Population of Maryland 2021

Population

5,938,737 people live in Maryland (as of 2013), of which 53.3% white, 30.1% black, 9.0% Hispanics, 6.1% Asians, 0.6% Indians.

Ancestry

The most commonly reported ancestors of Maryland residents are: German (15%), Irish (11%), English (8%), American (7%), Italian (6%), and Polish (3%).

Many immigrants from the Horn of Africa have settled in Maryland, with large communities in the suburbs of Washington DC (particularly Montgomery Counties and Prince George’s Counties) and the city of Baltimore. The Washington metropolitan area has the largest population of Ethiopians outside of Africa.

Religion

69 percent of the Maryland population identify as Christian. The largest religious groups in Maryland in 2010 were: the Catholic Church with 837,338 followers in Maryland, followed by non-denominational Evangelical Protestants with 298,921 members and the United Methodist Church with 238,774. The Southern Baptist Convention has 150,345 members. Judaism is the largest non-Christian religion in Maryland with 241,000 followers, or 4 percent of the total population. The World Headquarters of the Seven-Day Adventist Church and the national headquarters of the Ahmadiyya Muslims are located in Silver Spring, just outside the District of Columbia.

The English colony of Maryland of George Calvert was intended as a refuge for English Catholics. Baltimore was the seat of the first Catholic bishop in the United States. Despite its historical relevance to the Catholic Church in the United States, the percentage of Catholics in the state of Maryland is below the national average of 20%. Demographically, both Protestants and non-religious people are more numerous than Catholics.

Top Counties by Population in Maryland

Rank County Name Population Population Density (per kmĀ²)
1 Montgomery County 1,004,720 765.21
2 Prince George’s County 881,149 683.06
3 Baltimore County 817,466 462.89
4 Baltimore City 621,353 2,610.73
5 Anne Arundel County 550,499 361.46
6 Howard County 299,441 455.08
7 Harford County 248,633 182.15
8 Frederick County 239,593 138.65
9 Carroll County 167,228 142.81
10 Charles County 150,603 90.45
11 Washington County 149,191 123.09
12 St. Mary’s County 108,998 68.90
13 Cecil County 101,707 93.91
14 Wicomico County 100,658 97.16
15 Calvert County 89,639 100.27
16 Allegany County 74,023 66.45
17 Worcester County 51,589 28.66
18 Queen Anne’s County 48,606 36.79
19 Talbot County 38,109 30.86
20 Caroline County 32,729 38.78
21 Dorchester County 32,562 23.28
22 Garrett County 29,865 17.58
23 Somerset County 26,264 16.60
24 Kent County 20,202 18.85

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