Colfax, IA ZIP Codes
One ZIP code serves Colfax, Iowa: 50054. Together they are home to 3,166 residents in 1,189 households. That is more than the 2,210 people counted inside Colfax city limits, because these ZIP codes reach past its boundary.
Colfax city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 2,210 |
| Households | 846 |
| Median household income | $79,318 |
| Median home value | $178,000 |
| Median age | 33.1 |
| Median rent | $789 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 3,166 |
| Households (sum of ZIP codes) | 1,189 |
| Median household income, range across ZIP codes | $89,940 (50054) to $89,940 (50054) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $89,940 |
| Homeowners | 75.9% |
| Households with kids under 18 | 38.9% |
| Moved in the past year | 13.0% |
| Carrier routes in EDDM2GO's route library | 5 routes, 1,401 homes (1 of 1 ZIP codes) |
Every ZIP code in Colfax
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50054 | Colfax | 3,166 | 1,189 | $89,940 | $211,500 | 75.9% | 38.9% | 13.0% | 5 | 1,475 | 4% of its land; mailing city |
A ZIP code is listed for Colfax when at least 10% of its land lies inside Colfax city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Colfax. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Colfax.
Counties
- Jasper County — 19 ZIP codes
Price a mailing to Colfax ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Colfax, IA?
- 50054. A ZIP code is listed for Colfax when at least 10% of its land lies inside Colfax city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Colfax.
- What is the population of Colfax, IA?
- The Census Bureau counts 2,210 residents inside Colfax city limits (ACS 2020–2024). The 1 ZIP code that serve Colfax hold 3,166 residents in all.
- What is the median household income in Colfax, IA?
- $79,318 inside Colfax city limits, per the Census Bureau. Across its ZIP codes the medians run from $89,940 to $89,940.
- How many carrier routes and mailboxes are in Colfax, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 5 carrier routes reaching 1,401 residential and 74 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.