Green Mountain, IA ZIP Codes
2 ZIP codes serve Green Mountain, Iowa: 50158 and 50632. Together they are home to 32,597 residents in 12,294 households. That is more than the 87 people counted inside Green Mountain Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $70,367 in 50158 to $71,667 in 50632.
Green Mountain Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 87 |
| Households | 57 |
| Median household income | $36,696 |
| Median home value | $75,000 |
| Median age | 63.6 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 32,597 |
| Households (sum of ZIP codes) | 12,294 |
| Median household income, range across ZIP codes | $70,367 (50158) to $71,667 (50632) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,421 |
| Homeowners | 72.2% |
| Households with kids under 18 | 31.3% |
| Moved in the past year | 9.4% |
| Carrier routes in EDDM2GO's route library | 25 routes, 13,054 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Green Mountain: 50632 ($71,667)
- Most residents: 50158 (31,396 people)
- Highest homeownership: 50632 (86.4% own their home)
- Most households with kids: 50158 (31.4% of households)
- Most new movers: 50158 (9.5% moved in last year)
- Youngest median age: 50158 (37.2 years)
- Highest median home value: 50158 ($140,700)
Every ZIP code in Green Mountain
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50158 | Marshalltown | 31,396 | 11,788 | $70,367 | $140,700 | 71.6% | 31.4% | 9.5% | 23 | 13,320 | 0% of its land |
| 50632 | Garwin | 1,201 | 506 | $71,667 | $132,700 | 86.4% | 27.9% | 6.2% | 2 | 493 | 1% of its land |
A ZIP code is listed for Green Mountain when at least 10% of its land lies inside the Green Mountain Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Green Mountain. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Green Mountain.
Counties
- Tama County — 16 ZIP codes
- Marshall County — 17 ZIP codes
Nearby cities sharing these ZIP codes
- Marshalltown — 1 ZIP code
Price a mailing to Green Mountain ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Green Mountain, IA?
- 50158 and 50632. A ZIP code is listed for Green Mountain when at least 10% of its land lies inside the Green Mountain Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Green Mountain.
- What is the population of Green Mountain, IA?
- The Census Bureau counts 87 residents inside Green Mountain Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Green Mountain hold 32,597 residents in all.
- What is the median household income in Green Mountain, IA?
- $36,696 inside Green Mountain Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $70,367 to $71,667.
- Which Green Mountain ZIP code has the highest median household income?
- 50632, at $71,667, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Green Mountain, IA?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 25 carrier routes reaching 13,054 residential and 756 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.