Summit County, Utah

Summit County, Utah, has 43,141 residents (July 2025 estimate). Its county seat is Coalville. It uses Mountain Time and covers 1,871 sq mi (4,845 km²) of land.

Salt Lake City
Summit County in Utah
Morgan CountySummit ParkPark CitySnydervilleKamas
Summit County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
43,141
Land area
1,871 sq mi (4,845 km²)
County seat or government
Coalville
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$138,114 ± $7,368
Median home value
$1,067,700 ± $52,708
Median rent, with utilities
$1,987 ± $189
Homes lived in by their owners
80.2% ± 1.7 points
County type
County
Metro or micro area
Heber, UT micro areaCentral county
Water area
10.1 sq mi (26 km²)
State
Utah
County code (FIPS)
49043
Coordinates (central point)
40.872060, -110.968486

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Summit County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/DenverUTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 8409820,357 people
  2. 8293014,435 people
  3. 840369,241 people
  4. 840608,619 people
  5. 840174,417 people
  6. 840551,584 people
  7. 840331,109 people
  8. 84061422 people
  9. 8402483 people

9 ZIP Code areas overlap Summit County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Summit County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Summit County, largest first

  1. Park City School District27,307 people
  2. South Summit School District9,504 people
  3. North Summit School District6,159 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Summit Park, Utah (CDP)8,537 people
  2. Park City, Utah (city)8,362 people
  3. Snyderville, Utah (CDP)5,948 people
  4. East Basin, Utah (CDP)4,002 people
  5. Kamas, Utah (city)2,096 people
  6. Francis, Utah (town)1,989 people
  7. Coalville, Utah (city)1,881 people
  8. Oakley, Utah (city)1,638 people
  9. Silver Summit, Utah (CDP)1,476 people
  10. Hideout, Utah (town)1,253 people
  11. Henefer, Utah (town)1,005 people
  12. Marion, Utah (CDP)830 people
All 18
  1. Hoytsville, Utah (CDP)800 people
  2. Woodland, Utah (CDP)625 people
  3. Peoa, Utah (CDP)203 people
  4. Wanship, Utah (CDP)165 people
  5. Echo, Utah (CDP)83 people
  6. Samak, Utah (CDP)29 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Morgan County, Utah35 mi northwest
  2. Uinta County, Wyoming36 mi northeast
  3. Wasatch County, Utah38 mi south
  4. Duchesne County, Utah49 mi southeast
  5. Salt Lake County, Utah52 mi west
  6. Rich County, Utah54 mi north
  7. Daggett County, Utah76 mi east
  8. Sweetwater County, Wyoming122 mi northeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.