Popularity in the United States (by decade)

1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 0.030% 0.024% 0.018% 0.012% 0.006% 1880 2020
         

Numbers

 Indigo (feminine)   Indigo (masculine) 
 Year   Rank   Percent Used   Rank   Percent Used 
2020 #970 0.015
#1756 0.005
2010 #1822 0.006
- -
2000 - - - -
1990 - - - -
1980 - - - -
1970 - - - -
1960 - - - -
1950 - - - -
1940 - - - -
1930 - - - -
1920 - - - -
1910 - - - -
1900 - - - -
1890 - - - -
1880 - - - -