Maryland Non-Hispanic White Alone Citizen Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the Non-Hispanic White Alone citizen population for Maryland was 3,187,680 and represented 57.30% of the total Maryland citizen population.

Among all Maryland counties, Baltimore had the highest Non-Hispanic White Alone citizen population (475.17K), followed by Montgomery (445.23K), and Anne Arundel (388.86K).

In terms of percentages, Garrett had the highest percentage of its citizen population being Non-Hispanic White Alone (96.77%), followed by Carroll (90.64%), and Queen Anne's (88.02%).

The chart and table below shows the Non-Hispanic White Alone citizen population of each county and the percentage of each county's citizen population that were Non-Hispanic White Alone.

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

You can also see similar information for other ethnicities.

See this for other years:
Maryland Non-Hispanic White Alone Citizen Population By County in 2018
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County Citizen Population % of County Citizen Population
Baltimore 475170 60.91
Montgomery 445225 50.31
Anne Arundel 388855 71.19
Harford 191550 77.72
Frederick 182910 77.62
Baltimore city 165490 28.29
Howard 164825 57.01
Carroll 149590 90.64
Washington 118765 81.13
Prince George's 115690 14.64
Cecil 87105 86.28
St. Mary's 82775 75.86
Calvert 71300 79.10
Charles 65210 42.37
Wicomico 64365 66.35
Allegany 62470 87.84
Queen Anne's 42540 88.02
Worcester 40875 81.03
Talbot 28870 80.43
Garrett 28345 96.77
Caroline 24865 78.32
Dorchester 20445 64.70
Kent 15105 79.61
Somerset 13065 52.18