| 1950 | 1,298,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1951 | 1,343,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1952 | 1,390,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1953 | 1,438,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1954 | 1,487,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1955 | 1,539,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1956 | 1,592,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1957 | 1,647,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1958 | 1,704,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1959 | 1,763,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1960 | 1,823,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1961 | 1,881,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1962 | 1,942,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1963 | 2,004,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1964 | 2,069,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1965 | 2,135,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1966 | 2,204,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1967 | 2,275,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1968 | 2,348,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1969 | 2,423,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1970 | 2,488,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1971 | 2,515,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1972 | 2,542,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1973 | 2,570,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1974 | 2,597,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1975 | 2,626,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1976 | 2,654,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1977 | 2,683,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1978 | 2,712,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1979 | 2,741,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1980 | 2,777,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1981 | 2,832,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1982 | 2,888,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1983 | 2,945,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1984 | 3,004,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1985 | 3,063,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1986 | 3,124,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1987 | 3,186,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1988 | 3,249,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1989 | 3,314,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1990 | 3,376,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1991 | 3,430,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1992 | 3,484,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1993 | 3,539,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1994 | 3,595,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1995 | 3,651,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1996 | 3,709,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1997 | 3,768,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1998 | 3,827,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 1999 | 3,888,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2000 | 3,949,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2001 | 4,010,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2002 | 4,072,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2003 | 4,135,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2004 | 4,199,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2005 | 4,264,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2006 | 4,330,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2007 | 4,397,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2008 | 4,465,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2009 | 4,534,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2010 | 4,604,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2011 | 4,676,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2012 | 4,748,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2013 | 4,821,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2014 | 4,896,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2015 | 4,972,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2016 | 5,049,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2017 | 5,127,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2018 | 5,207,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2019 | 5,264,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2020 | 5,322,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |
| 2021 | 5,378,000 | | https://www.macrotrends.net/cities/23174/washington-dc/population | https://www.macrotrends.net/cities/23174/washington-dc/population | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC | 2021-04-11 14:17:40 UTC |