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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

2025 · 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
1 District of Columbia 4,363
2 New Jersey 497
3 Rhode Island 412
4 Massachusetts 352
5 Connecticut 294
6 Maryland 248
7 Delaware 209
8 Florida 168
9 New York 164
10 Pennsylvania 113
11 Ohio 112
12 California 97.4
13 North Carolina 88.8
14 Illinois 88.4
15 Virginia 86.6
16 Hawaii 86.1
17 Georgia 75.4
18 Indiana 75.1
19 South Carolina 71.4
20 Michigan 68.8
21 Tennessee 68.5
22 New Hampshire 60.9
23 Texas 46.8
24 Washington 46.4
25 Kentucky 44.8
26 Wisconsin 42.5
27 Louisiana 40.9
28 Alabama 39.5
29 Missouri 35.2
30 West Virginia 28.3
31 Minnesota 28.3
32 Vermont 26.9
33 Arizona 25.9
34 Mississippi 24.3
35 Oklahoma 23.2
36 Arkansas 23.1
37 Colorado 22.4
38 Iowa 22.4
39 Maine 17.7
40 Oregon 17.2
41 Utah 16.6
42 Kansas 14.0
43 Nevada 11.5
44 Nebraska 10.1
45 Idaho 9.5
46 New Mexico 6.8
47 South Dakota 4.8
48 North Dakota 4.5
49 Montana 3.0
50 Wyoming 2.3
51 Alaska 0.5

Source: OECD Regional Database, 2025

What it means

How crowded a place is: residents per square kilometre.

How it is calculated

Residents divided by land area in square kilometres.