Trumbull County, Ohio

Trumbull County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF

Government Unit	Unit Type	Jurisdiction Role	Contact / Address
COUNTY OF TRUMBULL GUS Population: 200,300 (2024) ID: 193868	County	Official County Government	Contact: PRESIDENT 160 HIGH ST NW, WARREN OH 44481-1093
CITY OF WARREN GUS Population: 38,683 (2024) ID: 172636	Municipal	Municipal Government Within County	Contact: MAYOR 391 MAHONING AVE NW, WARREN OH 44483-4604
TOWNSHIP OF WEATHERSFIELD GUS Population: 24,420 (2024) ID: 173245	Township	Municipal Government Within County	Contact: FISCAL OFFICIAL 1451 PROSPECT ST, MINERAL RIDGE OH 44440-9313
TOWNSHIP OF LIBERTY GUS Population: 21,325 (2024) ID: 132763	Township	Municipal Government Within County	Contact: FISCAL OFFICER 1315 CHURCHILL HUBBARD RD, STE A, YOUNGSTOWN OH 44505-1378
TOWNSHIP OF HOWLAND GUS Population: 18,937 (2024) ID: 173237	Township	Municipal Government Within County	Contact: HOWLAND TWP ADM 205 NILES CORTLAND RD NE, WARREN OH 44484-1939
CITY OF NILES GUS Population: 18,238 (2024) ID: 132532	Municipal	Municipal Government Within County	Contact: AUDITOR 34 W STATE ST, NILES OH 44446-5036
TOWNSHIP OF HUBBARD GUS Population: 12,846 (2024) ID: 173238	Township	Municipal Government Within County	Contact: TRUSTEE CHAIRMAN 2600 ELMWOOD DRIVE EXT, HUBBARD OH 44425-9707
CITY OF GIRARD GUS Population: 9,454 (2024) ID: 209100	Municipal	Municipal Government Within County	Contact: AUDITOR CLERK I 100 W MAIN ST, STE 4, GIRARD OH 44420-2598
TOWNSHIP OF CHAMPION GUS Population: 9,322 (2024) ID: 111013	Township	Municipal Government Within County	Contact: FISCAL OFFICER 149 CENTER ST E, WARREN OH 44481-9304
TOWNSHIP OF NEWTON GUS Population: 8,554 (2024) ID: 173243	Township	Municipal Government Within County	Contact: FISCAL OFFICER PO BOX 298, NEWTON FALLS OH 44444-0298
TOWNSHIP OF BROOKFIELD GUS Population: 8,394 (2024) ID: 173234	Township	Municipal Government Within County	Contact: TRUSTEE 6844 STRIMBU DR, BROOKFIELD OH 44403-9526
CITY OF HUBBARD GUS Population: 7,565 (2024) ID: 194842	Municipal	Municipal Government Within County	Contact: SECRETARY PO BOX 307, HUBBARD OH 44425-0307
CITY OF CORTLAND GUS Population: 7,069 (2024) ID: 172633	Municipal	Municipal Government Within County	Contact: FINANCE DIRECTOR 400 N HIGH ST, CORTLAND OH 44410-1025
TOWNSHIP OF BAZETTA GUS Population: 5,880 (2024) ID: 111011	Township	Municipal Government Within County	Contact: FISCAL OFFICER 3372 STATE ROUTE 5, CORTLAND OH 44410-1699
TOWNSHIP OF WARREN GUS Population: 4,674 (2024) ID: 132765	Township	Municipal Government Within County	Contact: WARREN TOWNSHIP TRUSTEES PO BOX 307, 3765 WEST MARKET ST, LEAVITTSBURG OH 44430
VILLAGE OF NEWTON FALLS GUS Population: 4,536 (2024) ID: 202339	Municipal	Municipal Government Within County	Contact: CITY CLERK 19 N CANAL ST, STE 2, NEWTON FALLS OH 44444-1370
TOWNSHIP OF VIENNA GUS Population: 4,055 (2024) ID: 173244	Township	Municipal Government Within County	Contact: TOWNSHIP FISCAL OFFICER PO BOX 593, VIENNA OH 44473-0593
TOWNSHIP OF SOUTHINGTON GUS Population: 3,728 (2024) ID: 132764	Township	Municipal Government Within County	Contact: FISCAL OFFICER PO BOX 266, SOUTHINGTON OH 44470-0266
TOWNSHIP OF MESOPOTAMIA GUS Population: 3,402 (2024) ID: 173242	Township	Municipal Government Within County	Contact: FISCAL OFFICER PO BOX 199, MESOPOTAMIA OH 44439-0199
VILLAGE OF LORDSTOWN GUS Population: 3,331 (2024) ID: 110816	Municipal	Municipal Government Within County	Contact: PLANNING ZONING ADMINISTRATOR 1455 SALT SPRINGS ROAD SW, WARREN OH 44481-9658
VILLAGE OF MCDONALD GUS Population: 3,126 (2024) ID: 172634	Municipal	Municipal Government Within County	Contact: OFFICE MANAGER 451 OHIO AVE, MC DONALD OH 44437-1955
TOWNSHIP OF FARMINGTON GUS Population: 2,947 (2024) ID: 191220	Township	Municipal Government Within County	Contact: CHAIRMAN PO BOX 81, WEST FARMINGTON OH 44491-0081
TOWNSHIP OF BRISTOL GUS Population: 2,685 (2024) ID: 111012	Township	Municipal Government Within County	Contact: FISCAL OFFICER PO BOX 254, BRISTOLVILLE OH 44402-0254
TOWNSHIP OF BRACEVILLE GUS Population: 2,452 (2024) ID: 173233	Township	Municipal Government Within County	Contact: FISCAL OFFICER 800 BRACEVILLE ROBINSON ROAD, NEWTON FALLS OH 44444
TOWNSHIP OF FOWLER GUS Population: 2,345 (2024) ID: 173235	Township	Municipal Government Within County	Contact: FISCAL OFFICER PO BOX 174, FOWLER OH 44418-0174
TOWNSHIP OF MECCA GUS Population: 2,318 (2024) ID: 173241	Township	Municipal Government Within County	Contact: TOWNSHIP FISCAL OFFICER PO BOX 567, CORTLAND OH 44410-0567
TOWNSHIP OF HARTFORD GUS Population: 1,846 (2024) ID: 132762	Township	Municipal Government Within County	Contact: CHAIRMAN PO BOX 116, HARTFORD OH 44424-0004
TOWNSHIP OF JOHNSTON GUS Population: 1,732 (2024) ID: 173239	Township	Municipal Government Within County	Contact: FISCAL OFFICER PO BOX 639, CORTLAND OH 44410-0639
TOWNSHIP OF KINSMAN GUS Population: 1,715 (2024) ID: 173240	Township	Municipal Government Within County	Contact: FISCAL OFFICER PO BOX 399, KINSMAN OH 44428-0399
TOWNSHIP OF VERNON GUS Population: 1,343 (2024) ID: 111016	Township	Municipal Government Within County	Contact: TOWNSHIP FISCAL OFFICER 6915B STATE RT 88, KINSMAN OH 44428-9790
TOWNSHIP OF BLOOMFIELD GUS Population: 1,232 (2024) ID: 225694	Township	Municipal Government Within County	Contact: FISCAL OFFICER PO BOX 34, NORTH BLOOMFIELD OH 44450-0034
TOWNSHIP OF GREENE GUS Population: 946 (2024) ID: 173236	Township	Municipal Government Within County	Contact: TOWNSHIP FISCAL OFFICER 8964 STATE ROUTE 46, NORTH BLOOMFIELD OH 44450-9743
TOWNSHIP OF GUSTAVUS GUS Population: 824 (2024) ID: 111014	Township	Municipal Government Within County	Contact: GUSTAVUS FISCAL OFFICER PO BOX 14, FARMDALE OH 44417-0014
VILLAGE OF WEST FARMINGTON GUS Population: 534 (2024) ID: 172637	Municipal	Municipal Government Within County	Contact: MAYOR CLERK PO BOX 215, WEST FARMINGTON OH 44491-0215
VILLAGE OF ORANGEVILLE GUS Population: 170 (2024) ID: 172635	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 132, ORANGEVILLE OH 44453-0132
VILLAGE OF YANKEE LAKE GUS Population: 73 (2024) ID: 132533	Municipal	Municipal Government Within County	Contact: COUNCIL 1800 STATE ROUTE 7 NE, BROOKFIELD OH 44403-9732