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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 21, 2026

Source: OECD Regional Database, 1990 – 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
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

2023 · Place 1 is the highest value.

#TerritoryPopulation density
1 District of Columbia 4,323
2 New Jersey 488
3 Rhode Island 408
4 Massachusetts 348
5 Connecticut 290
6 Maryland 246
7 Delaware 205
8 Florida 164
9 New York 161
10 Pennsylvania 112
11 Ohio 111
12 California 97.0
13 Illinois 87.8
14 Hawaii 86.6
15 North Carolina 86.2
16 Virginia 85.2
17 Indiana 74.1
18 Georgia 73.8
19 South Carolina 69.1
20 Michigan 68.5
21 Tennessee 67.0
22 New Hampshire 60.4
23 Washington 45.6
24 Texas 45.3
25 Kentucky 44.2
26 Wisconsin 42.2
27 Louisiana 40.7
28 Alabama 38.9
29 Missouri 34.8
30 West Virginia 28.4
31 Minnesota 27.9
32 Vermont 27.1
33 Arizona 25.4
34 Mississippi 24.2
35 Oklahoma 22.8
36 Arkansas 22.8
37 Iowa 22.2
38 Colorado 22.0
39 Maine 17.5
40 Oregon 17.1
41 Utah 16.2
42 Kansas 13.9
43 Nevada 11.3
44 Nebraska 10.0
45 Idaho 9.2
46 New Mexico 6.8
47 South Dakota 4.7
48 North Dakota 4.4
49 Montana 3.0
50 Wyoming 2.3
51 Alaska 0.5

Source: OECD Regional Database, 2023

What it means

How crowded a place is: residents per square kilometre.

How it is calculated

Residents divided by land area in square kilometres.