Ranking of Maryland Counties By Average Household Income in 2021 (ACS-5Yrs)
Updated on March 13, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the Average Household Income for Maryland was $120,234. Among all Maryland counties, Montgomery County had the highest average household income ($161,149), followed by Howard County ($160,611), and Calvert County ($139,436). On the other hand, the following 3 counties had the lowest average household income: Somerset County ($60,227), Allegany County ($65,335), and Dorchester County ($75,871).
The chart below shows the top 10 Maryland counties with high average household income, and the table below shows the ranking of all Maryland counties.
You can also see similar information for other states and for the United States.
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Related Topics: Maryland ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Maryland Counties By Average Household Income in 2021
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| Rank | County | Average Household Income ($) |
|---|---|---|
| 1 | Montgomery County | 161149 |
| 2 | Howard County | 160611 |
| 3 | Calvert County | 139436 |
| 4 | Anne Arundel County | 135094 |
| 5 | Queen Anne's County | 126888 |
| 6 | Frederick County | 126132 |
| 7 | Charles County | 124385 |
| 8 | Carroll County | 123762 |
| 9 | St. Mary's County | 120986 |
| 10 | Harford County | 118276 |
| 11 | Talbot County | 116514 |
| 12 | Prince George's County | 110651 |
| 13 | Baltimore County | 109376 |
| 14 | Worcester County | 99385 |
| 15 | Cecil County | 97915 |
| 16 | Kent County | 88935 |
| 17 | Washington County | 87252 |
| 18 | Caroline County | 85587 |
| 19 | Garrett County | 83627 |
| 20 | Wicomico County | 81907 |
| 21 | Baltimore city | 79399 |
| 22 | Dorchester County | 75871 |
| 23 | Allegany County | 65335 |
| 24 | Somerset County | 60227 |