Union, IA ZIP Codes
One ZIP code serves Union, Iowa: 50258. Together they are home to 958 residents in 405 households. That is more than the 378 people counted inside Union city limits, because these ZIP codes reach past its boundary.
Union city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 378 |
| Households | 197 |
| Median household income | $55,625 |
| Median home value | $74,600 |
| Median age | 51.1 |
| Median rent | $875 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 958 |
| Households (sum of ZIP codes) | 405 |
| Median household income, range across ZIP codes | $83,988 (50258) to $83,988 (50258) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $83,988 |
| Homeowners | 81.7% |
| Households with kids under 18 | 27.7% |
| Moved in the past year | 3.3% |
| Carrier routes in EDDM2GO's route library | 1 routes, 211 homes (1 of 1 ZIP codes) |
Every ZIP code in Union
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50258 | Union | 958 | 405 | $83,988 | $109,800 | 81.7% | 27.7% | 3.3% | 1 | 217 | 1% of its land; mailing city |
A ZIP code is listed for Union when at least 10% of its land lies inside Union city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Union. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Union.
Counties
- Hardin County — 12 ZIP codes
Price a mailing to Union ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Union, IA?
- 50258. A ZIP code is listed for Union when at least 10% of its land lies inside Union city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Union.
- What is the population of Union, IA?
- The Census Bureau counts 378 residents inside Union city limits (ACS 2020–2024). The 1 ZIP code that serve Union hold 958 residents in all.
- What is the median household income in Union, IA?
- $55,625 inside Union city limits, per the Census Bureau. Across its ZIP codes the medians run from $83,988 to $83,988.
- How many carrier routes and mailboxes are in Union, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 211 residential and 6 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.