Summit County, Utah
Summit County: county in northern Utah, United States
About
Summit County is a county located in the U.S. state of Utah. As of the 2010 census, the population was 36,324 and a population density of 7 people per km². After 10 years in 2020 county had an estimated population of 42,499 inhabitants. Its county seat is Coalville. The county was created 172 years ago in 1853.
County Snapshot
Summit County at a glance
Summit County currently has 7 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
7
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Utah counties
29
Open related pagesLargest city
Park CityPopulation 8,526
Top linked places
Quick Facts about Summit County
| Population | 42,499 (2020) |
| Country | United States of America |
| State | Utah (United States) |
| Different from | Summit County, Summit County |
| Area | 4874 km2 |
| Water as percent of area | 0.5% |
| Land as percent of area | 99.5% |
| Latitude & Longitude | 40.8682,-110.9557 |
| Capital | Coalville |
| Establishment | January 01, 1854 |
| Time Zone | America/Denver |
| Local time | 02:17:52 (16th April 2026) |
| Density | 9 Pop. per km² as of 2020 |
| Population growth | 14.53% (2010-2020) |
| Weather | 28℉ Chance Snow Showers 7-days weather |
Geography
Summit County is located at 40°52'5"N 110°57'20"W (40.8681500, -110.9556700). It has 8 neighbors: Daggett County, Duchesne County, Morgan County, Rich County, Salt Lake County, Wasatch County, Sweetwater County and Uinta County.
Summit County map
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The largest city of Summit County is Park City with a population of 8,526. Other cities include, Kamas population 2,344, Oakley population 1,763, Francis population 1,611 and Coalville population 1,601. See all Summit County cities & populated places.
Summit County Populated Places
Cities, towns, neighborhoods & other populated places in Summit County.
| City Name | Population | Title |
|---|---|---|
| Park City | 8,526 | City in Summit County, Utah, United States |
| Summit Park | 7,775 | Census-designated place in Summit County, Utah, United States |
| Kamas | 2,344 | City in Summit County, Utah, United States |
| Oakley | 1,763 | City in Summit County, Utah, United a |
| Francis | 1,611 | Town in Summit County, Utah, United States |
| Coalville | 1,601 | City in and the county seat of Summit County, Utah, United States |
| Henefer | 990 | Town in Summit County, Utah, United States |
Weather
A chance of snow showers. Mostly cloudy. Low around 28, with temperatures rising to around 31 overnight. Southwest wind around 22 mph. Chance of preci...
7-Day ForecastOfficial website of Summit County
Official WebsiteDemographics
The population of Summit County increased by 14.53% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 36,324 | - | census |
| 2011 | 37,421 | 2.93% | estimation process |
| 2012 | 37,864 | 1.17% | estimation process |
| 2013 | 38,420 | 1.45% | estimation process |
| 2014 | 39,113 | 1.77% | estimation process |
| 2015 | 39,640 | 1.33% | estimation process |
| 2016 | 40,512 | 2.15% | estimation process |
| 2017 | 41,330 | 1.98% | estimation process |
| 2018 | 41,890 | 1.34% | estimation process |
| 2019 | 42,145 | 0.61% | estimation process |
| 2020 | 42,499 | 0.83% | estimation process |
Other places with the same name (2)
- Summit County, Ohio county in northern Utah, United States with a population of 538,866 people.
- Summit County, Colorado county in Colorado, United States with a population of 30,631 people.
Utah Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Salt Lake County | 1,165,517 | County in northern Utah, United States |
| Utah County | 651,059 | County in north-central Utah, United States |
| Davis County | 359,232 | County in northern Utah, United States |
| Weber County | 262,658 | County in northern Utah, United States |
| Salt Lake City | 200,567 | The capital of Utah. |
| Washington County | 184,913 | County in southwestern Utah, United States |
| West Valley City | 135,248 | The second most populous city in Utah. |
| Cache County | 130,004 | County in northern Utah, United States |
| West Jordan | 116,530 | The second most populous city in Salt Lake County, Utah. |
| Provo | 116,295 | The second most populous city in Utah. |
| Orem | 98,970 | The second most populous city in Utah County, Utah. |
| Sandy | 94,871 | A city in Salt Lake County, Utah. |
| Saint George | 92,378 | The most populous city in Washington County, Utah. |
| Sandy Hills | 89,575 | A census-designated place in Salt Lake County, Utah. |
| Ogden | 87,387 | The most populous city in Weber County, Utah. |
| Layton | 79,012 | The most populous city in Davis County, Utah. |