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People Statistics · Region

Idaho: population density

1990 – 2025 · 36 data points 45 of 51 · Regions of United States Updated Oct 22, 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

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

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.