Ranking of Maryland Counties By Total Voting-age Population (18yrs and over) from Census 2020
Updated on August 22, 2023.
According to the data from the US 2020 Census, as at April 2020, among all the counties in Maryland, Montgomery County had the highest voting-age population (18 years and over) (819.12K), followed by Prince George's County (756.05K), and Baltimore County (669.51K).
The chart below shows the top 10 counties with high voting-age population, and the table below shows the ranking of all Maryland counties based on voting-age population.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: Maryland Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Maryland Counties By Total Voting-age Population from Census 2020
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| Rank | County | Voting-age Population |
|---|---|---|
| 1 | Montgomery County | 819119 |
| 2 | Prince George's County | 756049 |
| 3 | Baltimore County | 669511 |
| 4 | Baltimore city | 471700 |
| 5 | Anne Arundel County | 456018 |
| 6 | Howard County | 251136 |
| 7 | Frederick County | 207660 |
| 8 | Harford County | 202309 |
| 9 | Carroll County | 135048 |
| 10 | Charles County | 126667 |
| 11 | Washington County | 121143 |
| 12 | St. Mary's County | 86370 |
| 13 | Wicomico County | 80944 |
| 14 | Cecil County | 80465 |
| 15 | Calvert County | 70925 |
| 16 | Allegany County | 56039 |
| 17 | Worcester County | 43324 |
| 18 | Queen Anne's County | 39108 |
| 19 | Talbot County | 30682 |
| 20 | Dorchester County | 25733 |
| 21 | Caroline County | 25372 |
| 22 | Garrett County | 23335 |
| 23 | Somerset County | 20381 |
| 24 | Kent County | 16164 |