County outline
Where Wasatch County is located
Area breakdown
Land accounts for 97.5% of Wasatch County’s measured area and water for 2.5%. Its combined area converts to 3,127.4 square kilometers or approximately 772,797 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 1,176.952 | 3,048.292 | 753,249.3 |
| Water | 30.544 | 79.109 | 19,548.2 |
| Total | 1,207.496 | 3,127.4 | 772,797.4 |
How Wasatch County compares
By original Census land area, Wasatch County ranks #21 of 29 in Utah and #521 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.485 times the Utah county-equivalent median of 2,427.6 square miles. It accounts for 1.4% of the combined county land area in the state.
See the complete Utah ranking · What counts as a county equivalent?
Population and density of Wasatch County
The Census Bureau estimates that 38,514 people lived in Wasatch County on July 1, 2025. That ranks #1,246 of 3,222 county equivalents nationally and #11 of 29 in Utah. Since the April 1, 2020 estimates base of 34,785, the population has grown by 3,729 (+10.7%), compared with +8.2% for Utah as a whole.
With 1,177 square miles of land, that is 33 people per square mile (13 per km²), placing Wasatch County #1,924 nationally for density and #7 in Utah. The median county equivalent has 47 people per square mile; the Utah median is 11. Put another way, there are about 20 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 35,061 | 36,242 | 36,671 | 37,269 | 37,849 | 38,514 |
| Change | — | +1,181 | +429 | +598 | +580 | +665 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Wasatch County
9 incorporated places lie at least partly in Wasatch County. Together they are home to 29,040 people (75.4%); the other 9,474 (24.6%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Heber city, with 19,651 residents in the county. By land, Independence town is the largest at 30.6 mi². Among places with at least 1,000 residents in 2020, Heber city grew fastest since then (+16.1%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Heber city | 19,651 | +16.1% | 25 |
| Midway city | 6,011 | +0.3% | 6.176 |
| Hideout townAlso in 1 other county | 1,587 | +72.1% | 4.122 |
| Daniel town | 816 | −10.6% | 3.301 |
| Charleston town | 402 | −7.4% | 3.148 |
| Wallsburg town | 309 | +5.1% | 0.624 |
| Interlaken town | 148 | −15.4% | 0.227 |
| Independence town | 102 | −15.7% | 30.6 |
| Park City cityAlso in 1 other county | 14 | −6.7% | 22.3 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Wasatch County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Wasatch County is an outlying county of the Heber, UT Micropolitan Statistical Area. Its 2 county equivalents have 81,655 residents on 3,047.6 square miles of land; Wasatch County accounts for 38.6% of the land and 47.2% of the residents. By combined land it ranks #50 of 542 micropolitan areas, and #69 by population. It belongs to the Salt Lake City-Provo-Orem, UT-ID Combined Statistical Area.
| County equivalent | Population 2025 | Land mi² |
|---|---|---|
| Summit County | 43,141 | 1,870.7 |
| Wasatch County | 38,514 | 1,177 |
ZIP codes
6 ZIP Code Tabulation Areas have land in Wasatch County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.
840328403684049840608408284604
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Wasatch County
Wasatch County shares a land border with 4 county equivalents. It has more land than 1 of them. The largest neighbor is Duchesne County (3,235.5 mi²) and the smallest is Salt Lake County (752.7 mi²). Together with its neighbors, Wasatch County forms a block of 9,040.3 mi² of land, of which it holds 13%.
| Bordering county equivalent | Land mi² | Size vs. Wasatch | Compare |
|---|---|---|---|
| Duchesne County | 3,235.5 | 2.7× larger | Compare |
| Utah County | 2,004.5 | 1.7× larger | Compare |
| Summit County | 1,870.7 | 1.6× larger | Compare |
| Salt Lake County | 752.7 | 1.6× smaller | Compare |
How big is Wasatch County compared with U.S. states?
Wasatch County has more land than 1 of the 50 states. It is about 1.1 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.7 times as much land (1,948.6 mi²). Utah’s county land could hold about 70 areas the size of Wasatch County.
Another way to picture it: the same land area would fill a square about 34.3 miles (55.2 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Wasatch County?
Wasatch County has more land than 2,701 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Wasatch County at #588 nationally by total area, 67 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 2.5%, compared with a national county-equivalent median of 1.2% — 1.4 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Wasatch County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #520 | Texas County, Missouri | 1,177.3 | Compare |
| #521 | Wasatch County, Utah | 1,177 | This county |
| #522 | Reagan County, Texas | 1,175.3 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 40.334884, -111.161568. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 3,048,291,105 m²; AWATER: 79,107,622 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Wasatch County?
Wasatch County, Utah has 1,177 square miles (3,048.3 km²) of land and 30.5 square miles of water, for a total area of 1,207.5 square miles. It ranks #521 of 3,222 U.S. county equivalents by land area.
Is Wasatch County the largest county in Utah?
No. Wasatch County ranks #21 of 29 in Utah by land area. The largest is San Juan County, with 7,823.7 square miles of land.
What counties border Wasatch County?
Wasatch County shares a land border with Utah County, Duchesne County, Summit County, and Salt Lake County.
What is the population of Wasatch County?
The Census Bureau estimates Wasatch County had 38,514 residents on July 1, 2025, ranking #1,246 of 3,222 county equivalents. That is 33 people per square mile of land.
What is the county seat of Wasatch County?
The county seat of Wasatch County is Heber City.
What cities and towns are in Wasatch County?
Wasatch County has 9 incorporated places. The most populous five are Heber city, Midway city, Hideout town, Daniel town, and Charleston town; 9,474 residents live outside any incorporated place.
Is Wasatch County part of a metropolitan area?
Yes. It is an outlying county of the Heber, UT Micropolitan Statistical Area, which has 2 county equivalents and 81,655 residents.
How many ZIP codes are in Wasatch County?
6 ZIP Code Tabulation Areas have land in Wasatch County, and 3 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Wasatch County compare with U.S. states?
It has more land than 1 of the 50 states, including Rhode Island (1,033.9 square miles of land).
How many acres of land are in Wasatch County?
The land measurement converts to approximately 753,249 acres. Including water, total area is approximately 772,797 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.