Ionia, IA ZIP Codes
One ZIP code serves Ionia, Iowa: 50645. Together they are home to 1,193 residents in 571 households. That is more than the 336 people counted inside Ionia city limits, because these ZIP codes reach past its boundary.
Ionia city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 336 |
| Households | 145 |
| Median household income | $73,945 |
| Median home value | $95,700 |
| Median age | 27.9 |
| Median rent | $533 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 1,193 |
| Households (sum of ZIP codes) | 571 |
| Median household income, range across ZIP codes | $64,408 (50645) to $64,408 (50645) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $64,408 |
| Homeowners | 90.2% |
| Households with kids under 18 | 17.2% |
| Moved in the past year | 7.7% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Ionia
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50645 | Ionia | 1,193 | 571 | $64,408 | $114,600 | 90.2% | 17.2% | 7.7% | — | — | 1% of its land; mailing city |
A ZIP code is listed for Ionia when at least 10% of its land lies inside Ionia city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ionia. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Ionia.
Counties
- Chickasaw County — 7 ZIP codes
Price a mailing to Ionia ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Ionia, IA?
- 50645. A ZIP code is listed for Ionia when at least 10% of its land lies inside Ionia city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ionia.
- What is the population of Ionia, IA?
- The Census Bureau counts 336 residents inside Ionia city limits (ACS 2020–2024). The 1 ZIP code that serve Ionia hold 1,193 residents in all.
- What is the median household income in Ionia, IA?
- $73,945 inside Ionia city limits, per the Census Bureau. Across its ZIP codes the medians run from $64,408 to $64,408.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.