Monmouth, IA ZIP Codes
One ZIP code serves Monmouth, Iowa: 52309. Together they are home to 443 residents in 190 households. That is more than the 121 people counted inside Monmouth city limits, because these ZIP codes reach past its boundary.
Monmouth city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 121 |
| Households | 57 |
| Median household income | $51,875 |
| Median home value | $66,700 |
| Median age | 56.5 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 443 |
| Households (sum of ZIP codes) | 190 |
| Median household income, range across ZIP codes | $56,250 (52309) to $56,250 (52309) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $56,250 |
| Homeowners | 87.9% |
| Households with kids under 18 | 22.1% |
| Moved in the past year | 0.0% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Monmouth
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 52309 | Monmouth | 443 | 190 | $56,250 | $155,400 | 87.9% | 22.1% | 0.0% | — | — | 2% of its land; mailing city |
A ZIP code is listed for Monmouth when at least 10% of its land lies inside Monmouth city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Monmouth. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Monmouth.
Counties
- Jackson County — 14 ZIP codes
Price a mailing to Monmouth ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Monmouth, IA?
- 52309. A ZIP code is listed for Monmouth when at least 10% of its land lies inside Monmouth city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Monmouth.
- What is the population of Monmouth, IA?
- The Census Bureau counts 121 residents inside Monmouth city limits (ACS 2020–2024). The 1 ZIP code that serve Monmouth hold 443 residents in all.
- What is the median household income in Monmouth, IA?
- $51,875 inside Monmouth city limits, per the Census Bureau. Across its ZIP codes the medians run from $56,250 to $56,250.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.