Gem County, ID: Cities, ZIP Codes & Population
Gem County is a county-level area in Idaho identified by the FIPS code 16045. Our data lists 1 place in it, led by Emmett, ID, with combined estimates of about 9,889 people across those places. This page shows its cities, ZIP codes, time zone and neighboring counties.
What are the key facts about Gem County?
| County | Gem County |
|---|---|
| State | Idaho |
| FIPS code | 16045 |
| Places in our data | 1 |
| Places with a city page | 1 |
| Combined place estimates | 9,889 |
| Largest place | Emmett, ID (9,889) |
| Rank in state | 19th of 44 counties by combined place population |
| Weighted density | 2,510 per sq mi |
| Time zone | Mountain time |
| ZIP codes | 1 |
Which cities and towns are in Gem County?
Gem County has 1 place large enough for a full page on this site. They are ranked below by estimated population, together with whether each is incorporated, its density in people per square mile and the number of ZIP codes it uses. Emmett, ID is the largest.
| Place | Type | Population | Per sq mi | ZIPs |
|---|---|---|---|---|
| Emmett, ID | Incorporated | 9,889 | 2,510 | 1 |
How large is Gem County compared with other counties in Idaho?
Adding up the estimates for the places in our data gives 9,889 people, which ranks Gem County 19th among 44 counties in Idaho. The average listed place has about 9,889 residents. The weighted density is about 2,510 people per square mile, which is suburban by our scale. These totals add up place estimates, so they can differ from the official county population, which includes people outside any listed place. See why population figures differ.
What ZIP codes are in Gem County?
The places in Gem County use 1 ZIP code: 83617. Every code begins with 8, which is assigned to the Mountain West (Arizona, Colorado, Idaho, Nevada, New Mexico, Utah and Wyoming). A ZIP code can cross county lines, so a code listed here may also serve addresses in a neighboring county. Use the ZIP code lookup to check a single code, or read how ZIP codes work.
Which counties are near Gem County?
The closest counties by distance between the average locations of their places are listed below. The distance is a rough guide to how close the areas are, because county shapes vary widely.
- Ada County, ID — about 17 miles southeast (center to center), 581,194 people in listed places
- Canyon County, ID — about 19 miles southwest (center to center), 257,427 people in listed places
- Payette County, ID — about 23 miles northwest (center to center), 14,707 people in listed places
- Boise County, ID — about 27 miles east (center to center), 3,305 people in listed places
- Owyhee County, ID — about 37 miles south (center to center), 4,670 people in listed places
- Malheur County, OR — about 40 miles west (center to center), 30,745 people in listed places
What does the FIPS code 16045 mean?
The first two digits, 16, identify Idaho, and the last three, 045, identify Gem County inside that state. Government datasets use this code to join records without confusing counties that share a name. Our guide to counties and FIPS codes explains the numbering, and the Idaho hub lists every county we cover in the state.
Where to go next
Combined place populations are estimates from a compiled dataset and are not official county totals.