Gem County, ID ZIP Codes
5 ZIP codes cover all or part of Gem County, Idaho: 83616, 83617, 83670, 83657 and 83636. The Census Bureau counts 20,614 residents in the county, with a median household income of $64,605 and a median home value of $428,700. Median household income ranges from $65,291 in 83617 to $125,203 in 83616. Its largest communities include Emmett and Letha.
Gem County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 20,614 |
| Households | 7,643 |
| Median household income | $64,605 |
| Median home value | $428,700 |
| Median age | 44.2 |
| Median rent | $1,038 |
All 5 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 55,488 |
| Households (sum of ZIP codes) | 20,976 |
| Median household income, range across ZIP codes | $65,291 (83617) to $125,203 (83616) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $104,801 |
| Homeowners | 81.3% |
| Households with kids under 18 | 31.1% |
| Moved in the past year | 15.3% |
| Carrier routes in EDDM2GO's route library | 27 routes, 16,253 homes (3 of 5 ZIP codes) |
Top facts
- Highest median household income in Gem County: 83616 ($125,203)
- Most residents: 83616 (35,413 people)
- Highest homeownership: 83616 (84.5% own their home)
- Most households with kids: 83616 (32.2% of households)
- Most new movers: 83616 (16.6% moved in last year)
- Youngest median age: 83617 (42.8 years)
- Highest median home value: 83616 ($798,800)
Every ZIP code in Gem County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 83616 | Eagle | 35,413 | 13,556 | $125,203 | $798,800 | 84.5% | 32.2% | 16.6% | 24 | 16,861 | 36% of its land |
| 83617 | Emmett | 19,058 | 7,000 | $65,291 | $429,100 | 75.1% | 30.4% | 13.6% | — | — | 100% of its land |
| 83670 | Sweet | 752 | 273 | $91,685 | $506,300 | 86.1% | 13.2% | 4.8% | 2 | 220 | 69% of its land |
| 83657 | Ola | 156 | 103 | $51,183 | $606,000 | 88.3% | 0.0% | 0.0% | — | — | 98% of its land |
| 83636 | Letha | 109 | 44 | $85,761 | — | 52.3% | 0.0% | 0.0% | 1 | 70 | 100% of its land |
A ZIP code is listed for Gem County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
Price a mailing to Gem County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Gem County, ID?
- 83616, 83617, 83670, 83657 and 83636. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Gem County?
- 20,614 residents in 7,643 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Gem County?
- $64,605 for the county as a whole. Its ZIP codes range from $65,291 (83617) to $125,203 (83616).
- Which Gem County ZIP code has the highest median household income?
- 83616, at $125,203, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Gem County?
- For the 3 of 5 ZIP codes in EDDM2GO's stored route library: 27 carrier routes reaching 16,253 residential and 895 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.