Keswick, IA ZIP Codes
One ZIP code serves Keswick, Iowa: 50136. Together they are home to 376 residents in 145 households. That is more than the 255 people counted inside Keswick city limits, because these ZIP codes reach past its boundary.
Keswick city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 255 |
| Households | 93 |
| Median household income | $63,750 |
| Median home value | $89,200 |
| Median age | 46.2 |
| Median rent | $1,083 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 376 |
| Households (sum of ZIP codes) | 145 |
| Median household income, range across ZIP codes | $75,625 (50136) to $75,625 (50136) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $75,625 |
| Homeowners | 89.0% |
| Households with kids under 18 | 23.4% |
| Moved in the past year | 3.2% |
| Carrier routes in EDDM2GO's route library | 1 routes, 182 homes (1 of 1 ZIP codes) |
Every ZIP code in Keswick
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50136 | Keswick | 376 | 145 | $75,625 | $97,800 | 89.0% | 23.4% | 3.2% | 1 | 189 | 1% of its land; mailing city |
A ZIP code is listed for Keswick when at least 10% of its land lies inside Keswick city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Keswick. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Keswick.
Counties
- Keokuk County — 17 ZIP codes
Price a mailing to Keswick ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Keswick, IA?
- 50136. A ZIP code is listed for Keswick when at least 10% of its land lies inside Keswick city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Keswick.
- What is the population of Keswick, IA?
- The Census Bureau counts 255 residents inside Keswick city limits (ACS 2020–2024). The 1 ZIP code that serve Keswick hold 376 residents in all.
- What is the median household income in Keswick, IA?
- $63,750 inside Keswick city limits, per the Census Bureau. Across its ZIP codes the medians run from $75,625 to $75,625.
- How many carrier routes and mailboxes are in Keswick, IA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 1 carrier routes reaching 182 residential and 7 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.