29474 ZIP Code — Round O, SC

Colleton County, South Carolina

ZIP code 29474 is located in Round O, South Carolina, within Colleton County. It covers approximately 100.71 square miles and serves a population of 1,487 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 843.

About ZIP code 29474

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $124,500. Owner-occupancy sits near the national average at 67%.

Median household income is $40,613. SNAP benefit usage at 22% of households reflects economic stress in the area. 45% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is natural resources, construction, and trades, with education and healthcare as the leading industry. The average commute of 34 minutes is near the national average.

College attainment at 8% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (16%), smoking (24%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%; and disability rates above the national average at 25%.

Overall, ZIP code 29474 reflects a community defined by a trades-oriented workforce, a strong veteran community, a significant Social Security-dependent population, and elevated reliance on food assistance.

1,487

population

100.71

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

29474 ZIP code map

Cities in ZIP code 29474

Below are the cities the US Postal Service accepts for ZIP code 29474. Using any city not on this list may result in mail delivery delays.

City	Status
Round O	Preferred

Nearby ZIP codes

29435 Cottageville (4 mi) 29488 Walterboro (10.6 mi) 29426 Adams Run (11.8 mi) 29472 Ridgeville (15.5 mi) 29437 Dorchester (16.7 mi) 29446 Green Pond (17.3 mi) 29470 Ravenel (17.3 mi) 29475 Ruffin (17.7 mi) 29477 Saint George (18.4 mi) 29485 Summerville (19.2 mi) 29485 Summerville (19.2 mi)

Demographics updated 05/2026

Population
Total population	1,487
Population density	15 / sq mi
State FIPS	45
County FIPS	029

Geography
Land area	100.71 sq mi
Water area	0.19 sq mi
Latitude	32.9152
Longitude	-80.5171
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	61.6%	65.5%	45.8%
$50k – $100k	35.1%	22.7%	30.5%
$100k – $200k	3.3%	9.2%	18.6%
Over $200k	0.0%	2.5%	5.1%

Demographics & statistics

1,487

Population

People per sq mi

54.1

Median age

$40,613

Median household income

$25,406

Per capita income

$124,500

Median home value

$789

Median monthly rent

67.2%

Home ownership

17.1%

Poverty rate

0.4%

Unemployment

728

Housing units

8.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

120

45–54

137

55–59

60–64

178

65–74

203

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	209	14.1%
18 and over	1,278	85.9%
65 and over	478	32.1%
Median age	54.1 years

Race & ethnicity

White 64.2%

Black or African American 28%

Two or more races 4.2%

Hispanic or Latino 2.4%

Other race 1.2%

Group	Count	%
White	978	64.2%
Black or African American	426	28%
Two or more races	64	4.2%
Hispanic or Latino	36	2.4%
Other race	19	1.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	61.6%	65.5%	45.8%
$50k – $100k	35.1%	22.7%	30.5%
$100k – $200k	3.3%	9.2%	18.6%
Over $200k	0.0%	2.5%	5.1%

Under $10k 13.2%

$10k–$15k 1.1%

$15k–$25k 10.3%

$25k–$35k 15.4%

$35k–$50k 19.3%

$50k–$75k 17.2%

$75k–$100k 10.7%

$100k–$150k 12.8%

Range	% of households
Under $10k	13.2%
$10k–$15k	1.1%
$15k–$25k	10.3%
$25k–$35k	15.4%
$35k–$50k	19.3%
$50k–$75k	17.2%
$75k–$100k	10.7%
$100k–$150k	12.8%
Median income	$40,613

Housing

Home values

Under $50k 4.0%

$50k–$100k 21.8%

$100k–$150k 28.2%

$150k–$200k 16.2%

$200k–$300k 20.8%

$300k–$500k 9.0%

Housing overview

Metric	Value
Median home value	$124,500
Median rent / month	$789
Owner occupied	67.2%
Renter occupied	32.8%
Vacant	17.4%
Single-family detached	59.1%
Large apartment buildings	0.0%
Mobile homes	40.9%
Median rooms	6.0
Avg household size (owned)	1.70

Year built

Era	%
2020 or later	0.7%
2010–2019	4.9%
2000–2009	20.2%
1990–1999	13.4%
1980–1989	17.4%
1970–1979	19.2%
1960–1969	11.7%
1950–1959	7.7%
1940–1949	0.0%
1939 or earlier	4.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	23.5%
3 bedrooms	57.6%
4 bedrooms	14.0%
5+ bedrooms	4.9%

Vehicles per household

Vehicles	% of households
No vehicle	13.9%
1 vehicle	31.4%
2 vehicles	21.5%
3 or more	33.2%

Heating fuel

Fuel type	%
Utility gas	7.4%
Electricity	76.8%
Propane / LP gas	12.0%
Wood	3.8%

Households & families

Household type	Count	%
Married-couple family	301	36.5%
Cohabiting couple	93	11.3%
Male householder, no spouse	178	21.6%
Female householder, no spouse	253	30.7%
Households with children under 18	110	13.3%
Households with seniors (65+)	328	39.8%
Average household size	1.79

Marital status

Status	Male	Female
Never married	19.4%	5.9%
Married	42.4%	44.4%
Separated	0.0%	1.2%
Widowed	4.8%	25.2%
Divorced	33.4%	23.3%

Education

Less than 9th grade 2.7%

Some HS, no diploma 12.9%

HS graduate 40.9%

Some college, no degree 24.5%

Associate's degree 10.7%

Bachelor's degree 3.4%

Graduate / professional 4.9%

Metric	%
HS diploma or higher	84.4%
Bachelor's or higher	8.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	105	75.0%
High school	15	10.7%
College / grad school	20	14.3%

Employment

Industry of employment

Education & healthcare 24.8%

Transportation & utilities 13.5%

Construction 12.0%

Professional & management 12.0%

Retail trade 11.7%

Other services 10.6%

Manufacturing 5.6%

Finance & real estate 5.4%

Public administration 2.4%

Arts, food & hospitality 2.0%

Occupation

Category	%
Management, business & arts	25.7%
Service	11.7%
Sales & office	26.3%
Natural resources & construction	28.9%
Production & transportation	7.4%

Employment type

Type	%
Private sector	88.9%
Government	11.1%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	90.2%
Carpool	3.3%
Public transit	0.0%
Walk	3.0%
Work from home	0.0%
Other means	3.5%
Avg commute (minutes)	34.3

Poverty

All people 17.1%

Under 18 years 4.3%

18 and over 19.2%

Married-couple families 20.3%

Female-led households 7.5%

Income support

Source	% of households
Social Security	45.3%
Retirement income	19.0%
Supplemental Security	6.5%
Cash public assistance	0.0%
Food stamps / SNAP	21.7%

Health indicators

Condition	%
Obesity	39.8%
High blood pressure	44.7%
High cholesterol	37.5%
Diabetes	15.8%
Heart disease	8.5%
Stroke	4.8%
Asthma	10.8%
Arthritis	33.1%
Kidney disease	3.9%
Pulmonary disease	10.3%
Cancer	6.9%

Behavior / access	%
Smoking	24.0%
Binge drinking	15.6%
No physical activity	31.6%
Less than 7 hrs sleep	38.1%
Depression	22.7%
Fair or poor health	21.7%
Poor mental health	16.2%
Poor physical health	14.7%
No health insurance	18.6%
Visited doctor (checkup)	78.6%
Visited dentist	58.8%
Cholesterol screening	89.3%
Teeth loss	20.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	171	13.4%

Disability	%
Any disability	25.4%
Under 18	4.3%
18–64 years	30.3%
65 and over	26.4%

Health insurance coverage

Type	%
Private insurance	61.1%
Public insurance	47.6%
No insurance	6.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,434	96.4%
Spanish	17	1.2%
Other Indo-European	17	1.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,431	96.2%
Born in same state	1,430	96.2%
Born in different state	1,182	79.5%
Foreign born	1	0.1%
Naturalized citizen	56	3.8%
Not a US citizen	30	53.6%

Ancestry

Ancestry	Count	%
French	154	10.4%
Arab	77	5.2%

Ancestry	Count	%
Italian	68	4.6%
Polish	11	0.7%

Technology access

Metric	% of households
Computer access	55.5%
Internet access	88.5%

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

Frequently asked questions about ZIP code 29474

What city is ZIP code 29474 in?

ZIP code 29474 is primarily assigned to Round O, South Carolina.

What county is ZIP code 29474 in?

ZIP code 29474 falls within Colleton County, South Carolina.

Does ZIP code 29474 have an older population?

32% of residents in ZIP code 29474 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 29474?

8% 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 29474 have a large retiree population?

45% of households in ZIP code 29474 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 29474?

17% of residents in ZIP code 29474 live below the poverty line, above the national average.

What timezone is ZIP code 29474 in?

ZIP code 29474 observes the EST timezone.