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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

Source: OECD Regional Database, 1990 – 2025

Population, 1990 – 2025 people
+2.4% since 2015

Source: OECD Regional Database, 1990 – 2025

Compared with Population · people
Ohio 12M
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.

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

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.