1. Home
  2. Statistics
  3. Washington
  4. People
  5. Population density
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

2017 · Place 1 is the highest value.

#TerritoryPopulation density
51 Alaska 0.5
50 Wyoming 2.3
49 Montana 2.8
48 North Dakota 4.2
47 South Dakota 4.4
46 New Mexico 6.7
45 Idaho 8.0
44 Nebraska 9.6
43 Nevada 10.4
42 Kansas 13.7
41 Utah 14.6
40 Oregon 16.7
39 Maine 16.7
38 Colorado 20.9
37 Iowa 21.7
36 Oklahoma 22.1
35 Arkansas 22.3
34 Arizona 23.9
33 Mississippi 24.6
32 Vermont 26.1
31 Minnesota 27.0
30 West Virginia 29.1
29 Missouri 34.2
28 Alabama 37.1
27 Wisconsin 41.2
26 Louisiana 41.4
25 Texas 41.7
24 Washington 43.1
23 Kentucky 43.3
22 New Hampshire 58.1
21 Tennessee 62.8
20 South Carolina 64.4
19 Michigan 67.8
18 Georgia 69.4
17 Indiana 71.7
16 North Carolina 81.4
15 Virginia 82.5
14 Hawaii 85.6
13 Illinois 88.8
12 California 97.4
11 Ohio 110
10 Pennsylvania 110
9 Florida 150
8 New York 160
7 Delaware 189
6 Maryland 238
5 Connecticut 285
4 Massachusetts 338
3 Rhode Island 390
2 New Jersey 463
1 District of Columbia 4,370

Source: OECD Regional Database, 2017

What it means

How crowded a place is: residents per square kilometre.

How it is calculated

Residents divided by land area in square kilometres.