County ZIP codes · Iowa · FIPS 19139
Muscatine County, IA ZIP Codes
Muscatine County, Iowa has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 9 of the residential ones lie mainly in Muscatine County and 5 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $62,098 in 52761 (Muscatine) to $104,250 in 52726 (Blue Grass) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Muscatine County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $79,665 and $103,424.
They carry 14 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 14 residential ZIP codes in Muscatine County
9 ZIP codes lie mainly in Muscatine County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 52761 | Muscatine | 29,474 | 165 | $62k | $171k | 91% |
| 52776 | West Liberty | 5,090 | 58 | $80k | $204k | 62% |
| 52747 | Durant | 2,160 | 72 | $82k | $198k | 45% |
| 52754 | Letts | 1,533 | 21 | $104k | $194k | 53% |
| 52749 | Fruitland | 1,049 | 490 | $103k | $218k | 100% |
| 52760 | Moscow | 992 | 45 | $86k | $143k | 59% |
| 52720 | Atalissa | 964 | 23 | $74k | $276k | 62% |
| 52766 | Nichols | 677 | 14 | $62k | $128k | 94% |
| 52759 | Montpelier | 167 | 711 | $71k | $257k | 100% |
Partly in Muscatine County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 52769 | Stockton | 698 | 17 | $89k | $333k | 49% |
| 52726 | Blue Grass | 5,160 | 157 | $104k | $276k | 45% |
| 52739 | Conesville | 788 | 24 | $74k | $98k | 44% |
| 52778 | Wilton | 3,632 | 48 | $83k | $202k | 40% |
| 52773 | Walcott | 2,389 | 43 | $86k | $214k | 4% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
12 ZIP codes of Muscatine County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Muscatine | Elsewhere |
|---|---|---|
| 52761 | 91% | Louisa County 9% |
| 52726 | 45% | Scott County 55% |
| 52776 | 62% | Cedar County 34%; Johnson County 3% |
| 52778 | 40% | Cedar County 60% |
| 52773 | 4% | Scott County 96% |
| 52747 | 45% | Cedar County 36%; Scott County 18% |
| 52754 | 53% | Louisa County 47% |
| 52760 | 59% | Cedar County 41% |
| 52720 | 62% | Cedar County 38% |
| 52739 | 44% | Louisa County 56% |
| 52769 | 49% | Scott County 51% |
| 52766 | 94% | Johnson County 6% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Muscatine County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Muscatine County starts with 527.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 527 | Quad Cities, IL (SCF 612) | 14 | 47 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.