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Where am ILOCATED

Gem County, Idaho

Gem County, Idaho, has 21,773 residents (July 2025 estimate). Its county seat is Emmett. It uses Mountain Time and covers 560 sq mi (1,450 km²) of land.

Boise CityNampa
Gem County in Idaho
Boise CountyPayette CountyWashington CountyEmmettLetha
Gem County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
21,773
Land area
560 sq mi (1,450 km²)
County seat or government
Emmett
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$64,605 ± $6,592
Median home value
$428,700 ± $33,169
Median rent, with utilities
$1,038 ± $89
Homes lived in by their owners
76% ± 3.3 points
County type
County
Metro or micro area
Boise City, ID metro areaOutlying county
Water area
4.82 sq mi (12.5 km²)
State
Idaho
County code (FIPS)
16045
Coordinates (central point)
44.061473, -116.398784
Open this point in the location finder

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 Gem County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/BoiseUTC-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. 8360735,491 people
  2. 8361635,413 people
  3. 8361719,058 people
  4. 836291,749 people
  5. 83670752 people
  6. 83657156 people
  7. 83636109 people

7 ZIP Code areas overlap Gem 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

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Gem County, largest first

  1. Emmett Independent School District 22120,614 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. Emmett, Idaho (city)8,275 people
  2. Letha, Idaho (CDP)109 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Payette County, Idaho18 mi west
  2. Washington County, Idaho33 mi northwest
  3. Canyon County, Idaho34 mi southwest
  4. Boise County, Idaho34 mi east
  5. Ada County, Idaho43 mi south
  6. Adams County, Idaho56 mi north
  7. Valley County, Idaho67 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.