Missouri sent 5 Democrats and 4 Republicans to the US House in 1986.

9 districts. Each row shows the winning party, margin, and member elected. Vote counts are the certified district totals.

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Missouri — 1986 House districts

Source: MIT Election Data + Science Lab, US House returns (party-classified by literal ballot party).

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District	Won	Margin	Member elected	Votes
MO-01	D	+32.3%	William \"Bill\" Clay	137,643
MO-02	R	−3.8%	Jack Buechner	194,548
MO-03	D	+37.9%	Richard A Gephardt	168,785
MO-04	D	+100.0%	Ike Skelton	129,471
MO-05	D	+43.3%	Alan Wheat	142,574
MO-06	R	−13.4%	Tom Coleman	169,020
MO-07	R	−34.0%	Gene Taylor	170,501
MO-08	R	−5.1%	Bill Emerson	150,674
MO-09	D	+15.0%	Harold L Volkmer	166,911