ZIP codes
9
Carroll County, MD Demographics & ZIP Codes
Carroll County, Maryland demographics and median household income by ZIP code — 9 ZIP codes — population 157,920 — avg. income $110,590 — avg. home value $398,722. Compare income, housing, and ZIP-level data on US5.
Population
157,920
Median household income (avg.)
$110,590
147% of U.S. median
Average home value
$398,722
115% of U.S. median
Average rent
$1,127
97% of U.S. median
Carroll County demographics
Carroll County, Maryland covers 9 ZIP codes, with a combined ZIP-area population of about 157,920.
Median household income in Carroll County
The average median household income across ZIP codes in Carroll County, Maryland is about $110,590 — about even with the MD ZIP average ($111,660), and about 47% above the U.S. median ($75,149).
Among ZIPs with income data, 21784 (Eldersburg) is near the top at about $141,228, while 21787 (Taneytown) is near the bottom at about $88,212.
Housing in Carroll County
For housing in Carroll County, Maryland, the average median home value is about $398,722 and the average median rent is about $1,127.
The most populous ZIP is 21157 (Westminster) with about 40,191 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Carroll County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| City | County | State | ||||
|---|---|---|---|---|---|---|
| 21157 | Westminster | Carroll County | MD | 40,191 | $102,835 | $394,100 |
| 21784 | Eldersburg | Carroll County | MD | 37,813 | $141,228 | $478,200 |
| 21158 | Westminster | Carroll County | MD | 22,404 | $108,795 | $375,100 |
| 21074 | Hampstead | Carroll County | MD | 15,070 | $101,462 | $349,900 |
| 21102 | Manchester | Carroll County | MD | 12,176 | $119,535 | $374,600 |
| 21787 | Taneytown | Carroll County | MD | 11,549 | $88,212 | $344,800 |
| 21048 | Eldersburg | Carroll County | MD | 10,002 | $122,801 | $423,900 |
| 21776 | New Windsor | Carroll County | MD | 5,905 | $111,923 | $433,600 |
| 21757 | — | Carroll County | MD | 2,810 | $98,520 | $414,300 |
Frequently asked questions
What are the demographics of Carroll County?
Carroll County, Maryland has a combined ZIP-area population of about 157,920 across 9 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Carroll County?
The average median household income across ZIP codes in Carroll County, Maryland is about $110,590, roughly in line with the state ZIP average ($111,660), and about 47% above the U.S. median ($75,149). Average median home value is about $398,722. Among ZIPs with data, 21784 (Eldersburg) is near the top ($141,228) and 21787 (Taneytown) is near the bottom ($88,212).
How many ZIP codes are in Carroll County?
Carroll County, Maryland includes 9 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Carroll County?
This page lists ZIP codes in Carroll County, Maryland with population, median household income, and home value. Select a ZIP for a full demographics profile.