Carroll
Source:
Maryland
Carroll is a mid-size county in Maryland with 10 ZIP codes, 158,890 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Carroll, MD sits among US counties with a top-decile household income, on a mid-size county population base, across a compact ZIP cluster.
- Top 2%
- household income vs 3,210 US counties
- 158,890
- combined ZIP population
- 10
- USPS ZIP codes covered
- $123,962
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Carroll lands in the national county income distribution as top-decile household income on mid-size county footing (FIPS 24013, 10 ZIPs, combined population 158,890). Sort the ZIP table by population before treating the county mean as uniform.
Upper-income footing across a mid-size ZIP set (10 codes). Sibling delivery areas are close enough that a two-ZIP compare usually separates the county seat from outlying tracts without leaving Carroll. Use the density column to spot the urban core before jumping to HUD/FBI county overlays.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
10
Total ZIPs
158,890
Total Population
ZIP Codes in Carroll
Side-by-side: Compare 21784 vs 21157 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 21784 | Sykesville | 37,941 | 255 |
| 21157 | Westminster | 36,920 | 186 |
| 21158 | Westminster | 20,234 | 105 |
| 21074 | Hampstead | 15,084 | 155 |
| 21102 | Manchester | 11,751 | 112 |
| 21787 | Taneytown | 10,693 | 72 |
| 21048 | Finksburg | 10,650 | 152 |
| 21776 | New Windsor | 5,735 | 63 |
| 21791 | Union Bridge | 5,281 | 41 |
| 21104 | Marriottsville | 4,601 | 105 |
Frequently Asked Questions
What is the population of Carroll?
Carroll has a total population of 158,890 across 10 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Carroll?
Carroll includes 10 ZIP codes: 21784, 21157, 21158, 21074, 21102, 21787, 21048, 21776, 21791, 21104.