Residential delivery area · South Carolina
ZIP Code 29821: Clarks Hill, SC
ZIP code 29821 uses the postal name Clarks Hill, South Carolina and lies mostly in Edgefield County (53% of its land) with the rest in McCormick County (Census 2020 ZIP-county file). About 1,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $81,000 (Census Bureau, ACS 2020-2024). By Census place, 6% of its land lies in Clarks Hill (a census-designated place); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Clarks Hill · its only residential ZIP
- County
- Edgefield County (53%); McCormick County (47%)
- Census places
- Clarks Hill census-designated place
- Metro area
- Augusta-Richmond County, GA-SC
- House district
- SC-3 119th Congress
- State
- South Carolina
- Time zone
- Eastern
- Land area
- 55.2 sq mi · 21 people per sq mi
Where is ZIP code 29821?
29821 centers on 33.637°, -82.115° and covers 55.2 square miles of land plus 5.1 of water. It borders 7 ZIP codes: 30809, 29860, 29838, 30907, 30802, 29824, 30817.
The map draws ZIP code areas only. For the streets inside 29821, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 29821 compare with the rest of Edgefield County?
| Measure | 29821 | In Edgefield County | In SC |
|---|---|---|---|
| People (ACS 2020-2024) | 1,141 | 7th of 9 | 348th of 424 |
| Median household income | $81k | not ranked | not ranked |
| Median home value | $278k | 1st of 5 | 72nd of 260 |
29821's median household income is not ranked: its 90% margin of error (±$20,627) is more than a quarter of the figure ($81,000). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 27% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 29821?
The 2020 Census counted 1,368 people in 29821; the ACS, which samples households over 2020-2024, estimates 1,141. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,141±427 (90% margin)
- 2020 Census count
- 1,368
- Households
- 336
- Median age
- 39.5
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 29821?
Of the 1,141 people the ACS estimates in 29821, 20.6% are under 18 and 22.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.1%).
- Under 1820.6%
- 18 to 6456.9%
- 65 and older22.5%
- White, not Hispanic88.1%
- Black, not Hispanic7.2%
- Hispanic or Latino4.5%
- Other or two or more0.3%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 29821 earn?
Median household income is $81,000 (ACS 2020-2024).
- Median household income
- $81,000±$20,627
- Income per person
- $26,464
- Below the poverty line
- 30.9%
- Unemployed (of the labor force)
- 3.6%
- Adults 25+ with a bachelor's degree
- 15.3%
- Adjusted gross income per tax return, 2022
- $86,704680 returns; wages 64% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 29821?
- Median home value (owners' estimate)
- $277,800
- Median gross rent
- –
- Homes owned by their occupants
- 94.0%
- Housing units
- 530
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 29821?
13 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in administrative and support and waste management and remediation services (ZIP Code Business Patterns).
- Administrative and support and waste management and remediation services3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 29821?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 30809 | Evans, GA | 54,743 | $125k | 6.3 mi |
| 29860 | North Augusta | 18,201 | $97k | 7.7 mi |
| 29838 | Modoc | 830 | $98k | 7.9 mi |
| 30907 | Augusta, GA | 46,975 | $82k | 8.0 mi |
| 30802 | Appling, GA | 6,582 | $86k | 10.9 mi |
| 29824 | Edgefield | 7,789 | $56k | 14.1 mi |
| 30817 | Lincolnton, GA | 7,560 | $57k | 20.6 mi |
| 30909 | Augusta, GA | 46,501 | $71k | 11.6 mi (near) |
| 29844 | Parksville | 111 | – | 11.7 mi (near) |
| 30904 | Augusta, GA | 23,400 | $47k | 12.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.