Carter County, MT ZIP Codes
7 ZIP codes cover all or part of Carter County, Montana: 57717, 59324, 57724, 59311, 59332, 59319 and 59316. The Census Bureau counts 1,308 residents in the county, with a median household income of $54,167 and a median home value of $199,200. Its largest communities include Ekalaka and Alzada.
Carter County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 1,308 |
| Households | 600 |
| Median household income | $54,167 |
| Median home value | $199,200 |
| Median age | 56.9 |
| Median rent | $824 |
All 7 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 10,265 |
| Households (sum of ZIP codes) | 4,261 |
| Median household income, range across ZIP codes | $77,689 (57717) to $77,689 (57717) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,689 |
| Homeowners | 71.7% |
| Households with kids under 18 | 29.0% |
| Moved in the past year | 8.2% |
| Carrier routes in EDDM2GO's route library | 8 routes, 169 homes (4 of 7 ZIP codes) |
Every ZIP code in Carter County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 57717 | Belle Fourche | 8,983 | 3,647 | $77,689 | $249,200 | 73.2% | 31.6% | 8.5% | — | — | 10% of its land |
| 59324 | Ekalaka | 777 | 343 | $57,188 | $176,000 | 70.3% | 21.0% | 5.4% | 3 | 81 | 100% of its land |
| 57724 | Camp Crook | 167 | 92 | $61,146 | — | 58.7% | 4.3% | 6.7% | 3 | 47 | 37% of its land |
| 59311 | Alzada | 143 | 74 | $88,021 | — | 66.2% | 0.0% | 5.6% | — | — | 100% of its land |
| 59332 | Carter County | 140 | 72 | $32,241 | — | 29.2% | 11.1% | 8.1% | 1 | 39 | 100% of its land |
| 59319 | Carter County | 40 | 22 | — | — | 40.9% | 0.0% | 0.0% | — | — | 100% of its land |
| 59316 | Powder River County | 15 | 11 | $48,750 | — | 100.0% | 0.0% | 20.0% | 1 | 5 | 30% of its land |
A ZIP code is listed for Carter 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 Carter County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Carter County, MT?
- 57717, 59324, 57724, 59311, 59332, 59319 and 59316. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Carter County?
- 1,308 residents in 600 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Carter County?
- $54,167 for the county as a whole. Its ZIP codes range from $77,689 (57717) to $77,689 (57717).
- How many carrier routes and mailboxes are in Carter County?
- For the 4 of 7 ZIP codes in EDDM2GO's stored route library: 8 carrier routes reaching 169 residential and 3 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.