1890 Atlantic Association StandingsSeason Began: Saturday, April 19, 1890
Season Ended: Tuesday, September 30, 1890
1890 Atlantic Association Regular Season Standings
|New Haven Nutmegs||82||36||.695||0|
|Newark Little Giants||60||61||.496||0|
|Jersey City Gladiators/Harrisburg Athletics||58||72||.446||0|
|Wilmington Peach Growers||29||66||.305||0|
Baltimore left the league to join the American Association August 27.
Hartford disbanded August 25.
Jersey City (27-46) disbanded July 19; Harrisburg, from the disbanded Inter-State League, joined the league July 21.
Washington disbanded August 2.
Wilmington disbanded August 26.
Worcester (37-31) transferred to Lebanon July 31.