Bordering states
Arizona vs Utah
Short answer
- AZ
- 7,582,384
- UT
- 3,503,613
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.
Arizona
Utah
- < 3
- < 9
- < 17
- < 41
- ≥ 41
Side by side
| Measure | Arizona | Utah |
|---|---|---|
| Residents, 2024 | 7,582,384 | 3,503,613 |
| Rank by population | 14th | 30th |
| Land, sq mi | 113,655 | 82,596 |
| People per sq mi | 66.7 | 42.4 |
| County-equivalents | 15 | 29 |
| Median county residents | 125,773 | 20,803 |
| Median county income | $61,225 | $75,024 |
| Most populous county | Maricopa County | Salt Lake County |
| Largest county by land | Coconino County | San Juan County |
| Capital | Phoenix | Salt Lake City |
| Daylight at capital, June 21 | 14 h 22 min | 15 h 06 min |
| Census division | Mountain | Mountain |
Population and density
Arizona has 7,582,384 residents, 2.2 times Utah's 3,503,613. Arizona ranks 14th and Utah 30th of the 50 states and DC. Arizona is the more crowded, with 66.7 people per square mile against 42.4, 57% more.
Land area
Arizona has 113,655 square miles of land, 38% more than Utah's 82,596. The largest county-equivalent in Arizona is Coconino County at 18,616 square miles; in Utah it is San Juan County at 7,824.
Counties
Utah is divided into 29 county-equivalents and Arizona into 15, so an average Utah county covers 2,848 square miles against 7,577. The typical county in Arizona has 125,773 residents, against 20,803 in Utah. The most populous are Maricopa County (4,673,096) and Salt Lake County (1,216,274).
No county name appears in both states, so a county name alone is enough to tell which state a row belongs to.
Household income
The median county in Utah has a household income of $75,024, 23% above Arizona's $61,225. The highest county incomes are Maricopa County ($86,973) in Arizona and Summit County ($139,848) in Utah, from SAIPE 2023.
Capitals and daylight
Phoenix and Salt Lake City are 506 miles apart in a straight line; from Phoenix the initial bearing is 1°, N. On June 21, 2026, Phoenix gets 14 h 22 min of daylight and Salt Lake City 15 h 06 min; on December 21 the figures are 9 h 56 min and 9 h 15 min. Month by month tables are on the Phoenix and Salt Lake City daylight pages.
Where they sit
Both are in the Census Mountain division of the West region. By county internal points, Arizona spans 2 UTM zones and Utah 1.
Questions people ask
Which is bigger, Arizona or Utah?
Arizona, with 113,655 square miles of land against 82,596, 1.38 times as large.
Which has more people, Arizona or Utah?
Arizona has 7,582,384 residents, 2.2 times Utah's 3,503,613.
How far is Phoenix from Salt Lake City?
506 miles in a straight line, heading N (1°) from Phoenix.
Do Arizona and Utah have counties with the same name?
No. None of their county-level units share a name.
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.