ZIP code · Round O · South Carolina · United States
ZIP code 29474 — Round O
ZIP code 29474 serves Round O, South Carolina.
- Postal code
- 29474Single source Value from one source, not cross-checked.
- City
- Round O
- County
- Colleton FIPS 45029
- State
- South Carolina
- Country
- United States
- Coordinates
- 32.9405, -80.5739 — precision precise (locality)
View on OpenStreetMap - Population
- 1,275 (ZCTA, ACS 5-year)
- Population density
- 13 / sq mi
- Land area
- 100.7 sq mi (260.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $39,635
- Per-capita income
- $33,018
- Median age
- 62.2
- Households
- 751
- Housing units
- 988
- Median home value
- $131,300
- Median gross rent
- $956 / month
- Congressional district
- SC-6 (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 843 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 29474 with another ZIP · ZIPs within 25 miles · distance from 29474
Map of ZIP code 29474
Climate — monthly normals
Warmest month Jul (avg high 91°F), coldest Jan (avg low 35°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 62 | 69 | 76 | 83 | 87 | 91 | 89 | 84 | 76 | 68 | 61 |
| Avg low °F | 35 | 38 | 44 | 50 | 60 | 68 | 71 | 70 | 65 | 53 | 42 | 38 |
| Precip in | 4.0 | 3.7 | 3.5 | 3.6 | 3.6 | 5.6 | 5.2 | 7.2 | 4.6 | 3.7 | 3.1 | 3.6 |
NOAA 1991–2020 climate normals from the nearest station: WALTERBORO 1 SW (7.1 mi) · NOAA NCEI
Places in ZIP 29474
- 8 schools
- 1 post offices
- 12 places of worship
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page