Renew

Ohio

RETURN TO MAP

Click the links below to view state facts.

Ohio Population News Articles

Population Density

Historic & Projected Growth

Population by County


POPULATION DENSITY

People per square mile, 2010:   282.3

People per square mile, 2020: 288.8


HISTORIC & PROJECTED GROWTH 1790 TO 2040

Year
Population
1790
0
1800
45,365
1810
230,760
1820
581,434
1830
937,903
1840
1,519,467
1850
1,980,329
1860
2,339,511
1870
2,665,260
1880
3,198,062
1890
3,672,329
1900
4,157,545
1910
4,767,121
1920
5,759,394
1930
6,646,697
1940
6,907,612
1950
7,946,627
1960
9,706,397
1970
10,657,423
1980
10,797,603
1990
10,847,115
2000
11,353,140
2010
11,536,504
2020
11,799,448
2030
11,837,405
2040
11,751,540

Sources: Census figures from U.S. Bureau of the Census & *Estimates from Weldon Cooper Center, Demographics Research Group
(The Census Bureau and Weldon Cooper Center have not yet provided updated State projections to reflect 2020 census numbers.)


Population by County

Census 2010 Population
Census 2000 Population
Change from 2000
Percent Change
OHIO
11,799,448
11,536,504
262,944
2.28%
Adams County
27477
28,550
-1,073
-3.76%
Allen County
102206
106,331
-4,125
-3.88%
Ashland County
52447
53,139
-692
-1.30%
Ashtabula County
97574
101,497
-3,923
-3.87%
Athens County
62431
64,757
-2,326
-3.59%
Auglaize County
46422
45,949
473
1.03%
Belmont County
66497
70,400
-3,903
-5.54%
Brown County
43676
44,846
-1,170
-2.61%
Butler County
390357
368,130
22,227
6.04%
Carroll County
26721
28,836
-2,115
-7.33%
Champaign County
38714
40,097
-1,383
-3.45%
Clark County
136001
138,333
-2,332
-1.69%
Clermont County
208601
197,363
11,238
5.69%
Clinton County
42018
42,040
-22
-0.05%
Columbiana County
101877
107,841
-5,964
-5.53%
Coshocton County
36612
36,901
-289
-0.78%
Crawford County
42025
43,784
-1,759
-4.02%
Cuyahoga County
1264817
1,280,122
-15,305
-1.20%
Darke County
51881
52,959
-1,078
-2.04%
Defiance County
38286
39,037
-751
-1.92%
Delaware County
214124
174,214
39,910
22.91%
Erie County
75622
77,079
-1,457
-1.89%
Fairfield County
158921
146,156
12,765
8.73%
Fayette County
28951
29,030
-79
-0.27%
Franklin County
1323807
1,163,414
160,393
13.79%
Fulton County
42713
42,698
15
0.04%
Gallia County
29220
30,934
-1,714
-5.54%
Geauga County
95397
93,389
2,008
2.15%
Greene County
167966
161,573
6,393
3.96%
Guernsey County
38438
40,087
-1,649
-4.11%
Hamilton County
830639
802,374
28,265
3.52%
Hancock County
74920
74,782
138
0.18%
Hardin County
30696
32,058
-1,362
-4.25%
Harrison County
14483
15,864
-1,381
-8.71%
Henry County
27662
28,215
-553
-1.96%
Highland County
43317
43,589
-272
-0.62%
Hocking County
28050
29,380
-1,330
-4.53%
Holmes County
44223
42,366
1,857
4.38%
Huron County
58565
59,626
-1,061
-1.78%
Jackson County
32653
33,225
-572
-1.72%
Jefferson County
65249
69,709
-4,460
-6.40%
Knox County
62721
60,921
1,800
2.95%
Lake County
232603
230,041
2,562
1.11%
Lawrence County
58240
62,450
-4,210
-6.74%
Licking County
178519
166,492
12,027
7.22%
Logan County
46150
45,858
292
0.64%
Lorain County
312964
301,356
11,608
3.85%
Lucas County
431279
441,815
-10,536
-2.38%
Madison County
43824
43,435
389
0.90%
Mahoning County
228614
238,823
-10,209
-4.27%
Marion County
65359
66,501
-1,142
-1.72%
Medina County
182470
172,332
10,138
5.88%
Meigs County
22210
23,770
-1,560
-6.56%
Mercer County
42528
40,814
1,714
4.20%
Miami County
108774
102,506
6,268
6.11%
Monroe County
13385
14,642
-1,257
-8.58%
Montgomery County
537309
535,153
2,156
0.40%
Morgan County
13802
15,054
-1,252
-8.32%
Morrow County
34950
34,827
123
0.35%
Muskingum County
86410
86,074
336
0.39%
Noble County
14115
14,645
-530
-3.62%
Ottawa County
40364
41,428
-1,064
-2.57%
Paulding County
18806
19,614
-808
-4.12%
Perry County
35408
36,058
-650
-1.80%
Pickaway County
58539
55,698
2,841
5.10%
Pike County
27088
28,709
-1,621
-5.65%
Portage County
161791
161,419
372
0.23%
Preble County
40999
42,270
-1,271
-3.01%
Putnam County
34451
34,499
-48
-0.14%
Richland County
124936
124,475
461
0.37%
Ross County
77093
78,064
-971
-1.24%
Sandusky County
58896
60,944
-2,048
-3.36%
Scioto County
74008
79,499
-5,491
-6.91%
Seneca County
55069
56,745
-1,676
-2.95%
Shelby County
48230
49,423
-1,193
-2.41%
Stark County
374853
375,586
-733
-0.20%
Summit County
540428
541,781
-1,353
-0.25%
Trumbull County
201977
210,312
-8,335
-3.96%
Tuscarawas County
93263
92,582
681
0.74%
Union County
62784
52,300
10,484
20.05%
Van Wert County
28931
28,744
187
0.65%
Vinton County
12800
13,435
-635
-4.73%
Warren County
242337
212,693
29,644
13.94%
Washington County
59771
61,778
-2,007
-3.25%
Wayne County
116894
114,520
2,374
2.07%
Williams County
37102
37,642
-540
-1.43%
Wood County
132248
125,488
6,760
5.39%
Wyandot County
21900
22,615
-715
-3.16%

SOURCE: U.S. Bureau of the Census


Counties with the most farmland in Ohio – July 2, 2023

Columbus council approves more than $11.8M to design fourth water plant to improve capacity – June 27, 2023

Northeast Ohio expected to welcome thousands of Central American, South American refugees, asylum seekers – June 19, 2023

As Columbus population grows, John Glenn International Airport plans accordingly – June 14, 2023

The Largest Landfill in Ohio Is Almost as Tall as the Eiffel Tower – June 12, 2023

Cuyahoga County among Ohio counties where residents are most concerned about climate change – Yale study – December 14, 2022

10 Largest Cities In Ohio By Population – December 2, 2022

Ohio’s largest coal plant to change coal ash handling after U.S. EPA denial – December 2, 2022

New Research Dives into Fracking’s Impact on Water Flow in Ohio – December 2, 2022

Columbus vastly outpacing the rest of Ohio in population, growth – November 15, 2022

Climate Friday | Rainfall in Toledo becoming more intense – July 8, 2022

Where are the companies in Summit County emitting the most toxic chemicals? – July 7, 2022

Houseless population of Heer Park looking for a new home following eviction – June 22, 2022

Ohio State University: As Intel Expands Into Central Ohio, Communities Must Increase Housing, Planners Say – June 11, 2022

With inflation, supply-chain kinks, plight of Ohio food banks grows – March 5, 2022

Coastal workers migrating to Ohio – February 23, 2022

Central Ohio’s growth requires innovative housing solutions, planners say – February 22, 2022

Once sleepy Clermont County booms with subdivisions, new homes – February 16, 2022

Ohio to get $140 million for electric vehicle charging stations from bipartisan infrastructure bill – February 11, 2022

The Population Explosion: Union County Grows 20% in 10 Years – November 29, 2021

Clean water advocates blame factory farms for water pollution; factory farms say they’re within the margins. Who’s right? Maybe both. – November 8, 2021

ProPublica map identifies Summit County areas with increased cancer risk due to pollution – November 5, 2021

Ohio’s solar project queue on pace to surpass coal capacity this decade – November 2, 2021

Court rejects wetlands permit for Cafaro Co.’s Enterprise Park, citing ‘faulty’ population data – September 10, 2021

Columbus seeing longer streaks of hot days as climate change shows early effects – August 20, 2021

Emergency order filed to stop leakage of manure into Ohio stream – June 15, 2021

Ohio Senate committee passes bill to shield natural gas from cities’ bans – June 15, 2021

1,377 Ohio Bridges In Poor Condition, Report Says – June 15, 2021

Bill seeks to overturn protections for ephemeral streams; experts say water quality will suffer – June 2, 2021

Ohio’s Maple Syrup Threatened By Climate Change – March 9, 2021

MORPC releases 2020 air quality report – February 25, 2021

Ohio refinery city joins coalition to support local clean energy transitions – February 23, 2021

Ohio State, landfill and brewery among largest greenhouse gas emitters in county – November 27, 2020

U.S. EPA removes Ohio’s air pollution nuisance rule from Ohio’s SIP – November 20, 2020

Union County Residents Divided Over Proposed Solar Farm – November 18, 2020

ARTIFICIAL FLOATING ISLANDS WILL HELP SAFETY OF WATER FOR OHIOANS – November 16, 2020

Ohio agency financing program helps energy efficiency projects clear the air – November 12, 2020

Farm Bureau policy committee begins work – September 16, 2020

Here’s why you’re not seeing blue skies today in Northeast Ohio – September 14, 2020

Total Maximum Daily Load: Court case looks to push for Ohio EPA nutrients limit for Lake Erie – September 9, 2020

Labor Day storms cause sewage overflow closes Edgewater Beach – September 7, 2020

ODNR getting additional $5 million for H2Ohio wetlands projects – September 4, 2020

Pollutants briefly drop in Cincinnati during lockdown – July 21, 2020

Harmful Algae Blooms in Lake Erie Return – July 19, 2020

Ohio State power plant case pits clean energy technologies against each other – July 13, 2020

Wind farm to tower over northwest Ohio countryside – July 6, 2020

Hyperloop tech deemed feasible in central Ohio – May 26, 2020

Local business awarded $400,000 to combat PFAS – June 3, 2020

Coronavirus in Ohio: EPA allowing air, water testing to be suspended amid pandemic – June 8, 2020

Report: Severe Weather Hampers Ohio’s Biggest Industries – January 27, 2020

Company linked to EPA chief of staff OKs $3.7M settlement – January 23, 2020

‘Dark Waters’ in Ohio: Our rich natural resources are under threat from industry and farms – January 23, 2020

Study Finds Coal Closures Saved Thousands Of Lives in Ohio Valley – January 7, 2020

Cuyahoga County is losing trees, and it’s a problem for all of us – January 2, 2020

Study Finds Coal Closures Saved Thousands Of Lives in Ohio Valley – January 7, 2020

Ohio releases statewide PFAS Action Plan for drinking water – December 23, 2019

Cancer-Linked Contaminants Found In Cleveland’s Drinking Water – October 25, 2019

Cleveland mayor’s plan to plant trees should improve air quality – October 25, 2019

Audubon Study Finds 34% Of Ohio Bird Species Vulnerable To Climate Change – October 10, 2019

Is this heat making you sick? Ohio Health Issues Poll asks about climate change – October 2, 2019

Toledo officials spurred by prospect of more livestock farms – October 2, 2019

Lack of units, higher population leading to rising rent prices in central Ohio – August 22, 2019

Opponents Fight to Protect Ohio Wetlands from Development – August 5, 2019

Energy an Important Factor as Central Ohio Prepares for Its Future – July 31, 2019

Fracking in Ohio series: Some Ohio residents who complained about oil and gas feel ‘abandoned’ by the state – June 22, 2019

Ohio farmers now soaked and facing uncertain future – June 20, 2019

Fracking linked to higher radon levels in Ohio homes – June 18, 2019

Columbus, Ohio, shares roadmap for cleaner transportation – May 1, 2019

Factory Farms are Polluting Lake Erie. Will the Lake’s New Legal Rights Help? – April 9, 2019

Here Are The Crumbling Bridges In Northeast Ohio – April 2, 2019

As Rates Rise, Cleveland Water And Sewer Grapples With Affordability – February 8, 2019

Ohio’s Laketran Elects Officers Committed to Alt-Fueling – February 4, 2019

Wind projects carry local impact, but decisions won’t be made here – February 3, 2019

Districts increasing class sizes, cutting staff due to Ohio’s school funding formula – January 18, 2019