Ohio
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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
Ohio Population News Articles
Columbus City Council resolution lays path for zoning changes to bring more urban density – October 10, 2023
Hot weather drives Lake Erie toxic algae bloom resurgence – October 4, 2023
How Dangerous Are Ohio Lakes? – September 25, 2023
Clark County leaders work to provide driving education for local Haitians – September 24, 2023
New school vs. old trees: Is a Cleveland park protected from development? The Wake Up for Friday, Sept. 22, 2023 – September 22, 2023
Columbus sees momentum for local tree growing plan – September 20, 2023
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