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People Statistics · Region

Population in Oklahoma

1990 – 2025 · 36 data points 28 of 51 · Regions of United States Updated Nov 12, 2026
People · Oklahoma 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 4,123,288 +0.7% since 2024
Regions of United States · 2025 28 of 51 Place 1 is the highest value.
since 2015 +5.5% +0.8% a year on average
share of United States 1.21% United States: 341,784,857 · 2025
Population, 1990 – 2025 people
+5.5% since 2015

Source: OECD Regional Database, 1990 – 2025

Compared with Population · people
Oklahoma 4.1M
United States 342M
World 8.2B

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

The series at a glance Oklahoma · 1990 – 2025
Latest value 4,123,288 · 2025
First value 3,148,825 · 1990
Highest 4,123,288 · 2025
Lowest 3,148,825 · 1990
Average change +0.8% a year on average
Data points 36

By year

All years · 1990 – 2025

YearOklahomaChange United StatesWorld
2025 4,123,288 +0.7% 342M 8.2B
2024 4,095,393 +0.8% 340M 8.1B
2023 4,063,882 +0.9% 337M 8.1B
2022 4,026,229 +0.9% 334M 8B
2021 3,992,238 +0.7% 332M 7.9B
2020 3,965,415 +0.2% 332M 7.9B
2019 3,956,971 +0.4% 328M 7.8B
2018 3,940,235 +0.2% 327M 7.7B
2017 3,931,316 +0.1% 325M 7.6B
2016 3,926,331 +0.4% 323M 7.5B
2015 3,909,500 +0.8% 321M 7.4B
2014 3,878,187 +0.6% 318M 7.4B
2013 3,853,214 +0.9% 316M 7.3B
2012 3,818,814 +0.8% 314M 7.2B
2011 3,788,379 +0.8% 312M 7.1B
2010 3,759,944 +1.1% 309M 7B
2009 3,717,572 +1.3% 307M 6.9B
2008 3,668,976 +1.0% 304M 6.8B
2007 3,634,349 +1.1% 301M 6.7B
2006 3,594,090 +1.3% 298M 6.7B
2005 3,548,597 +0.7% 296M 6.6B
2004 3,525,233 +0.6% 293M 6.5B
2003 3,504,892 +0.5% 290M 6.4B
2002 3,489,080 +0.6% 288M 6.3B
2001 3,467,100 +0.4% 285M 6.2B
2000 3,454,365 +0.5% 282M 6.2B
1999 3,437,147 +0.9% 279M 6.1B
1998 3,405,194 +1.0% 276M 6B
1997 3,372,917 +1.0% 273M 5.9B
1996 3,340,129 +1.0% 269M 5.8B
1995 3,308,208 +0.8% 266M 5.7B
1994 3,280,940 +0.9% 263M 5.7B
1993 3,252,285 +1.0% 260M 5.6B
1992 3,220,517 +1.4% 257M 5.5B
1991 3,175,440 +0.8% 253M 5.4B
1990 3,148,825 250M 5.3B

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

Ranking · Regions of United States

2019 · 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 579K
50 Vermont 624K
49 District of Columbia 706K
48 Alaska 732K
47 North Dakota 762K
46 South Dakota 885K
45 Delaware 974K
44 Rhode Island 1.1M
43 Montana 1.1M
42 Maine 1.3M
41 New Hampshire 1.4M
40 Hawaii 1.4M
39 Idaho 1.8M
38 West Virginia 1.8M
37 Nebraska 1.9M
36 New Mexico 2.1M
35 Kansas 2.9M
34 Mississippi 3M
33 Arkansas 3M
32 Nevada 3.1M
31 Iowa 3.2M
30 Utah 3.2M
29 Connecticut 3.6M
28 Oklahoma 4M
27 Oregon 4.2M
26 Kentucky 4.5M
25 Louisiana 4.6M
24 Alabama 4.9M
23 South Carolina 5.1M
22 Minnesota 5.6M
21 Colorado 5.8M
20 Wisconsin 5.8M
19 Maryland 6M
18 Missouri 6.1M
17 Indiana 6.7M
16 Tennessee 6.8M
15 Massachusetts 6.9M
14 Arizona 7.3M
13 Washington 7.6M
12 Virginia 8.5M
11 New Jersey 8.9M
10 Michigan 10M
9 North Carolina 10M
8 Georgia 11M
7 Ohio 12M
6 Illinois 13M
5 Pennsylvania 13M
4 New York 19M
3 Florida 21M
2 Texas 29M
1 California 40M

Source: OECD Regional Database, 2019

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.