0%
Walk	0.0%
Work from home	1.0%
Other means	0.0%
Avg commute (minutes)	32.6

Poverty

All people 36.1%

Under 18 years 66.7%

18 and over 27.9%

Married-couple families 19.4%

Female-led households 30.5%

Income support

Source	% of households
Social Security	40.7%
Retirement income	17.2%
Supplemental Security	12.7%
Cash public assistance	0.0%
Food stamps / SNAP	18.5%

Health indicators

Condition	%
Obesity	46.3%
High blood pressure	45.4%
High cholesterol	35.6%
Diabetes	16.9%
Heart disease	7.8%
Stroke	5.1%
Asthma	11.6%
Arthritis	31.7%
Kidney disease	4.0%
Pulmonary disease	9.5%
Cancer	5.8%

Behavior / access	%
Smoking	24.9%
Binge drinking	14.5%
No physical activity	34.9%
Less than 7 hrs sleep	40.4%
Depression	22.1%
Fair or poor health	24.1%
Poor mental health	16.8%
Poor physical health	15.0%
No health insurance	23.7%
Visited doctor (checkup)	80.9%
Visited dentist	53.5%
Cholesterol screening	88.3%
Teeth loss	24.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	107	5.2%

Disability	%
Any disability	22.8%
Under 18	2.7%
18–64 years	18.0%
65 and over	51.6%

Health insurance coverage

Type	%
Private insurance	38.0%
Public insurance	61.6%
No insurance	11.7%
Uninsured under 19	4.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,574	98.4%
Spanish	42	1.6%
Other Indo-European	42	1.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,573	98.4%
Born in same state	2,573	98.4%
Born in different state	2,149	82.2%
Foreign born	0	0.0%
Naturalized citizen	42	1.6%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	161	6.2%
Arab	137	5.2%

Ancestry	Count	%
Italian	23	0.9%

Technology access

Metric	% of households
Computer access	38.7%
Internet access	74.7%

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

Frequently asked questions about ZIP code 29546

What city is ZIP code 29546 in?

ZIP code 29546 is primarily assigned to Gresham, South Carolina.

What county is ZIP code 29546 in?

ZIP code 29546 falls within Marion County, South Carolina.

What is the poverty rate in ZIP code 29546?

36% of residents in ZIP code 29546 live below the poverty line, above the national average.

How educated is the population of ZIP code 29546?

12% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 29546 have a large retiree population?

41% of households in ZIP code 29546 receive Social Security income, suggesting a significant retiree or disability population.

What are the health statistics for ZIP code 29546?

Health data for ZIP code 29546 shows elevated rates of obesity (46%) and diabetes (17%) and smoking (25%) compared to national benchmarks.

What timezone is ZIP code 29546 in?

ZIP code 29546 observes the EST timezone.