US ZIP Code
52557

Fairfield, IA

Jefferson County  ·  Iowa

● Active
👥 615 Population ↑ 832% since 2019
🎂 26.3 Median Age ↓ 21% since 2019
🎓 80.7% College Grads
▲ 108% above avg
📊 20.5% Unemployment
▲ 320% above avg
ZIP Code Details
ZIP Code52557
CityFairfield
StateIowa (IA)
CountyJefferson County
Area Code641
Elevation756 ft
Latitude41.020067
Longitude-91.966364
TimezoneChicago (DST)
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 86.2% (530) Female 13.8% (85) ♀

Race & Ethnicity

White: 48.1%Hispanic: 5.7%Black: 22.3%Asian: 18.7%Other: 5.2%Race
White48.1%
Hispanic5.7%
Black22.3%
Asian18.7%
Other5.2%

Age Breakdown

18–24
35%
25–44
65%

Key Indicators

Median Age26.3 yrs ↓ 21% since 2019
Avg Household Size-99.99
Below Poverty0.0% ▼ 100% below avg
College Grads80.7% ▲ 108% above avg
Unemployment20.5% ▲ 320% above avg
Some College32 (8%)
Associates45 (11.3%)
Graduate Degree322 (80.7%)

Education

Some College: 8%Associates: 11.3%Graduate: 80.7%Edu
Some College8.0%
Associates11.3%
Graduate80.7%
Housing & Income

Financials

Avg HH Size-99.99
Employment & Commute

How People Get to Work

Drove Alone
31%
Public Transit
0%
Walked
31%
Work From Home
38%

Commute Time

Under 15 min
61%
15–30 min
39%
30–45 min
1%
Frequently Asked Questions
ZIP code 52557 is in Fairfield, IA, in Jefferson County.
ZIP code 52557 is located in Iowa (IA).
ZIP code 52557 is in Jefferson County, IA.
ZIP 52557 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 52557 is 615 people (ACS 2023).
Income data not available.
Home value data not available.
About ZIP Code 52557

ZIP code 52557 is located in Fairfield, Iowa, within Jefferson County. With a population of 615, this is a sparsely populated ZIP code with a young community — the median age is 26.3 years.

The population of 52557 is racially diverse, with White as the largest group at 48.1%. Residents are highly educated — 80.7% hold a bachelor's degree or higher, which is more than double the national average.

The unemployment rate in 52557 stands at 20.5%, which is more than double the national average. A notably high share of workers — 38% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 31%.

Overall, ZIP code 52557 in Fairfield, IA is characterized as highly educated, and a young community.