Thursday, October 22 Dayton
  1. Home
  2. Statistics
  3. Ohio
  4. People
  5. Population
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

2017 · Place 1 is the highest value.

#TerritoryPopulation
51 Wyoming 579K
50 Vermont 624K
49 District of Columbia 695K
48 Alaska 740K
47 North Dakota 755K
46 South Dakota 873K
45 Delaware 957K
44 Montana 1.1M
43 Rhode Island 1.1M
42 Maine 1.3M
41 New Hampshire 1.3M
40 Hawaii 1.4M
39 Idaho 1.7M
38 West Virginia 1.8M
37 Nebraska 1.9M
36 New Mexico 2.1M
35 Kansas 2.9M
34 Nevada 3M
33 Mississippi 3M
32 Arkansas 3M
31 Utah 3.1M
30 Iowa 3.1M
29 Connecticut 3.6M
28 Oklahoma 3.9M
27 Oregon 4.1M
26 Kentucky 4.5M
25 Louisiana 4.7M
24 Alabama 4.9M
23 South Carolina 5M
22 Minnesota 5.6M
21 Colorado 5.6M
20 Wisconsin 5.8M
19 Maryland 6M
18 Missouri 6.1M
17 Indiana 6.7M
16 Tennessee 6.7M
15 Massachusetts 6.9M
14 Arizona 7M
13 Washington 7.4M
12 Virginia 8.5M
11 New Jersey 8.9M
10 Michigan 10M
9 North Carolina 10M
8 Georgia 10M
7 Ohio 12M
6 Illinois 13M
5 Pennsylvania 13M
4 New York 20M
3 Florida 21M
2 Texas 28M
1 California 39M

Source: OECD Regional Database, 2017

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.