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People Statistics · Region

Population in Ohio

1990 – 2025 · 36 data points 7 of 51 · Regions of United States Updated Oct 22, 2026
People · Ohio United States

Source: OECD Regional Database, 1990 – 2025

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Overview 6 figures People 18 figures Economy 20 figures Housing 8 figures Education 10 figures Tourism 3 figures Climate 3 figures
Latest value · 2025 11,900,510 +0.1% since 2024
Regions of United States · 2025 7 of 51 Place 1 is the highest value.
since 2015 +2.4% +0.3% a year on average
share of United States 3.48% United States: 341,784,857 · 2025
Population, 1990 – 2025 people
+2.4% since 2015

Source: OECD Regional Database, 1990 – 2025

Compared with Population · people
Ohio 12M
United States 342M
World 8.2B

Sources: OECD Regional Database · World Bank — World Development Indicators

The series at a glance Ohio · 1990 – 2025
Latest value 11,900,510 · 2025
First value 10,864,162 · 1990
Highest 11,900,510 · 2025
Lowest 10,864,162 · 1990
Average change +0.3% a year on average
Data points 36

By year

All years · 1990 – 2025

YearOhioChange United StatesWorld
2025 11,900,510 +0.1% 342M 8.2B
2024 11,883,304 +0.5% 340M 8.1B
2023 11,824,034 +0.4% 337M 8.1B
2022 11,777,874 +0.1% 334M 8B
2021 11,767,344 −0.3% 332M 7.9B
2020 11,798,905 +0.9% 332M 7.9B
2019 11,689,100 +0.1% 328M 7.8B
2018 11,676,341 +0.1% 327M 7.7B
2017 11,659,650 +0.2% 325M 7.6B
2016 11,634,370 +0.1% 323M 7.5B
2015 11,617,527 +0.1% 321M 7.4B
2014 11,602,700 +0.2% 318M 7.4B
2013 11,576,684 +0.2% 316M 7.3B
2012 11,548,923 +0.0% 314M 7.2B
2011 11,544,663 +0.0% 312M 7.1B
2010 11,539,336 +0.1% 309M 7B
2009 11,528,896 +0.1% 307M 6.9B
2008 11,515,391 +0.1% 304M 6.8B
2007 11,500,468 +0.2% 301M 6.7B
2006 11,481,213 +0.2% 298M 6.7B
2005 11,463,320 +0.1% 296M 6.6B
2004 11,452,251 +0.2% 293M 6.5B
2003 11,434,788 +0.2% 290M 6.4B
2002 11,407,889 +0.2% 288M 6.3B
2001 11,387,404 +0.2% 285M 6.2B
2000 11,363,543 +0.2% 282M 6.2B
1999 11,335,454 +0.2% 279M 6.1B
1998 11,311,536 +0.3% 276M 6B
1997 11,277,357 +0.3% 273M 5.9B
1996 11,242,827 +0.4% 269M 5.8B
1995 11,202,751 +0.5% 266M 5.7B
1994 11,152,454 +0.5% 263M 5.7B
1993 11,101,140 +0.7% 260M 5.6B
1992 11,029,431 +0.8% 257M 5.5B
1991 10,945,762 +0.8% 253M 5.4B
1990 10,864,162 250M 5.3B

Sources: OECD Regional Database · World Bank — World Development Indicators, 1990 – 2025

Ranking · Regions of United States

2025 · Place 1 is the highest value.

Year: 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
Highest first Lowest first A–Z
#TerritoryPopulation
51 Wyoming 589K
50 Vermont 645K
49 District of Columbia 694K
48 Alaska 737K
47 North Dakota 799K
46 South Dakota 935K
45 Delaware 1.1M
44 Rhode Island 1.1M
43 Montana 1.1M
42 Maine 1.4M
41 New Hampshire 1.4M
40 Hawaii 1.4M
39 West Virginia 1.8M
38 Nebraska 2M
37 Idaho 2M
36 New Mexico 2.1M
35 Mississippi 3M
34 Kansas 3M
33 Arkansas 3.1M
32 Iowa 3.2M
31 Nevada 3.3M
30 Utah 3.5M
29 Connecticut 3.7M
28 Oklahoma 4.1M
27 Oregon 4.3M
26 Kentucky 4.6M
25 Louisiana 4.6M
24 Alabama 5.2M
23 South Carolina 5.6M
22 Minnesota 5.8M
21 Wisconsin 6M
20 Colorado 6M
19 Maryland 6.3M
18 Missouri 6.3M
17 Indiana 7M
16 Massachusetts 7.2M
15 Tennessee 7.3M
14 Arizona 7.6M
13 Washington 8M
12 Virginia 8.9M
11 New Jersey 9.5M
10 Michigan 10M
9 North Carolina 11M
8 Georgia 11M
7 Ohio 12M
6 Illinois 13M
5 Pennsylvania 13M
4 New York 20M
3 Florida 23M
2 Texas 32M
1 California 39M

Source: OECD Regional Database, 2025

What it means

How many people live here — residents, not visitors.

How it is calculated

Official count or estimate of residents for each year: a census plus births, deaths and moves since then. Estimates are revised when a new census comes out.