Dorchester County, MD Demographics & ZIP Codes
Dorchester County, Maryland demographics and median household income by ZIP code — 16 ZIP codes — population 31,123 — avg. income $69,274 — avg. home value $286,254. Compare income, housing, and ZIP-level data on US5.
Dorchester County demographics
Dorchester County, Maryland covers 16 ZIP codes, with a combined ZIP-area population of about 31,123.
Median household income in Dorchester County
The average median household income across ZIP codes in Dorchester County, Maryland is about $69,274 — about 38% below the MD ZIP average ($111,660), and about 8% below the U.S. median ($75,149).
Among ZIPs with income data, 21677 (Madison) is near the top at about $112,578, while 21675 is near the bottom at about $23,958.
Housing in Dorchester County
For housing in Dorchester County, Maryland, the average median home value is about $286,254 and the average median rent is about $1,239.
The most populous ZIP is 21613 (Cambridge) with about 18,167 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 |
|---|---|---|---|---|---|---|
| 21613 | Cambridge | Dorchester County | MD | 18,167 | $53,171 | $279,700 |
| 21643 | Hurlock | Dorchester County | MD | 5,176 | $61,708 | $220,000 |
| 21631 | East New Market | Dorchester County | MD | 2,580 | $69,095 | $307,800 |
| 21659 | Galestown | Dorchester County | MD | 1,480 | $68,889 | $202,100 |
| 21869 | Vienna | Dorchester County | MD | 889 | $66,484 | $202,900 |
| 21664 | Secretary | Dorchester County | MD | 598 | $68,333 | $172,100 |
| 21677 | Madison | Dorchester County | MD | 534 | $112,578 | $439,300 |
| 21634 | Fishing Creek | Dorchester County | MD | 394 | $58,750 | $275,000 |
| 21835 | — | Dorchester County | MD | 390 | $50,380 | — |
| 21622 | Fishing Creek | Dorchester County | MD | 335 | $69,792 | $247,600 |
| 21672 | — | Dorchester County | MD | 161 | $80,385 | $85,300 |
| 21626 | — | Dorchester County | MD | 145 | — | $708,300 |
| 21648 | Madison | Dorchester County | MD | 104 | — | $171,200 |
| 21669 | Taylors Island | Dorchester County | MD | 102 | $104,750 | $410,000 |
| 21675 | — | Dorchester County | MD | 43 | $23,958 | — |
| 21627 | — | Dorchester County | MD | 25 | $81,563 | — |
Frequently asked questions
What are the demographics of Dorchester County?
Dorchester County, Maryland has a combined ZIP-area population of about 31,123 across 16 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, Maryland is about $69,274, about 38% below the state ZIP average ($111,660), and about 8% below the U.S. median ($75,149). Average median home value is about $286,254. Among ZIPs with data, 21677 (Madison) is near the top ($112,578) and 21675 is near the bottom ($23,958).
How many ZIP codes are in Dorchester County?
Dorchester County, Maryland includes 16 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, Maryland with population, median household income, and home value. Select a ZIP for a full demographics profile.