Ranking of Maryland Counties By White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Maryland White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 153,356. Among all Maryland counties, Baltimore County had the highest White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (25,766), followed by Montgomery County (17,192), and Anne Arundel County (15,402).

The chart below shows the top 10 Maryland counties, and the table below shows the ranking of all Maryland counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Maryland Counties By White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Baltimore County
Montgomery County
Anne Arundel County
Baltimore city
Prince George's County
Washington County
Frederick County
Harford County
Carroll County
Cecil County
Ranking of Maryland Counties By White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Number of People
1 Baltimore County 25766
2 Montgomery County 17192
3 Anne Arundel County 15402
4 Baltimore city 11336
5 Prince George's County 10658
6 Washington County 9962
7 Frederick County 8526
8 Harford County 8409
9 Carroll County 6004
10 Cecil County 5696
11 St. Mary's County 4318
12 Wicomico County 4045
13 Howard County 3808
14 Allegany County 3438
15 Charles County 2927
16 Caroline County 2448
17 Calvert County 2098
18 Garrett County 2033
19 Queen Anne's County 1933
20 Worcester County 1931
21 Talbot County 1607
22 Dorchester County 1532
23 Somerset County 1324
24 Kent County 963