ZIP code 52557: Fairfield, IA
52557 is a ZIP code in Fairfield, Iowa, mainly in Jefferson County. About 685 people live here.
- Population
- 685
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- 25.1
- Homeowners
- —of occupied homes
Shaded: ZIP code 52557's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 52557 details
| City | Fairfield |
|---|---|
| State | Iowa |
| County | Jefferson County |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.3 sq mi |
| Population density | 2,537 people per sq mi |
| Bachelor's degree or higher | 83.6% of adults 25+ |
| Average commute | 12.2 minutes |
| Center coordinates | 41.02007, -91.96636 |
ZIP codes near 52557
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 52556 | Fairfield, IA | 2.0 mi | 11,448 |
| 52567 | Libertyville, IA | 8.2 mi | 506 |
| 52580 | Packwood, IA | 8.7 mi | 711 |
| 52533 | Batavia, IA | 9.4 mi | 1,201 |
| 52535 | Birmingham, IA | 10.9 mi | 725 |
| 52635 | Lockridge, IA | 10.9 mi | 890 |
| 52585 | Richland, IA | 11.7 mi | 838 |
| 52540 | Brighton, IA | 12.0 mi | 1,088 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 52557
What city is ZIP code 52557?
ZIP code 52557 is in Fairfield, IA, in Jefferson County.
What county is ZIP code 52557 in?
52557 is mainly in Jefferson County, Iowa.
What is the population of ZIP code 52557?
About 685 people live in ZIP code 52557, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 52557 in?
52557 is in Central Time (UTC−6). It observes daylight saving time.
What other ZIP codes does Fairfield have?
Fairfield, IA also uses 52556.