The District of Columbia Board of Elections has posted registration data for December 31, 2020. See it here. The percentages are: Democratic 76.41%; Republican 5.71%; Green .73%; Libertarian .40%; independent and miscellaneous 16.74%.
The September 30, 2020 percentages were: Democratic 76.76%; Republican 5.69%; Green .72%; Libertarian .39%; independent and miscellaneous 16.44%.
WHEN WAS THE LAST NON-DONKEY ELECTED DISTRICT WIDE ???
1930 ??? 1928 ???
There’s a requirement that the city council must have at least one member who is not of the majority party, or at least there was not that long ago.