Montgomery County Planning Department

Median Age for Montgomery County Region Jurisdictions, 1950 - 2000
Jurisdictions
1950
1960
1970
1980
1990
2000
Anne Arundel County, MD

26.5

25.4

25.4

29.3

32.7

36.0
Frederick County, MD

29.4

28.6

27.3

29.6

32.3

35.6
Montgomery County, MD

29.5

28.1

27.9

32.1

33.9

36.8
Prince George's County, MD

26.5

25.2

24.3

27.6

30.8

34.0
Arlington County, VA

30.0

30.8

29.9

32.7

33.7

34.4
Alexandria (city), VA

30.7

28.0

27.3

31.6

33.3

35.9
Fairfax County, VA

26.8

24.5

25.2

30.4

33.1

33.6
Loudoun County, VA

28.2

28.0

26.5

29.6

31.6

31.9
Prince William County, VA

24.9

22.3

21.6

25.9

29.0

35.0
District of Columbia

32.6

32.2

28.5

31.2

33.4

34.6

Source: U.S. Bureau of the Census; Montgomery Department of Park and Planning, Research and Technology Center, revised May 2001.