Fairfield, IA · standard
ZIP Code 52557
Jefferson County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 85
- 732/sq mi High-density area
- 83.6%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Fairfield has 85 residents, placing it among the least populous of the 33,099 US ZIP codes with a reported population, at 732 people per square mile.
Source: USPS ZIP record + U.S. Census Bureau ZIP population. Rank compares ZIP 52557 against every US ZIP with a reported population; income/home-value percentiles are not available for this ZIP.
ZIP code 52557 is a sparsely populated ZIP (a standard USPS delivery area) in Fairfield, Jefferson County, Iowa, home to just 85 residents across 0.1 square miles, a density of 732 people per square mile, in the Chicago time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 52557, Fairfield, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
85
Population
0.1
Area (sq mi)
732
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 52557?
25.1
Median Age
78.7%
Male
21.3%
Female
59.1%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$5,801
Per Capita Income
17.7%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
0
Total Housing Units
0
Occupied Units
0
Vacant Units
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 7 business establishments in ZIP 52557, employing approximately 1,102 people with a combined annual payroll of $49,620,000.
7
Businesses
1,102
Employees
$49.6M
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 52557 vs 52556 →
Related Areas
Frequently Asked Questions
What county is ZIP code 52557 in?
ZIP code 52557 (Fairfield) is located in Jefferson County, Iowa. Jefferson County contains multiple ZIP codes, see the full list at /counties/jefferson-ia.
What is the population of ZIP code 52557?
ZIP code 52557 in Fairfield, IA has a population of 85 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 52557's numbers, next.
- See how ZIP 52557 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Fairfield, IA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.