Bordering states
Idaho vs Nevada
Short answer
- ID
- 2,001,619
- NV
- 3,267,467
The two states, county by county
Both maps share one density scale, so the same shade means the same number of people per square mile on either side of the border. Darker counties are denser. Select a county to open its page.
Idaho
Nevada
- < 2
- < 5
- < 16
- < 50
- ≥ 50
Side by side
| Measure | Idaho | Nevada |
|---|---|---|
| Residents, 2024 | 2,001,619 | 3,267,467 |
| Rank by population | 38th | 31st |
| Land, sq mi | 82,645 | 109,860 |
| People per sq mi | 24.2 | 29.7 |
| County-equivalents | 44 | 17 |
| Median county residents | 15,019 | 17,116 |
| Median county income | $67,254 | $75,103 |
| Most populous county | Ada County | Clark County |
| Largest county by land | Idaho County | Nye County |
| Capital | Boise | Carson City |
| Daylight at capital, June 21 | 15 h 26 min | 14 h 56 min |
| Census division | Mountain | Mountain |
Population and density
Nevada has 3,267,467 residents, 63% more than Idaho's 2,001,619. Idaho ranks 38th and Nevada 31st of the 50 states and DC. Nevada is the more crowded, with 29.7 people per square mile against 24.2, 23% more.
Land area
Nevada has 109,860 square miles of land, 33% more than Idaho's 82,645. The largest county-equivalent in Idaho is Idaho County at 8,478 square miles; in Nevada it is Nye County at 18,182.
Counties
Idaho is divided into 44 county-equivalents and Nevada into 17, so an average Idaho county covers 1,878 square miles against 6,462. The typical county in Idaho has 15,019 residents, against 17,116 in Nevada. The most populous are Ada County (535,799) and Clark County (2,398,871).
2 county names appear on both sides of the border: Clark, Lincoln. Use the FIPS code, not the name, when joining data across the two states.
Household income
The median county in Nevada has a household income of $75,103, 12% above Idaho's $67,254. The highest county incomes are Teton County ($94,895) in Idaho and Storey County ($88,684) in Nevada, from SAIPE 2023.
Capitals and daylight
Boise and Carson City are 359 miles apart in a straight line; from Boise the initial bearing is 212°, SSW. On June 21, 2026, Boise gets 15 h 26 min of daylight and Carson City 14 h 56 min; on December 21 the figures are 8 h 56 min and 9 h 25 min. Month by month tables are on the Boise and Carson City daylight pages.
Where they sit
Both are in the Census Mountain division of the West region. By county internal points, Idaho spans 2 UTM zones and Nevada 1.
Questions people ask
Which is bigger, Idaho or Nevada?
Nevada, with 109,860 square miles of land against 82,645, 1.33 times as large.
Which has more people, Idaho or Nevada?
Nevada has 3,267,467 residents, 63% more than Idaho's 2,001,619.
How far is Boise from Carson City?
359 miles in a straight line, heading SSW (212°) from Boise.
Do Idaho and Nevada have counties with the same name?
Yes, 2: Clark, Lincoln.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Bureau regions and divisions of the United States (last verified 2026-09-30)
How every number is computed: methodology. Spotted a wrong figure? Report an error.