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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

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

2015 · Place 1 is the highest value.

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

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.