Clark County, ID ZIP Codes
4 ZIP codes cover all or part of Clark County, Idaho: 83423, 83435, 83464 and 83446. The Census Bureau counts 849 residents in the county, with a median household income of $55,208 and a median home value of $216,900. Median household income ranges from $40,625 in 83464 to $74,688 in 83446. Its largest communities include Dubois and Spencer.
Clark County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 849 |
| Households | 279 |
| Median household income | $55,208 |
| Median home value | $216,900 |
| Median age | 31.1 |
| Median rent | $773 |
All 4 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,649 |
| Households (sum of ZIP codes) | 586 |
| Median household income, range across ZIP codes | $40,625 (83464) to $74,688 (83446) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $58,602 |
| Homeowners | 64.3% |
| Households with kids under 18 | 30.2% |
| Moved in the past year | 10.4% |
| Carrier routes in EDDM2GO's route library | 3 routes, 88 homes (2 of 4 ZIP codes) |
Every ZIP code in Clark County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 83423 | Dubois | 729 | 249 | $53,472 | $211,800 | 59.4% | 32.1% | 12.0% | — | — | 100% of its land |
| 83435 | Monteview | 600 | 205 | $73,750 | $221,000 | 57.1% | 37.1% | 9.1% | — | — | 19% of its land |
| 83464 | Leadore | 296 | 116 | $40,625 | $216,200 | 83.6% | 18.1% | 8.8% | 2 | 72 | 11% of its land |
| 83446 | Spencer | 24 | 16 | $74,688 | — | 93.8% | 0.0% | 16.7% | 1 | 18 | 100% of its land |
A ZIP code is listed for Clark 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 Clark County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Clark County, ID?
- 83423, 83435, 83464 and 83446. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Clark County?
- 849 residents in 279 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Clark County?
- $55,208 for the county as a whole. Its ZIP codes range from $40,625 (83464) to $74,688 (83446).
- How many carrier routes and mailboxes are in Clark County?
- For the 2 of 4 ZIP codes in EDDM2GO's stored route library: 3 carrier routes reaching 88 residential and 2 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.