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People Statistics · Region

Population density in Washington

1990 – 2025 · 36 data points 24 of 51 · Regions of United States Updated Oct 22, 2026
People · Washington 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 46.4per km² +0.5% since 2024
Regions of United States · 2025 24 of 51 Place 1 is the highest value.
since 2015 +12% +1.4% a year on average
vs United States +24% United States: 37.3 · 2025
Population density, 1990 – 2025 per km² · Washington · United States · World
+12% since 2015
Washington United States World

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

Compared with Population density · per km²
Washington
46.4
United States
37.3
World
62.1 · 2023

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

The series at a glance Washington · 1990 – 2025
Latest value 46.4 · 2025
First value 28.4 · 1990
Highest 46.4 · 2025
Lowest 28.4 · 1990
Average change +1.4% a year on average
Data points 36

By year

All years · 1990 – 2025

YearWashingtonChange United StatesWorld
2025 46.4 +0.5% 37.3 —
2024 46.2 +1.3% 37.1 —
2023 45.6 +0.8% 36.8 62.1
2022 45.2 +0.6% 36.5 61.6
2021 44.9 +0.2% 36.2 61.0
2020 44.8 +1.5% 36.2 60.4
2019 44.2 +1.2% 35.8 59.8
2018 43.7 +1.4% 35.7 59.2
2017 43.1 +1.7% 35.5 58.6
2016 42.3 +1.8% 35.2 57.9
2015 41.6 +1.6% 35.0 57.3
2014 40.9 +1.3% 34.7 56.6
2013 40.4 +1.0% 34.5 55.9
2012 40.0 +1.0% 34.2 55.2
2011 39.6 +1.3% 34.0 55.6
2010 39.1 +1.1% 33.8 54.9
2009 38.7 +1.6% 33.5 54.3
2008 38.1 +1.6% 33.2 53.6
2007 37.5 +1.4% 32.9 52.9
2006 37.0 +1.8% 32.6 52.3
2005 36.3 +1.3% 32.2 51.6
2004 35.8 +1.2% 32.0 51.0
2003 35.4 +0.9% 31.7 50.4
2002 35.1 +1.1% 31.4 49.7
2001 34.7 +1.3% 31.1 49.1
2000 34.3 +1.2% 30.8 48.4
1999 33.9 +1.3% 30.5 47.8
1998 33.5 +1.7% 30.1 47.2
1997 32.9 +1.9% 29.8 46.5
1996 32.3 +1.6% 29.4 45.8
1995 31.8 +2.0% 29.1 45.1
1994 31.2 +1.8% 28.7 44.5
1993 30.6 +2.3% 28.4 43.8
1992 29.9 +2.7% 28.0 43.5
1991 29.2 +2.5% 27.6 51.7
1990 28.4 27.2 50.8

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

Ranking · Regions of United States

2015 · 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 density
28 Alabama 36.9
51 Alaska 0.5
34 Arizona 23.2
35 Arkansas 22.1
12 California 96.4
38 Colorado 20.3
5 Connecticut 286
7 Delaware 186
1 District of Columbia 4,248
9 Florida 145
18 Georgia 67.9
14 Hawaii 85.5
45 Idaho 7.7
13 Illinois 89.3
17 Indiana 71.1
37 Iowa 21.6
42 Kansas 13.7
23 Kentucky 43.0
25 Louisiana 41.3
39 Maine 16.6
6 Maryland 236
4 Massachusetts 335
19 Michigan 67.5
31 Minnesota 26.6
33 Mississippi 24.6
29 Missouri 34.0
49 Montana 2.7
44 Nebraska 9.5
43 Nevada 10.1
22 New Hampshire 57.5
2 New Jersey 462
46 New Mexico 6.6
8 New York 161
16 North Carolina 79.5
48 North Dakota 4.2
11 Ohio 110
36 Oklahoma 22.0
40 Oregon 16.2
10 Pennsylvania 110
3 Rhode Island 390
20 South Carolina 62.7
47 South Dakota 4.4
21 Tennessee 61.7
27 Texas 40.5
41 Utah 14.0
32 Vermont 26.1
15 Virginia 81.5
24 Washington 41.6
30 West Virginia 29.5
26 Wisconsin 41.0
50 Wyoming 2.3

Source: OECD Regional Database, 2015

What it means

How crowded a place is: residents per square kilometre.

How it is calculated

Residents divided by land area in square kilometres.