Dorchester County, SC Demographics & ZIP Codes
Dorchester County, South Carolina demographics and median household income by ZIP code — 8 ZIP codes — population 163,283 — avg. income $64,468 — avg. home value $212,925. Compare income, housing, and ZIP-level data on US5.
Dorchester County demographics
Dorchester County, South Carolina covers 8 ZIP codes, with a combined ZIP-area population of about 163,283.
Median household income in Dorchester County
The average median household income across ZIP codes in Dorchester County, South Carolina is about $64,468 — about 5% above the SC ZIP average ($61,613), and about 14% below the U.S. median ($75,149).
Among ZIPs with income data, 29485 (North Charleston) is near the top at about $83,287, while 29471 (Reevesville) is near the bottom at about $32,029.
Housing in Dorchester County
For housing in Dorchester County, South Carolina, the average median home value is about $212,925 and the average median rent is about $833.
The most populous ZIP is 29485 (North Charleston) with about 58,670 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Dorchester County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 29485 | North Charleston | Dorchester County | SC | 58,670 | $83,287 | $311,300 |
| 29483 | Summerville | Dorchester County | SC | 56,979 | $82,194 | $303,400 |
| 29420 | North Charleston | Dorchester County | SC | 23,311 | $69,043 | $283,900 |
| 29472 | Ridgeville | Dorchester County | SC | 11,531 | $73,207 | $246,000 |
| 29477 | St. George | Dorchester County | SC | 6,949 | $57,581 | $75,300 |
| 29437 | — | Dorchester County | SC | 2,287 | $56,086 | $181,900 |
| 29448 | Harleyville | Dorchester County | SC | 2,224 | $62,315 | $185,500 |
| 29471 | Reevesville | Dorchester County | SC | 1,332 | $32,029 | $116,100 |
Frequently asked questions
What are the demographics of Dorchester County?
Dorchester County, South Carolina has a combined ZIP-area population of about 163,283 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Dorchester County?
The average median household income across ZIP codes in Dorchester County, South Carolina is about $64,468, about 5% above the state ZIP average ($61,613), and about 14% below the U.S. median ($75,149). Average median home value is about $212,925. Among ZIPs with data, 29485 (North Charleston) is near the top ($83,287) and 29471 (Reevesville) is near the bottom ($32,029).
How many ZIP codes are in Dorchester County?
Dorchester County, South Carolina includes 8 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Dorchester County?
This page lists ZIP codes in Dorchester County, South Carolina with population, median household income, and home value. Select a ZIP for a full demographics profile.