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People Statistics · Region

Idaho: population density

1990 – 2025 · 36 data points 45 of 51 · Regions of United States Updated Oct 21, 2026
People · Idaho 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 9.5per km² +1.4% since 2024
Regions of United States · 2025 45 of 51 Place 1 is the highest value.
since 2015 +23% +2.0% a year on average
vs United States −75% United States: 37.3 · 2025
Population density, 1990 – 2025 per km² · Idaho · United States · World
+23% since 2015
Idaho United States World

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

Compared with Population density · per km²
Idaho
9.5
United States
37.3
World
62.1 · 2023

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

The series at a glance Idaho · 1990 – 2025
Latest value 9.5 · 2025
First value 4.7 · 1990
Highest 9.5 · 2025
Lowest 4.7 · 1990
Average change +2.0% a year on average
Data points 36

By year

All years · 1990 – 2025

YearIdahoChange United StatesWorld
2025 9.5 +1.4% 37.3 —
2024 9.3 +1.5% 37.1 —
2023 9.2 +1.4% 36.8 62.1
2022 9.1 +2.0% 36.5 61.6
2021 8.9 +3.0% 36.2 61.0
2020 8.6 +3.5% 36.2 60.4
2019 8.3 +2.1% 35.8 59.8
2018 8.2 +2.0% 35.7 59.2
2017 8.0 +2.0% 35.5 58.6
2016 7.8 +1.9% 35.2 57.9
2015 7.7 +1.2% 35.0 57.3
2014 7.6 +1.2% 34.7 56.6
2013 7.5 +1.1% 34.5 55.9
2012 7.4 +0.7% 34.2 55.2
2011 7.4 +0.8% 34.0 55.6
2010 7.3 +1.1% 33.8 54.9
2009 7.2 +1.3% 33.5 54.3
2008 7.2 +2.0% 33.2 53.6
2007 7.0 +2.5% 32.9 52.9
2006 6.8 +2.9% 32.6 52.3
2005 6.7 +2.6% 32.2 51.6
2004 6.5 +2.0% 32.0 51.0
2003 6.4 +1.8% 31.7 50.4
2002 6.2 +1.5% 31.4 49.7
2001 6.2 +1.7% 31.1 49.1
2000 6.1 +1.8% 30.8 48.4
1999 6.0 +1.9% 30.5 47.8
1998 5.8 +1.9% 30.1 47.2
1997 5.7 +2.1% 29.8 46.5
1996 5.6 +2.2% 29.4 45.8
1995 5.5 +2.8% 29.1 45.1
1994 5.3 +3.3% 28.7 44.5
1993 5.2 +3.4% 28.4 43.8
1992 5.0 +2.9% 28.0 43.5
1991 4.9 +3.0% 27.6 51.7
1990 4.7 27.2 50.8

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

Ranking · Regions of United States

2022 · 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
51 Alaska 0.5
50 Wyoming 2.3
49 Montana 3.0
48 North Dakota 4.4
47 South Dakota 4.6
46 New Mexico 6.7
45 Idaho 9.1
44 Nebraska 9.9
43 Nevada 11.2
42 Kansas 13.9
41 Utah 15.9
40 Oregon 17.1
39 Maine 17.4
38 Colorado 21.8
37 Iowa 22.1
36 Arkansas 22.6
35 Oklahoma 22.6
34 Mississippi 24.2
33 Arizona 25.1
32 Vermont 27.1
31 Minnesota 27.8
30 West Virginia 28.4
29 Missouri 34.6
28 Alabama 38.6
27 Louisiana 40.7
26 Wisconsin 42.0
25 Kentucky 43.9
24 Texas 44.4
23 Washington 45.2
22 New Hampshire 60.1
21 Tennessee 66.2
20 South Carolina 67.8
19 Michigan 68.3
18 Georgia 72.9
17 Indiana 73.7
16 Virginia 84.7
15 North Carolina 84.9
14 Hawaii 86.6
13 Illinois 87.7
12 California 96.9
11 Ohio 111
10 Pennsylvania 112
9 Florida 160
8 New York 161
7 Delaware 202
6 Maryland 245
5 Connecticut 288
4 Massachusetts 346
3 Rhode Island 406
2 New Jersey 484
1 District of Columbia 4,256

Source: OECD Regional Database, 2022

What it means

How crowded a place is: residents per square kilometre.

How it is calculated

Residents divided by land area in square kilometres.