Ohio sent 4 Democrats and 12 Republicans to the US House in 2018.

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

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Ohio — 2018 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
OH-01	R	−4.4%	Steve Chabot	300,871
OH-02	R	−16.4%	Brad Wenstrup	289,661
OH-03	D	+47.2%	Joyce Beatty	246,677
OH-04	R	−30.5%	Jim Jordan	257,405
OH-05	R	−27.1%	Bob Latta	283,617
OH-06	R	−38.5%	Bill Johnson	249,490
OH-07	R	−17.5%	Bob Gibbs	260,653
OH-08	R	−33.2%	Warren Davidson	261,133
OH-09	D	+35.6%	Marcy Kaptur	231,937
OH-10	R	−13.8%	Mike Turner	281,726
OH-11	D	+64.5%	Marcia L Fudge	250,660
OH-12	R	−4.2%	Troy Balderson	341,647
OH-13	D	+22.0%	Tim Ryan	251,370
OH-14	R	−10.5%	David P Joyce	307,358
OH-15	R	−18.6%	Steve Stivers	292,443
OH-16	R	−13.5%	Anthony Gonzalez	299,710