Boulder, MT ZIP Codes
One ZIP code serves Boulder, Montana: 59632. Together they are home to 2,557 residents in 989 households. That is more than the 1,284 people counted inside Boulder city limits, because these ZIP codes reach past its boundary.
Boulder city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 1,284 |
| Households | 520 |
| Median household income | $72,500 |
| Median home value | $212,300 |
| Median age | 41.4 |
| Median rent | $928 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 2,557 |
| Households (sum of ZIP codes) | 989 |
| Median household income, range across ZIP codes | $68,750 (59632) to $68,750 (59632) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $68,750 |
| Homeowners | 78.0% |
| Households with kids under 18 | 32.8% |
| Moved in the past year | 18.3% |
| Carrier routes in EDDM2GO's route library | 1 routes, 64 homes (1 of 1 ZIP codes) |
Every ZIP code in Boulder
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 59632 | Boulder | 2,557 | 989 | $68,750 | $278,800 | 78.0% | 32.8% | 18.3% | 1 | 64 | 0% of its land; mailing city |
A ZIP code is listed for Boulder when at least 10% of its land lies inside Boulder city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Boulder. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Boulder.
Counties
- Jefferson County — 9 ZIP codes
Price a mailing to Boulder ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Boulder, MT?
- 59632. A ZIP code is listed for Boulder when at least 10% of its land lies inside Boulder city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Boulder.
- What is the population of Boulder, MT?
- The Census Bureau counts 1,284 residents inside Boulder city limits (ACS 2020–2024). The 1 ZIP code that serve Boulder hold 2,557 residents in all.
- What is the median household income in Boulder, MT?
- $72,500 inside Boulder city limits, per the Census Bureau. Across its ZIP codes the medians run from $68,750 to $68,750.
- How many carrier routes and mailboxes are in Boulder, MT?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 64 residential and 0 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.