Based on the 2000 Census, here are some of the largest townships in Ohio (or learn more about Counties in Ohio):
Ohio Townships – Population
from the 2000 Census
County Township Population Total
Hamilton County Colerain Township 60,144
Hamilton County Green Township 55,660
Butler County West Chester Township 54,895
Montgomery County Washington Township 52,991
Stark County Plain Township 51,997
Montgomery County Miami Township 45,593
Marion County Marion Township 44,908
Lucas County Sylvania Township 44,253
Hamilton County Anderson Township 43,857
Mahoning County Boardman Township 42,518
Clermont County Union Township 42,332
Greene County Beavercreek Township 41,745
Greene County Bath Township 40,231
Mahoning County Austintown Township 38,001
Stark County Jackson Township 37,744
Hamilton County Springfield Township 37,587
Clermont County Miami Township 36,632
Franklin County Mifflin Township 35,787
Franklin County Jackson Township 32,625
Hamilton County Delhi Township 30,104
Stark County Perry Township 29,167
Warren County Franklin Township 27,794
Ross County Scioto Township 27,735
Trumbull County Weathersfield Township 27,717
Athens County Athens Township 27,714
Franklin County Norwich Township 27,488
Miami County Concord Township 27,335
Franklin County Truro Township 27,151
Fairfield County Violet Township 26,914
Delaware County Delaware Township 26,149
Stark County Lake Township 25,892
Warren County Deerfield Township 25,515
Montgomery County Harrison Township 24,303
Butler County Oxford Township 24,133
Lucas County Springfield Township 24,123
Trumbull County Liberty Township 23,522
Ashtabula County Ashtabula Township 23,239
Butler County Liberty Township 22,819
Franklin County Madison Township 21,243
Warren County Clear Creek Township 20,974
Shelby County Clinton Township 20,903
Hamilton County Sycamore Township 19,675
Trumbull County Howland Township 19,451
Clark County Bethel Township 18,962
Lake County Painesville Township 18,562
Lake County Madison Township 18,428
Darke County Greenville Township 18,125
Union County Paris Township 17,549
Clermont County Batavia Township 17,503
Franklin County Prairie Township 17,118
Columbiana County Perry Township 17,049
Franklin County Sharon Township 16,455
Lawrence County Upper Township 15,648
Butler County Fairfield Township 15,571
Allen County American Township 15,516
Guernsey County Cambridge Township 15,505
Delaware County Liberty Township 15,429
Miami County Monroe Township 15,339
Lake County Concord Township 15,282
Summit County Springfield Township 15,168
Champaign County Urbana Township 14,968
Belmont County Pease Township 14,961
Clinton County Union Township 14,929
Hamilton County Symmes Township 14,771
Mahoning County Poland Township 14,711
Richland County Madison Township 14,680
Mahoning County Canfield Township 14,624
Summit County Franklin Township 14,530
Auglaize County Duchouquet Township 14,329
Trumbull County Hubbard Township 14,304
Stark County Canton Township 13,882
Clermont County Goshen Township 13,663
Summit County Copley Township 13,641
Wood County Perrysburg Township 13,613
Belmont County Richland Township 13,571
Hamilton County Miami Township 13,496
Defiance County Defiance Township 13,461
Clark County Springfield Township 13,424
Stark County Lawrence Township 13,382
Mercer County Jefferson Township 13,231
Warren County Turtle Creek Township 12,617
Erie County Perkins Township 12,578
Logan County Lake Township 12,492
Hamilton County Harrison Township 12,469
Delaware County Orange Township 12,464
Clermont County Pierce Township 12,226
Allen County Shawnee Township 12,220
Wayne County Green Township 12,194
Jefferson County Island Creek Township 12,078
Ashtabula County Geneva Township 11,954
Clark County Mad River Township 11,828
Franklin County Franklin Township 11,798
Ross County Union Township 11,750
Auglaize County St. Marys Township 11,600
Hocking County Falls Township 11,409
Clark County Moorefield Township 11,402
Delaware County Genoa Township 11,293
Van Wert County Pleasant Township 11,120
Geauga County Chester Township 10,968
Geauga County Bainbridge Township 10,916
Summit County Coventry Township 10,900
Cuyahoga County Olmsted Township 10,575
Erie County Huron Township 10,530
Wood County Lake Township 10,350
Columbiana County Unity Township 10,294
Tuscarawas County Mill Township 10,290
Miami County Union Township 10,222
Wayne County Chippewa Township 10,085
Ashtabula County Saybrook Township 10,051
Trumbull County Brookfield Township 10,020
Scioto County Porter Township 9,892
Allen County Bath Township 9,819
Highland County Liberty Township 9,798
Trumbull County Champion Township 9,762
Richland County Sharon Township 9,720
Belmont County Pultney Township 9,700
Lorain County Eaton Township 9,675
Richland County Springfield Township 9,674
Summit County Bath Township 9,635
Warren County Hamilton Township 9,630
Columbiana County Fairfield Township 9,583
Erie County Vermilion Township 9,575
Sandusky County Green Creek Township 9,527
Trumbull County Newton Township 9,524
Lucas County Waterville Township 9,469
Summit County Sagamore Hills Township 9,340
Fulton County Clinton Township 9,280
Portage County Ravenna Township 9,270
Wayne County Milton Township 9,254
Franklin County Blendon Township 9,193
Lawrence County Fayette Township 9,169
Pickaway County Scioto Township 9,165
Stark County Nimishillen Township 9,098
Lawrence County Union Township 9,002
Licking County Granville Township 8,994
Clermont County Tate Township 8,935
Jefferson County Cross Creek Township 8,761
Lawrence County Rome Township 8,694
Butler County Madison Township 8,611
Hardin County Pleasant Township 8,608
Butler County Lemon Township 8,607
Muskingum County Falls Township 8,585
Montgomery County Clay Township 8,566
Fulton County Swan Creek Township 8,461
Montgomery County Butler Township 8,382
Licking County Union Township 8,339
Carroll County Brown Township 8,300
Lake County Perry Township 8,240
Clermont County Monroe Township 8,236
Portage County Brimfield Township 7,963
Columbiana County St. Clair Township 7,961
Putnam County Ottawa Township 7,961
Franklin County Hamilton Township 7,950
Butler County Hanover Township 7,878
Montgomery County German Township 7,830
Trumbull County Warren Township 7,817
Medina County Medina Township 7,783
Lorain County Brownhelm Township 7,782
Pike County Pee Pee Township 7,776
Athens County York Township 7,740
Clark County German Township 7,663
Lorain County Amherst Township 7,598
Wyandot County Crane Township 7,394
Lorain County Carlisle Township 7,339
Butler County St. Clair Township 7,336
Fairfield County Liberty Township 7,265
Warren County Wayne Township 7,250
Portage County Rootstown Township 7,212
Hardin County Liberty Township 7,149
Franklin County Pleasant Township 7,030
Madison County Somerford Township 6,975
Madison County Jefferson Township 6,935
Highland County Madison Township 6,922
Lorain County Columbia Township 6,912
Lawrence County Perry Township 6,813
Montgomery County Jefferson Township 6,787
Richland County Washington Township 6,777
Allen County Marion Township 6,773
Lucas County Monclova Township 6,767
