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People Statistics · Region

Population in California

1990 – 2025 · 36 data points 1 of 51 · Regions of United States Updated Oct 21, 2026
People · California 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 39,355,309 −0.2% since 2024
Regions of United States · 2025 1 of 51 Place 1 is the highest value.
since 2015 +1.1% +0.8% a year on average
share of United States 11.5% United States: 341,784,857 · 2025
Population, 1990 – 2025 people
+1.1% since 2015

Source: OECD Regional Database, 1990 – 2025

Compared with Population · people
California 39M
United States 342M
World 8.2B

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

The series at a glance California · 1990 – 2025
Latest value 39,355,309 · 2025
First value 29,959,515 · 1990
Highest 39,521,958 · 2020
Lowest 29,959,515 · 1990
Average change +0.8% a year on average
Data points 36

By year

All years · 1990 – 2025

YearCaliforniaChange United StatesWorld
2025 39,355,309 −0.2% 342M 8.2B
2024 39,431,263 +0.6% 340M 8.1B
2023 39,198,693 +0.1% 337M 8.1B
2022 39,142,414 −0.0% 334M 8B
2021 39,142,565 −1.0% 332M 7.9B
2020 39,521,958 +0.0% 332M 7.9B
2019 39,512,223 +0.1% 328M 7.8B
2018 39,461,588 +0.3% 327M 7.7B
2017 39,358,497 +0.5% 325M 7.6B
2016 39,167,117 +0.6% 323M 7.5B
2015 38,918,045 +0.8% 321M 7.4B
2014 38,596,972 +0.9% 318M 7.4B
2013 38,260,787 +0.8% 316M 7.3B
2012 37,948,800 +0.8% 314M 7.2B
2011 37,638,369 +0.9% 312M 7.1B
2010 37,319,502 +1.0% 309M 7B
2009 36,961,229 +1.0% 307M 6.9B
2008 36,604,337 +1.0% 304M 6.8B
2007 36,250,311 +0.6% 301M 6.7B
2006 36,021,202 +0.5% 298M 6.7B
2005 35,827,943 +0.7% 296M 6.6B
2004 35,574,576 +0.9% 293M 6.5B
2003 35,253,159 +1.1% 290M 6.4B
2002 34,871,843 +1.1% 288M 6.3B
2001 34,479,458 +1.4% 285M 6.2B
2000 33,987,977 +1.5% 282M 6.2B
1999 33,499,204 +1.6% 279M 6.1B
1998 32,987,675 +1.5% 276M 6B
1997 32,486,010 +1.5% 273M 5.9B
1996 32,018,834 +1.0% 269M 5.8B
1995 31,696,582 +0.7% 266M 5.7B
1994 31,484,435 +0.7% 263M 5.7B
1993 31,274,928 +1.0% 260M 5.6B
1992 30,974,659 +1.7% 257M 5.5B
1991 30,470,736 +1.7% 253M 5.4B
1990 29,959,515 250M 5.3B

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

Ranking · Regions of United States

2023 · 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 585K
50 Vermont 649K
49 District of Columbia 687K
48 Alaska 737K
47 North Dakota 789K
46 South Dakota 918K
45 Delaware 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 Idaho 2M
37 Nebraska 2M
36 New Mexico 2.1M
35 Mississippi 2.9M
34 Kansas 3M
33 Arkansas 3.1M
32 Nevada 3.2M
31 Iowa 3.2M
30 Utah 3.4M
29 Connecticut 3.6M
28 Oklahoma 4.1M
27 Oregon 4.3M
26 Kentucky 4.6M
25 Louisiana 4.6M
24 Alabama 5.1M
23 South Carolina 5.4M
22 Minnesota 5.8M
21 Colorado 5.9M
20 Wisconsin 5.9M
19 Missouri 6.2M
18 Maryland 6.2M
17 Indiana 6.9M
16 Massachusetts 7.1M
15 Tennessee 7.1M
14 Arizona 7.5M
13 Washington 7.9M
12 Virginia 8.7M
11 New Jersey 9.4M
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 31M
1 California 39M

Source: OECD Regional Database, 2023

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.