since 1900
Montgomery County, Maryland
Year |
Estimated Population |
Change |
1900* |
30,451 |
n/a |
1910* |
32,089 |
1,638 |
1920* |
34,921 |
2,832 |
1930* |
49,206 |
14,285 |
1940* |
83,912 |
34,706 |
1950* |
164,401 |
80,489 |
1960* |
340,928 |
176,527 |
1970* |
522,809 |
181,881 |
1971 |
530,900 |
8,091 |
1972 |
544,900 |
14,000 |
1973 |
561,100 |
16,200 |
1974 |
579,600 |
18,500 |
1975 |
589,400 |
9,800 |
1976 |
585,800 |
-3,600 |
1977 |
581,100 |
-4,700 |
1978 |
579,100 |
-2,000 |
1979 |
578,300 |
-800 |
1980* |
579,053 |
753 |
1981 |
582,500 |
3,447 |
1982 |
586,500 |
4,000 |
1983 |
590,000 |
3,500 |
1984 |
604,000 |
14,000 |
1985 |
628,000 |
24,000 |
1986 |
645,000 |
17,000 |
1987 |
680,000 |
35,000 |
1988 |
710,000 |
30,000 |
1989 |
735,000 |
25,000 |
1990* |
757,027 |
22,027 |
1991 |
764,600 |
7,573 |
1992 |
775,100 |
10,500 |
1993 |
786,200 |
11,100 |
1994 |
795,900 |
9,700 |
1995 |
804,600 |
8,700 |
1996 |
814,100 |
9,500 |
1997 |
827,200 |
13,100 |
1998 |
841,500 |
14,300 |
1999 |
855,000 |
13,500 |
2000* |
873,341 |
18,341 |
2001 |
885,000 |
11,659 |
2002 |
902,000 |
17,000 |
2003 |
917,000 |
15,000 |
2004 |
929,000 |
12,000 |
2005 |
938,000 |
9,000 |
2006 |
947,000 |
9,000 |
2007 |
956,000 |
9,000 |
| Source: M-NCPPC Research & Technology Center; U.S. Census (years marked with *) Updated April, 2007. |
| Note: U.S. Census data are for April 1 and M-NCPPC estimates are for January 1 of the reported year. |
Return to the Estimates page.
For more information on Montgomery County population, please visit the Population page.
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