Ohio

Population: 11,749,303 · 88 counties · Official website · Open data

Ohio Congressional Delegation

Explore Ohio’s representation in the U.S. Congress.

Democrat Republican

Senators

Bernie Moreno

R Republican · Senior Senator

Jon Husted

R Republican · Junior Senator

Representatives

District	Representative	Party
OH-01	Greg Landsman	D Democrat
OH-02	David J. Taylor	R Republican
OH-03	Joyce Beatty	D Democrat
OH-04	Jim Jordan	R Republican
OH-05	Robert E. Latta	R Republican
OH-06	Michael A. Rulli	R Republican
OH-07	Max L. Miller	R Republican
OH-08	Warren Davidson	R Republican
OH-09	Marcy Kaptur	D Democrat
OH-10	Michael R. Turner	R Republican
OH-11	Shontel M. Brown	D Democrat
OH-12	Troy Balderson	R Republican
OH-13	Emilia Strong Sykes	D Democrat
OH-14	David P. Joyce	R Republican
OH-15	Mike Carey	R Republican

Counties

County	Population	Congressional Districts
Adams County	27,521	OH-02
Allen County	100,838	OH-04
Ashland County	52,190	OH-04
Ashtabula County	96,845	OH-14
Athens County	62,706	OH-12
Auglaize County	46,050	OH-04
Belmont County	64,918	OH-06
Brown County	43,777	OH-02
Butler County	393,043	OH-08
Carroll County	26,758	OH-06
Champaign County	38,845	OH-04
Clark County	134,610	OH-04, OH-10, OH-15
Clermont County	211,972	OH-02
Clinton County	41,938	OH-02
Columbiana County	100,182	OH-06
Coshocton County	36,869	OH-12
Crawford County	41,529	OH-04, OH-05
Cuyahoga County	1,233,088	OH-07, OH-11
Darke County	51,415	OH-08
Defiance County	38,315	OH-09
Delaware County	231,636	OH-04, OH-12
Erie County	74,035	OH-09
Fairfield County	165,360	OH-12
Fayette County	28,817	OH-15
Franklin County	1,326,063	OH-03, OH-04, OH-12, OH-15
Fulton County	42,007	OH-09
Gallia County	28,986	OH-02
Geauga County	95,407	OH-07, OH-11, OH-14
Greene County	169,691	OH-02, OH-10, OH-15
Guernsey County	38,089	OH-06, OH-12
Hamilton County	827,058	OH-01, OH-02, OH-08
Hancock County	74,704	OH-05
Hardin County	30,368	OH-04, OH-05
Harrison County	14,159	OH-06, OH-12
Henry County	27,520	OH-05, OH-09
Highland County	43,614	OH-02, OH-15
Hocking County	27,540	OH-02, OH-12
Holmes County	44,386	OH-07, OH-12
Huron County	58,199	OH-05, OH-09
Jackson County	32,606	OH-02
Jefferson County	64,026	OH-06
Knox County	63,320	OH-04, OH-07, OH-12
Lake County	231,640	OH-11, OH-14
Lawrence County	56,118	OH-02
Licking County	183,201	OH-03, OH-04, OH-12, OH-15
Logan County	46,057	OH-04
Lorain County	317,910	OH-04, OH-05, OH-09
Lucas County	425,484	OH-05, OH-09
Madison County	44,602	OH-04, OH-10, OH-15
Mahoning County	225,596	OH-06, OH-14
Marion County	64,851	OH-04
Medina County	184,042	OH-04, OH-05, OH-07
Meigs County	21,767	OH-02, OH-12
Mercer County	42,439	OH-04, OH-05, OH-08
Miami County	110,876	OH-04, OH-08, OH-15
Monroe County	13,153	OH-06
Montgomery County	533,796	OH-04, OH-08, OH-10, OH-15
Morgan County	13,646	OH-12
Morrow County	35,595	OH-04, OH-05, OH-12
Muskingum County	86,305	OH-12
Noble County	14,311	OH-06, OH-12
Ottawa County	39,803	OH-09
Paulding County	18,706	OH-05, OH-09
Perry County	35,551	OH-02, OH-12
Pickaway County	61,086	OH-02, OH-12, OH-15
Pike County	27,001	OH-02
Portage County	162,665	OH-06, OH-14
Preble County	40,556	OH-08, OH-10
Putnam County	34,199	OH-04, OH-05, OH-09
Richland County	125,064	OH-04, OH-05, OH-12
Ross County	76,501	OH-02, OH-15
Sandusky County	58,709	OH-09
Scioto County	71,969	OH-02
Seneca County	54,527	OH-05, OH-09
Shelby County	47,765	OH-04, OH-05, OH-08, OH-15
Stark County	372,716	OH-06, OH-12, OH-13, OH-14
Summit County	535,733	OH-05, OH-07, OH-13, OH-14
Trumbull County	200,373	OH-06, OH-14
Tuscarawas County	91,874	OH-06, OH-12, OH-13
Union County	69,637	OH-03, OH-04, OH-05, OH-12, OH-15
Van Wert County	28,704	OH-04, OH-05
Vinton County	12,474	OH-02, OH-12
Warren County	252,148	OH-01, OH-02, OH-08, OH-10
Washington County	58,577	OH-02, OH-06, OH-12
Wayne County	116,510	OH-04, OH-06, OH-07, OH-12, OH-13
Williams County	36,591	OH-05, OH-09
Wood County	132,650	OH-05, OH-09
Wyandot County	21,457	OH-04, OH-05